Answer:
Muscular, and aerobic
Explanation:
the answer is bat and person
1.) The severity of a tropical storm is related to the depressed atmospheric pressure at its center. In August 1985, Typhoon Odessa in the Pacific Ocean featured maximum winds of about 90 mi/hr and pressure that was 40.0 mbar lower at the center than normal atmospheric pressure. In contrast, the central pressure of Hurricane Andrew (pictured) was 90.0 mbar lower than its surroundings when it hit south Florida with winds as high as 165 mi/hr.
If a small weather balloon with a volume of 50.0 L at a pressure of 1.00 atmosphere was deployed at the edge of Typhoon Odessa, what was the volume of the balloon when it reached the center?
2.) A balloon is filled to a volume of 12.5L at a temperature of 27.1ºC. If the pressure in the balloon is measured to be 2.20 atm, how many moles of gas are contained inside the balloon?
The severity of a tropical storm is related to the depressed atmospheric pressure at its center, then the volume of the balloon is 4.164 L.
What is pressure?Pressure is defined as the force applied perpendicular to the surface of an object per unit area over which the force is distributed.
Volume is defined as the space occupied by the boundary of the object in 3D space.
For ideal gas the equation is P1V1 = P2V2
The pressure of center of Odessa storm is
P(in) = P(atm) - 40mbar = 1.0325 - 40.0 x 10⁻³bar = 0.97325 bar
On applying ideal gas equation
P(in)V(in) = P(out)V(out)
V(in) = P(out)V(out) / P(in)
= 1.01325 bar x 40.0 L / 0.97325
= 4.164 L.
Thus, the severity of a tropical storm is related to the depressed atmospheric pressure at its center, then the volume of the balloon is 4.164 L.
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Which sample will have the greatest mass?
Question 3 options:
a)2 mol NO
b) 2 mol NO2
c) 3 mol NO
d) 3 mol NO2
Answer:
C
Explanation:
C is the right answer for this question.
Which statement about electrons is false? * O They are negatively charged O They are insignificant in mass O They are involved in the formation of bonds O They are found in the nucleus of an atom
Which is the correct formula for copper(II) phosphate?
Answer:
Cu3(PO4)2
ExplanatiCalculate the relative rate of effusion for the orange to blue spheres. The root-mean-square speed for the orange spheres is 485.0 m/s. The root-mean-square speed for the blue spheres is 384.0 m/s.
The relative rate of effusion for the orange to blue spheres is 1.263.
What is relative rate?Relative rate is defined as the ratio of the incidence rate of disease or death among the group exposed to the incidence rate of disease ox death among the unexposed group.
It is also defined as the rate at any one particular point of time. It can be measured in per second.
Rate of effusion of orange/ Rate of effusion of blue
= [M blue / M orange] ¹/₂
= 485 / 384 = 1.263
Thus, the relative rate of effusion for the orange to blue spheres is 1.263.
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HELP PLEASE!!! i dont know the answer
Answer:
chloroplast
Explanation:
hope this helps!
Explanation:
number 5 have nucleus....
changed answer=chloroplast
calculate basicity of H3PO4
H₃PO₄ is a Phosphoric acid and its Basicity is 3.
The basicity of a molecule is determined by the number of acidic hydrogen atoms present. The quantity of acidic hydrogen atoms in a substance is what determines its basicity.
To become acidic, a hydrogen atom must establish a very strong electronegative bond with an oxygen or fluorine atom. H₃PO₄ is acidic because the hydrogen atoms are bonded to or united to three oxygen atoms as a result. H₃PO₄ thus has a basicity of 3. Due to the fact that H₃PO₄ has a basicity value of 3, it is a tribasic acid. The ability of a base to replace a number of hydrogen atoms in a certain acid is known as the basicity process. In H₃PO₄, there are three atoms therefore, the basicity is 3.
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Convert 23.4
kJ to calories
PLEASE SHOW WORK SO I CAN LEARN
On converting 23.4 kilojoules of energy into calories we get 5.6 calories of energy.
We have energy in kilojoules.
We have to convert it into calories.
What is the relation between 1 kilojoules and 1 calorie ?In 1 kilojoules there are 0.239 calories.
