What is the name of the process that plants and animals undergo to release carbon
Considering the temperature vs. time graph below, how does the temperature at the beginning of a change of state compare with the temperature at the end of the change?
Answer:
A. The temperature is always lower.
Explanation:
Just took the test on Edg. 2020
Give me branliest please
Montrel takes a trip to Central America during the winter. He finds out that the temperature in Central America is about the same year round. Which of the following could explain why?
Options:
A: Central America is near the North Pole.
B: Central America is near the South Pole.
C: Central America is near the equator.
D: Central America is near sea level.
Answer:
C
Explanation
Because My teacher told me that for an example Florida is hot but in Central America is cold or hot and you don’t need a jacket. I don’t remember much
The Central America is near the equator could explain the above statement.
What is equator?Equator is an imaginary line that passes through the centre of the globe at 0 degrees latitude and at equal distance between the North and South Poles.
Some countries of Central America are situated near the equator. The places near equator have little seasonal variation. These places have same amount of daylight and darkness throughout the year and remain warmer year round. These places near the equator have an alternating dry and rainy seasons.
Hence, we can conclude that option C is the answer.
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A 5.0-L sample of sulfur hexafluoride (SF6) is stored at a temperature of 250.0 K and a pressure of 67.0 Pa. If the pressure is decreased to 60.0 Pa, what will the new temperature be?
Answer:279.1 K
Explanation:
You'll be using Gay-Lussac's Law for this. P1/T1=P2/T2
I have a class for this, and one of the practice questions was formatted this way, so I used that format and substituted said numbers as needed
P1:67 Pa
P2:60 Pa
T1:250 K
T2:?
I really hope this helps!
It is 1,518 miles from West Lafayette to Provo, UT (where Mrs. Fernandez started in college). If I drive in that direction 692 miles the first day and 674 miles the second day, how many more miles will I have to drive the third day until I reach my destination? Explain. *
Answer:
152 more miles you will have to drive the third day to reach the destination.
Explanation:
First you must know the distance during the first two days. If you drive 692 miles on the first day and 674 miles on the second day, to get the distance traveled on both days you must add both amounts traveled:
692 miles + 674 miles= 1,366 miles
Knowing that there are 1,518 miles from West Lafayette to Provo, UT, to know the number of miles you will have to drive on the third day to reach your destination, you must subtract between the total distance and the distance traveled in the first two days. This is:
1,518 miles - 1,366 miles= 152 miles
152 more miles you will have to drive the third day to reach the destination.
30 Points!! 15 Each Points Please Help ASAP!! View Attached Image!! Will Mark Brainliest If All Are Answered!!
Answer: 22: C
23: A
24: A
25: D
26: B
Explanation: I hope that this helped :)
Answer:
22) b. stainless steel.
23) c. they are all substances.
24) b. a compound can only be separated into its components by chemical means.
25) a. substances are compounds, mixtures are not.
26) b. capitalized
extra: not 100 percent sure of 25
Which of the four following items are made up of one or more molecules?
Group of answer choices
Salt
Neon
Hydrogen
Gold
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Answer:
uhm-
Explanation:
chile, anyways so-
Name the intermolecular force in the compound N = O
Describe how the organelles in a cell work together to keep an organism alive
Answer:
These organelles are like the organs in a human and they help the cell stay alive. Each organelle has it's own specific function to help the cell survive. The nucleus of a eukaryotic cell directs the cell's activities and stores DNA. ... All of the cell's organelles must work together to keep the cell healthy.
Explanation:
These organelles are like the organs in a human and they help the cell stay alive. Each organelle has it's own specific function to help the cell survive. The nucleus of a eukaryotic cell directs the cell's activities and stores DNA. ... All of the cell's organelles must work together to keep the cell healthy.
What is one example of reusing water?
taking shorter showers each day
watering the yard in the morning
watering flowers with dirty dishwater
turning off water in the sink while brushing teeth
Answer:
C-watering flowers with dirty dishwater
Explanation:
The change of state in which a solid becomes a liquid is called ______. a liquefaction b melting c condensation d sublimation
The molar absorptivity of a compound at 500 nm wavelength is 252 M-1cm-1. Suppose one prepares a solution by dissolving 0.00140 moles of a solute in enough water to make a 500.0 mL solution. What would be the absorbance in a 3 .00 mm pathlength cell?
