Answer:
HELL NO!
THAT'S MY CHILDHOOD GAME!
I LOVE THAT GAME!
IT SHOULD NOT BE DEAD!
IT SHOULD LIVE ON FOREVER!
#GemoteryDashShouldLiveOnForever!
[tex]AnimeVines[/tex]
a mixture , the different parts of which vary in composition and properties
Answer:
heterogeneous mixture
Explanation:
(a) A mixture with the same composition and properties throughout is called a homogeneous mixture. (b) A mixture, the different parts of which vary in composition and properties, is called a heterogeneous mixture.
Which of the following is an example of a connection between the hydrosphere and the
lithosphere?
A.waves eroding rocks on the beach
B.water evaporating to form clouds
C.fish swimming in a river
D.boats transporting goods
Answer:For example, rain (hydrosphere) falls from clouds in the atmosphere to the lithosphere and forms streams and rivers that provide drinking water for wildlife and humans as well as water for plant growth (biosphere). River action erodes banks (lithosphere) and uproots plants (biosphere) on the riverbanks.
Explanation:b
We have that examples of a connection between the hydrosphere and the
lithosphere are
Water evaporating to form cloudsFish swimming in a riverOption A and B
The hydrosphere bears rain that falls in the atmosphere and creates water bodies on earth by combining with the lithosphere
Therefore
Water evaporating to form cloudsFish swimming in a riverAre examples of a connection between the hydrosphere and the
lithosphere.
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Which element forms a chloride of the type XCl2
A:strontium
B:xenon
C:antimony
D:tellurium
E:tin
F:iodine
Explanation:
Element X forms a chloride with the formula XCl 2 , which is a solid with a high melting point. X would most likely be in the same group of the Periodic Table as. (a) Na (b) Mg (c) Al (d) Si. the answer is Mg .
Which type of model best represents crystals?
A. ribbon
B. space-fill
C. ball-and-stick
D. Lewis dot
A space filling model is a representation in which atoms of a compound appear as spheres of equal diameter. Crystals are best represented using space filling model.
Crystals are composed of atoms or molecules of a substance that are arranged in a regular and repeating pattern.
While ball and stick models offer an effective representation for discrete molecules, a space filling model is more apt for a crystal since the components are repeating at regular intervals.
Hence the correct answer is option B: space-fill. The space filling model of sodium chloride crystal is shown in the image attached.
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Is burning a lot a physical or chemical change?
burning is irreversible change so its chemical change
Which is an example of a three
dimensional measurement of
volume?
A. 120 cubic meters
B. 120 grams
C. 120 miles per hour
D. 120 units
Answer:
It's A. 120 cubic meters
9. Hydrogen is 99% H, 0.8% ?H, and 0.2% H. Calculate its average atomic mass.
Answer: Technically, this cannot be answered, since none of the H atoms have a mass number assigned. With the assumption noted delow, I calculate 1.012 as the average atomic mass.
Explanation:
My answer is based on assumed masses for the three H isotopes:
1H : 1 AMU
2H: 2 AMU Deuterium
3H: 3AMU Tritium
AMU Rel Abund. Wt. Avg
1H 1 99.00% 0.99
2H 2 0.80% 0.016
3H 3 0.20% 0.006
Sum 1.012
The following reaction is exothermic. 2 N2O(g) 2 N2(g) O2(g) This means the reaction: 56) A) will be spontaneous only at low temperatures B) is not spontaneous at any temperature C) will be spontaneous only at high temperature D) will be spontaneous at all temperatures E) cannot determine without temperature
For exothermic processes, spontaneity will only occur if the entropy positive with all temperature or if the entropy is negative with only low temperature.
Since the given equation decomposed from 2 moles of gas into 3 moles of gas, we know that entropy is positive. Thus the reaction will be spontaneous at all temperature.
D is the answer
8. What is the chemical formula for sulfuric acid? Explain in great detail.
The chemical formula for sulfuric acid is H2SO4.
Detailed explanation:
This means that there are 2 atoms of hydrogen, 1 atom of sulfur, and 4 atoms of oxygen in a single molecule. Hope this helps!
The answer is H2SO4.
At what temperature does water boil if 75.0 g of glucose (180.1 g/mol) is added to 400 g of water?
A. 100.25 degree C
B. 100.53degree C
C. 100.84degree C
D. 101.39degree C
E. 101.94degree C
Answer:
A
Explanation:
Because it have more glucose
At 100.25 degree C temperature does water boil if 75.0 g of glucose (180.1 g/mol) is added to 400 g of water. Hence option A is correct.
What is temperature?Temperature is defined as the measuring a substance's degree of heat or cold. The direction of heat transfer when two bodies with different temperatures are kept in touch depends on the temperature. An instrument that measures temperature is a thermometer.
Glucose is defined as one of the carbohydrates classified as simple sugars. The brain is the most energy-hungry organ in the body and uses half of the body's sugar energy due to its abundance of nerve cells, or neurons. Thinking, memory, and learning are all tightly correlated with blood glucose levels and how effectively the brain uses this fuel.