According to the question -
Energy in kilojoules = 23.4 kJ
In order to find the equivalent energy in calories, multiply 23.4 by 0.239 -
23.4 x 0.239 = 5.6 calories.
Hence, in 23.4 KJ there are 5.6 calories.
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Flawless diamonds and emeralds are colorless. A diamond is composed entirely of carbon, while an
emerald is made of beryl, a mineral with the chemical formula Bez Al2(SiO3) 6.
Which of the following
statements is chemically correct?
OA. Only a diamond is a compound.
OB. Only an emerald is a compound.
O C. Both gemstones are compounds.
OD. Neither gemstone is a compound.
The beryl species includes such well-known gemstones as aquamarines, emeralds, and morganites.
What is gemstones ?Gemstones are synthetic mineral crystals that have been cut and polished for use in jewelry or other adornments. It is also referred to as a superb gem, jewel, expensive stone, and semiprecious stone.
But even though they are not minerals, other rocks like lapis lazuli, opal, and obsidian, as well as occasionally biological materials like amber, jet, and pearl, are regularly used to make jewelry and are frequently regarded as gemstones.
Although soft minerals are more uncommon than hard gemstones, some of them are utilized in jewelry because of their brilliance or other aesthetically pleasing physical properties. Another quality that raises the value of diamonds is rarity. Another factor is reputation.
Along with jewelry, the two main categories of luxury art in early antiquity were hardstone sculptures and engraved jewels.
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2. The owner of a necklace claims that it is made of pure gold (density = 19.2 g/cm³).
The necklace has a mass of 19.21 g. When the necklace is placed in a graduated
cylinder that initially contained 20.8 mL of water, the level rose to 22.0mL?
Find the density of necklaces
Is the necklace made of pure gold?explain
Gold has a density of 19.2 gm/cm.
The necklace weighs 19.21 g.
Water was initially present in 20.8 ml.
22 ml is the total amount of water.
Due to its great density, which results from the fact that each of gold's atoms is individually highly heavy, gold is referred to as a heavy metal.
(a) The necklace's volume is 22 - 20.8 ml.
- The density of a necklace is determined by its mass and volume.
The necklace's density is 19.21 divided by 1.2.
Necklace has a density of 16 gm/ml.
(b) The necklace is constructed of alloy rather than pure gold.
This is due to the necklace's varied density from that of pure gold.
It follows that the necklace contains something else in addition to the gold.
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In Chemistry we look at the composition and the blank of matter
Answer:
A pure substance is a form of matter that has a constant composition and properties that are constant throughout the sample. Mixtures are physical combinations of two or more elements and/or compounds.
Why does the melting of the polar ice caps facilitate the absorption of CO2 by ocean waters?
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Answer:
The melting of the caps increases the concentration of CO2 in the water, making its absorption faster.
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Explanation:
CO2 absorptionThe polar caps of our planet have in their composition several elements, among them the CO2 that is absorbed by the atmosphere. Cold waters, which are present in the Arctic, have an easier time absorbing CO2 compared to other waters.
When glaciers melt, the CO2 that is present in the mixture is dissolved in the ocean, increasing its concentration. The cold waters that came from the ice caps increase the absorption of CO2.
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Convert the height of Mt. Kilimanjaro, at 19,565 ft, to kilometers
given the following equivalence:
1 m = 3.28084 ft
Do 19565 ft × 3.28084 ft ...than
answer will come in meter than convert it into kilo meter
HELP QUICK PLEASE TEST TIMED HUNDRED POINTS Which of the following is NOT one of the basic points of Cell Theory? THE CELL THEORY O All living things are made of cells. The cell is the smallest living thing that can perform all the functions of life. O Cells are too small to see without a microscope. O All cells must come from pre-existing cells. O Other:
Answer:
Cell are too small to see without a micrscope
Explanation:
Cuz I learned in school
The following which is not one of the basic points of Cell Theory is cells are too small to see without a microscope. Hence option c is correct.
What is microscope?Microscope is defined as a lab tool for inspecting things that are too small to be seen with the eye. The study of small objects and structures under a microscope is known as microscopy. Being microscopic means being difficult to see without a microscope. A specimen that has been placed on a slide is seen, magnified, and imaged using the microscope's optical components.