Answer:
The absorbance of the solution is 0.21168.
Explanation:
Given that,
Wavelength = 500 nm
Molar absorptivity = 252 M⁻¹ cm⁻¹
Number of moles = 0.00140
Volume of solution = 500.0 mL
Length = 3.00 mm
We need to calculate the molar concentration
Using formula of the molar concentration
[tex]C=\dfrac{N}{V}[/tex]
Where, N = number of moles
V = volume
Put the value into the formula
[tex]C=\dfrac{0.00140}{0.5000}[/tex]
[tex]C=0.0028\ M[/tex]
We need to calculate the absorbance of the solution
Using formula of absorbance
[tex]A=\epsilon C l[/tex]
Put the value into the formula
[tex]A=252\times0.0028\times0.300[/tex]
[tex]A=0.21168[/tex]
Hence, The absorbance of the solution is 0.21168.
The absorbance of a compound, with a molar absorptivity at 500 nm wavelength of 252 M⁻¹ cm⁻¹, prepared by dissolving 0.00140 moles of a solute in enough water to make a 500.0 mL solution, measured in a 3 .00 mm pathlength cell, is 0.212.
First, we will calculate the molarity of the compound, which is equal to the moles of solute divided by the liters of solution.
[tex]M = \frac{0.00140mol}{0.5000L} = 0.00280 M[/tex]
Then, we will convert 3.00 mm to cm using the conversion factor 1 cm = 10 mm.
[tex]3.00 mm \times \frac{1cm}{10mm} = 0.300 cm[/tex]
Finally, we will calculate the absorbance of the compound using the Beer–Lambert equation.
[tex]A = \epsilon \times b \times C[/tex]
where,
A: absorbanceε: molar absorptivityb: length of light pathC: molar concentration[tex]A = \epsilon \times b \times C = \frac{252}{M.cm} \times 0.300 cm \times 0.00280 M = 0.212[/tex]
The absorbance of a compound, with a molar absorptivity at 500 nm wavelength of 252 M⁻¹ cm⁻¹, prepared by dissolving 0.00140 moles of a solute in enough water to make a 500.0 mL solution, measured in a 3 .00 mm pathlength cell, is 0.212.
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Which one is it First to answer (correct) gets brainlist
Answer:
D
Explanation:
A pie chart (or a circle chart) is a circular statistical graphic, which is divided into slices to illustrate numerical proportion. ... While it is named for its resemblance to a pie which has been sliced, there are variations on the way it can be presented
titsssss is the answerr mateeee
The process of water migrating from areas of low electrolyte concentration to area of high electrolyte concentration is called ———————. ——————— is the medicine term for the swelling of the brain
Answer:1-Diffusion
2-Cerebral edema
Explanation:
The process of water migrating from areas of low electrolyte concentration to areas of high electrolyte concentration is called diffusion.
Cerebral edema is the medical term for the swelling of the brain.
What is diffusion?Diffusion is a process where the substance or ions of from a low concentration to a high concentration. It occurs against the concentration gradient, so it needs energy.
Cerebral edema is a condition where fluid gets filled in the brain and the brain swells and make pressure on the skull called intracranial pressure.
Thus, Diffusion is the mechanism by which water moves from regions with low electrolyte concentrations to regions with high electrolyte concentrations.
The medical term for brain swelling is cerebral edema.
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How do nicotine and tobacco cause cancer?
Answer:
by damaging or changing a cell's DNA
Explanation:
The maximum potential energy of a box sliding from the top of a ramp to the bottom is at the top. Potential energy is stored energy. The box has the most stored energy at the top and it decreases as it slides down the hill.A box slides from the top of a ramp to the bottom, its maximum potential energy is located
A) at the top.
B) at the bottom.
C) equal at all locations.
D) at the exact middle of the ramp.
A:The top of the Ramp
A cubic object has a volume of 250 cm. What is its density if its mass is 5 points
257.3 g?