Cell theory is defined as a cells are believed to be the primary building blocks of all living tissues according to a basic biological scientific hypothesis. The essential unit of structure and function in living things is the cell, according to the current Cell Theory, which is widely recognized. One or more cells make up every living thing. Cellular division creates new cells from existing ones.
Thus, the following which is not one of the basic points of Cell Theory is cells are too small to see without a microscope. Hence option c is correct.
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Students are working to find the mass of a hand lens which of the following would students use the measure mass
You may use a hand-lens to help you make this measurement. A student investigates the vertical oscillations of the mass–spring system.
How does the mass-spring system work?Depending on the point of view and the unit of time, velocity is the rate at which the direction of an object in motion changes over time. Velocity is a key concept in kinematics, the branch of classical mechanics that analyzes how bodies move.
The physical vector quantity known as velocity's magnitude and direction must be determined. The scalar absolute value (magnitude) of velocity is speed, a coherently derived unit whose quantity is measured in meters per second in the SI (metric system). In contrast to "5 meters per second east," which is a vector, "5 meters per second" is a scalar.
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Put these in order from least amount of inertia to greatest amount of inertia.
A Toy Car
A Bicycle
A jet airplane
A Truck
Compare and contrast a scientific theory and a scientific law, and include an example of each.
A scientific principle describes a more specific set of relationships than is usually identified as law.
A scientific law describes an important relationship that is observed in nature to occur consistently time after time. The difference between a scientific principle and scientific law is usually one of the extents of the phenomena covered by the explanation, but there is not always a clear distinction between the two.
A scientific law is an explanation of an observed phenomenon. No explanation is given as to why or why the phenomenon exists. Explanations of phenomena are called scientific theories. Scientific laws predict outcomes for specific initial conditions. You can predict the color of your child's hair, or how far a baseball will travel if it is shot at a certain angle. Theory by contrast attempts to provide the most logical explanation for why things happen the way they do.
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40 POINTS!!!
Listed in the Item Bank are key terms and expressions, each of which is associated
with one of the columns.
Choose the number associated with Extensive or Intensive
for each characteristic in the column. Order does not matter.
Extrinsic properties (also called extensive) are directly related to the amount of
material being measured.
Intrinsic properties (also called intensive) are those which are independent of the
amount of matter present.
Volume
Density
Mass
Temperature
Length
Melting Point
Color
Boiling Point
Luster
volume, length, mass are under Extrinsic properties where as Temperature, Density, Melting Point, Color, Boiling Point, Luster are the Intrinsic properties .
What are Extrinsic and Intrinsic properties ?Extrinsic properties are depend on the amount of the substance you have, all size measurements are extrinsic properties like length of a piece of wire.
Intrinsic properties are essential qualities of a material which characterize each of the substances but independent of the size of a sample.
An extrinsic property is not essential to the subject where weight is an example of extrinsic property that depends on the strength of the gravitational field.
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In Act III of Romeo and Juliet, what does Friar Lawrence mean when he says, "O, then I see that madmen have no ears."
A. Angry people will not listen to reason.
B. Ears refers to ears of corn. Those who are hungry and without food go crazy.
C. Crazy people tend to cut off their own ears.
D. Romeo is being unreasonable and will not listen to him.
Answer:
D
Explanation:
most reasonable answer
The correct interpretation of Friar Lawrence's statement in Act III of Romeo and Juliet is: A. Angry people will not listen to reason.
In this scene, Friar Lawrence is expressing his frustration and realization that rational arguments and advice are ineffective when dealing with people who are consumed by anger or driven by their emotions. He sees that Romeo, who is filled with grief and rage after being banished, is not receptive to his reasoning and is acting impulsively.
The line suggests that when people are in a state of madness or extreme emotional turmoil, they become deaf to rational counsel and are unlikely to heed any advice or guidance.
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30 POINTS PLEASE HELP
Explain how the water cycle follows the conservation of mass. Use details to support your response.
Answer:
Water cycle follws conservation of mass
Explanation:
Water conservation is the practice of using water efficiently to reduce unnecessary water usage. According to Fresh Water Watch, water conservation is important because fresh clean water is a limited resource, as well as a costly one.
Matter is conserved in the water cycle as water is found on Earth in a fixed amount, and is never added nor removed from the earth or its atmosphere. The earth itself is a closed system, with all matter cycling through but never being created nor destroyed.
EXPLANATION IN DETAIL:
Water is one of the key ingredients to life on Earth. About 75 percent of our planet is covered by water or ice. The water cycle is the endless process that connects all of that water. It joins the Earth’s oceans, land, and atmosphere.
The Earth’s water cycle began about 3.8 billion years ago when rain fell on a cooling Earth, forming the oceans. The rain came from water vapor that escaped the magma in the Earth’s molten core into the atmosphere. Energy from the sun helped power the water cycle and Earth’s gravity kept water in the atmosphere from leaving the planet.
The oceans hold about 97 percent of the water on Earth. About 1.7 percent of Earth’s water is stored in polar ice caps and glaciers. Rivers, lakes, and soil hold approximately 1.7 percent. A tiny fraction—just 0.001 percent—exists in the Earth’s atmosphere as water vapor.
When molecules of water vapor return to liquid or solid form, they create cloud droplets that can fall back to Earth as rain or snow—a process called condensation. Most precipitation lands in the oceans. Precipitation that falls onto land flows into rivers, streams, and lakes. Some of it seeps into the soil where it is held underground as groundwater.
When warmed by the sun, water on the surface of oceans and freshwater bodies evaporates, forming a vapor. Water vapor rises into the atmosphere, where it condenses, forming clouds. It then falls back to the ground as precipitation. Moisture can also enter the atmosphere directly from ice or snow. In a process called sublimation, solid water, such as ice or snow, can transform directly into water vapor without first becoming a liquid.
Answer:
Water cycle follws conservation of mass
Explanation:
Why do the water molecules change between states?
Answer: As the water molecules gain energy, they can escape from the attractions of their neighbors and change into a more fluid state.
Explanation: have a wonderul day !
What are the products formed when an acid reacts with a metal carbonate?
Answer:
Carbon dioxide gasMetal saltWaterExplanation:
[tex]{ \rm{MCO_{3(s)} + HX _{(aq)} \: \rightarrow \: MX_{(s)} + CO _{2(g)} + H _{2}O _{(l)} }}[/tex]
- MCO_3; Can be any metal carbonate such as Magnesium carbonate, Aluminum carbonate.....
- HX; can be any acid such as sulphuric acid, hydrochloric acid, nitric acid.....
- MX; is a metal acidic salt such as magnesium sulphate from magnesium carbonate and sulphuric acid, Aluminum chloride from Aluminum carbonate and hydrochloric acid.
which of the following gives the best description of the speed
Answer:
40 km in a hour?
Explanation:
Which element, Oxygen (O) or Fluorine (F), has a smaller atomic radius?
O, because the attraction between protons and valence electrons is weaker.
F, because the attraction between protons and valence electrons is stronger.
F, because the attraction between protons and valence electrons is weaker.
O, because the attraction between protons and valence electrons is stronger.
Fluorine has a smaller ionic radius than oxygen, because the attraction between protons and valence electrons is stronger; option B
What is ionic radius?Ionic radius is the radius of an ion of an element given by the distance from the nucleus up to where the nucleus has an influence on the ion's electron cloud.
The ionic radius of ions of elements depends on;
the nuclear charge, electron shielding,the number of electron shells as well as the number of electrons in the outermost shell of of an ion of an element.The greater the nuclear charge, the smaller the ionic radius.
The greater the electron shielding effect, the greater the ionic radius.
For non-metallic ions just as in metallic ions, the ionic radius decreases from left to right across the period table as a result of the increase in the nuclear charge of the ions.
Also, the ionic radius of nonmetals increase on going down the same group in the periodic table due to to increase in electron shielding as well as addition of an extra electron shell.
Therefore, the ionic radius of fluorine will be smaller than that of oxygen because of a greater nuclear charge.
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The rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half life of 78 minutes.
Suppose in a particular patient the concentration of this drug in the bloodstream immediately after injection is 1.1 ug/mL. What will the concentration be 156 minutes later?
The concentration will be 156 minutes later when the rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half life of 78 minutes is 0.275 ug/mL
Half life: It is known as the time needed to minimize the initial concentration to half. It is denoted by the symbol t1/2
For a first order reaction,
t1/2=0.693/k1
The half-life time for a first order reaction is unaffected by the substrate's starting concentration.