Answer:
The answer is 1.03 g/cm³Explanation:
The density of a substance can be found by using the formula
[tex]density = \frac{mass}{volume} \\ [/tex]
From the question
mass = 257.3 g
volume = 250 cm³
We have
[tex]density = \frac{257.3}{250} \\ = 1.0292[/tex]
We have the final answer as
1.03 g/cm³Hope this helps you
Briefly explain why sulfur and phosphorus can form complicated molecules, but nonmetals in period 2 tend to form only diatomic molecules
Answer:
see below
Explanation:
Sulfur and phosphorous can violate the octet rule and have an expanded octet, so molecules of these elements can contain more than eight valence electrons. In contrast, nonmetal elements in period 2 can't have an expanded octet because they don't have d orbitals. These elements must obey the octet rule and can hold only up to eight valence electrons. Period 2 elements can fill their outer orbitals by covalently bonding with one other atom of the same element.
Please solve number 5!! I’ll mark most brainliest!
Answer: 5.248
Explanation: 0.53/0.1010 = 5.24752475248, and round to the thousandths.
determine the energy in joules of a photon whose frequency is 3.55 x10^17 hz( with units)
i think it is this
Explanation:
Is 200 meters greater than 2000 centimeters
Answer:
200 meters.
Explanation:
2000 centimeters is 20 meters
100 centimeters = 1 meter
2000 divided by 100 = 20
Explanation:
Yes, 200 meters is greater than 2000 centimetres . Because 2000 centimetres is only 20 meters . So, 200 meters is greater.If you like this answer then mark this answer as BRAINLIEST answer.
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How can you relieve stress?
heavy vechicle have back wheels in pairs. why
because without the extra wheels the vehicle would be to heavy and not be able to support the extra weight thus the vehicle would be useless hope this helped brainlies plz
The half-life of a radioisotope
a
gets shorter with time
b
is constant
c
get shorter with increasing temperature
d
decreases by a factor of two each time
e
become longer over time
Answer:
b is constant
Explanation:
The half-life of a radioisotope is constant throughout its life cycle.
Half-life is the time taken for half of the radioactive nuclei to disintegrate.
Every radionuclide has its characteristic half-life and it is independent of the number of radioactive atoms.
The half-life does not depend on any variable. It is an inherent property of a radioactive isotope. The shorter the half-life, the faster a radionuclide decays. Nuclides with a long half life are fairly stable for a long period of time. The decay of a radioactive element is usually characterized by its half-life.Therefore, the most ideal statement about half-life is that it is constant.
how much is 3.5 gallons in cups
Answer:
3.6 gallons are equal to 56 cups
When we discuss communication, we often first think of written and oral communication. Write one paragraph about a time when you found it easier to communicate with a graph than with text.
Answer:
There's a lot of answers.
Explanation:
Last year, I presented a paper on population growth in the United States between the years 1975 and 2015. The data involved numbers and figures. This data was difficult to present in textual format, so I turned to graphing. The graph helped me break down and simplify complex numerical data so my audience could more easily understand it.
A time when I found it easier to communicate with a graph than with text was when I wanted to make a presentation about the importance of education.
Communication simply means sending a message from one person to another person. Graphs can be used when one wants to make a visual representation of data.
I used graphs when I wanted to make a presentation about the importance of education. I wanted to show the audience how certain regions like the European countries are well developed than African countries. The graph was vital in visualizing this.
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two atoms With diferent mass number but the same atomic number are called
Answer:
they are called isotopes
Plz help, have a quiz on this plz PLZ
Answer:
20.82
Explanation:
In the outer layer of the sun, energy is transported outward by the rising of hot plasma and sinking of cooler plasma. This transfer is known as __________.
a.Electromagnetic radiation
B.Convection
C. Solar flares
D. Conduction
Answer:
solar flares
Explanation:
We have that The outward transportation of sun rays by the rising of hot plasma and sinking of cooler plasma is Known as
Solar flaresOption D
From the question we are told
In the outer layer of the sun, energy is transported outward by the rising of hot plasma and sinking of cooler plasma. This transfer is known as __
Generally
When the sun give off Heat energy it does this by the rising of hot plasma and sinking of cooler plasma
This Process is defined by scientist around the world as Solar flares and this
is the reason why the rays if the sun reaches earth.
Therefore
The outward transportation of sun rays by the rising of hot plasma and sinking of cooler plasma is Known as
Solar flares
Option D
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