Half life of the given drug is 78 min
Total time is 156 min
Number of half lives corresponding to 156 min is 156/78=2
Therefore, the concentration of drug reduced in 156 min =2^2=4 times
Therefore, the number of half-life is present in the given total time is determined by dividing the total time with half-life of the drug.
The initial concentration is 1.1 ug/mL
Final concentration is 1.1/4=0.275 ug/mL
The concentration of drug after 156 min is 0.275 ug/mL
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PLEASE HURRY BEING TIMED! During which phase of the moon do meal tides occur?
Answer:They occur when the Earth, the Sun, and the Moon are in a line. The gravitational forces of the Moon and the Sun both contribute to the tides.Spring tides occur during the full moon and the new moon. During the moon's quarter phases the sun and moon work at right angles, causing the bulges to cancel each other.
Neap tides occur during the first and third quarter moon, when the moon appears "half full." NOAA's tide and tidal current predictions take into account astronomical considerations due to the position of the moon and the sun.
Explanation:
At what temperature would 4.62 g of KCl begin to crystallize in 10 mL of water?
Answer:
7° it's that cause the crylatise
The temperature at which 4.62 g of KCl begins to crystallize in 10 mL of water is 62° Celsius.
What is temperature?Temperature is the measurement of the hotness or coldness of the body. It is denoted by Kelvin.
Given, m=4.62 g of KCl, V= 10 ml of water
ro = 1 g/ml for water, so m(water)
V x ro = 10ml x 1(g/ml) = 10 g.
Solubility (for water as solvent) is defined as grams of solute dissolved per 100g of water.
So solubility for this case = m(KCl)/m(water) =
4.62g of KCl/10g of water = 46.2 g of KCl/100 g of water.
According to the graph below, KCl's solubility reached 46.2 g/100 g at a temperature of about 62 degrees Celsius.
KCl/10 g of water or 46.2 g of KCl/100 g of water.
Therefore, cooling the solution is necessary for crystallization. Crystallization will occur in this situation as soon as the temperature falls below 62 degrees Celsius (about).
The ultimate conclusion is that this KCl solution in water will begin to crystallize at 62 degrees Celsius (about).
Therefore, the temperature is 62° Celsius.
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CAN SOMEONE PLS HELP ME ASAPPP FOR BRAINLEST PLSS
Answer:
Observation and recording
Explanation:
She was observing the rainfall for a year, and recorded the events everyday to analyze
Ba→Ba2+ what is the electron charge
The electron charge on barium is +2
Hence electron charge is +2.
Barium (Ba) has a +2 electron charge, that is barium has a positive charge of two.
Barium ion gets +2 charge by losing two electrons from its valence shell and becomes a positively charged ion called a cation. Also, barium is placed in group 2 of the periodic table, therefore has 2 electrons in its valence shell.
It is easier to lose these two outer shell electrons to become an ion than to gain six electrons to attain a stable configuration.
As barium is placed in group 2, it has two electrons, therefore in the given reaction Ba → Ba²⁺, barium when changing to barium ion has a +2 charge.
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The epinephrine hormone is released in the human body during stress and increases the metabolic ratio of the body, its percentage composition is C= 59.00%; H= 7.15%; N= 7.65% and O= 26.20%. What is the simplest formula for epinephrine?
The epinephrine hormone is released in the human body during stress and increases the metabolic ratio of the body. The simplest molecular formula for epinephrine is C₉H₁₃NO₃.
What are epinephrine?Epinephrine is also known as adrenaline, it is both the hormone and neurotransmitter.
As a hormone, its made and released by your adrenal gland.
As a neurotransmitter, its a chemical messenger that helps transmit nerve signal across the nerve endings to another nerve cell.
Epinephrine is also called as catecholamines, as a norepinephrine and dopamine.
Formula - C₉H₁₃NO₃
Molar mass - 183.204 g/mole
As a neurotransmitter epinephrine plays a small role, small amount is produced in your nerves.
The major role of epinephrine is in hormones. It releases by your adrenal glands in response to stress. This reaction causes a number of change in body and is known as a fight -or- flight response.
Thus, epinephrine hormone is released in the human body during stress and increases the metabolic ratio of the body. The simplest molecular formula for epinephrine is C₉H₁₃NO₃.
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