Thus, at 100.25 degree C temperature does water boil if 75.0 g of glucose (180.1 g/mol) is added to 400 g of water. Hence option A is correct.
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Write the electronic configuration of elements from Hydrogen to Calcium
ans as fast as you can
Answer:
Hydrogen (H) 1s1
Helium (He) 1s2
Lithium (Li) 1s2 2s1
Beryllium (Be) 1s2 2s2
Boron (B) 1s2 2s2 2p1
Carbon (C) 1s2 2s2 2p2
Nitrogen (N) 1s2 2s2 2p3
Oxygen (O) 1s2 2s2 2p4
Fluorine (F) 1s2 2s2 2p5
Neon (Ne) 1s2 2s2 2p6
Sodium (Na) 1s2 2s2 2p6 3s1
Magnesium (Mg) 1s2 2s2 2p6 3s2
Aluminum (Al) 1s2 2s2 2p6 3s2 3p1
Silicon (Si) 1s2 2s2 2p6 3s2 3p2
Phosphorus (P) 1s2 2s2 2p6 3s2 3p3
Sulfur (S) 1s2 2s2 2p6 3s2 3p4
Chlorine (Cl) 1s2 2s2 2p6 3s2 3p5
Argon (Ar) 1s2 2s2 2p6 3s2 3p6
Potassium (K) 1s2 2s2 2p6 3s2 3p6 4s1
Calcium (Ca) 1s2 2s2 2p6 3s2 3p6 4s2
Explanation:
How does the mass of each atom compare to the average atomic mass of the element give in the periodic table?
Explanation:
One is the average weight of an element and the other is the total number of nucleons in the atom's nucleus. Atomic mass is also known as atomic weight. Atomic mass is the weighted average mass of an atom of an element based on the relative natural abundance of that element's isotopes please mark as a brainliest
What are the differences of a physical change and a chemical change?
Answer:
a physical change only changes the look of something whereas a chemical change occurs when one thing has a reaction and it forms a new substance.
Solve the following equation for
x. 4x+6=-10
[tex]\\ \sf\longmapsto 4x+6=-10[/tex]
[tex]\\ \sf\longmapsto 4x=-10-6[/tex]
[tex]\\ \sf\longmapsto 4x=-16[/tex]
[tex]\\ \sf\longmapsto x=\dfrac{-16}{4}[/tex]
[tex]\\ \sf\longmapsto x=-4[/tex]
4x + 6 = - 10
4x = -10-6
4x = -16
x = -16/4
× = -4
Which option is an isotope with 6 protons and 8 neutrons?
A - carbon-14
B - oxygen-14
C - carbon-8
D - oxygen-6
What is sulfuric acid? Briefly
Answer:
Sulfuric acid or sulphuric acid, also known as oil of vitriol, is a mineral acid composed of the elements sulfur, oxygen and hydrogen, with the molecular formula H₂SO₄. It is a colorless, odorless and viscous liquid that is miscible with water.
Explanation:
Explanation:
Sulfuric acid is a colourless oily liquid. It is soluble in water with release of heat. It is corrosive to metals and tissue. The major use of sulfuric acid is in the production of fertilizers . Sulfuric acid, sulfuric also spelled sulfuric (H2so4) , also called oil of vitrod. Sulfuric acid is a very important commodity chemical , and a nation's sulfuric acid production is a good indicator of it's industrial strength.
What is the final temperature of water given an initial temperature of 28 ˚C, a mass of 7 g, and heat (q) of 184 J (Specific Heat of water = 4.184 )?
Answer:34.28 Degree celcius
Explanation:The heat given is equal to the change in temperature multiplied by the mass and the specific heat capacity
This gives the equation:Q=mc∆T
Where Q=184,m=7, specific heat capacity=4.184,∆T=X-28,
But ∆T=Final temperature (T'')-Initial temperature (T')
Therefore the equation becomes
184=7×4.184(X-28)
Solving the remaining linear equation gives you X as 34.28°C
What is light energy absorbed by?
Answer:
I think in the light-dependent reactions, energy absorbed by sunlight is stored by two types of energy-carrier molecules: ATP and NADPH. The energy that these molecules carry is stored in a bond that holds a single atom to the molecule. For ATP, it is a phosphate atom, and for NADPH, it is a hydrogen atom.
Hope this help you!:)
A chunk of copper has a volume of 20.0 mL. What is its mass?
The mass of the chunk of copper is 179.2g
WHAT IS DENSITY:
Density of an object refers to its mass in relation to its volume i.e. density can be calculated by dividing the mass of an object by its volume. This means that if the density of an element or substance is known, the mass can be calculated in a given volume.The density of Copper element is 8.96g/mL
Since density = mass (g) ÷ volume (mL)
8.96 = mass ÷ 20mL
mass = 20 × 8.96
mass = 179.2g
Therefore, the mass of the chunk of copper is 179.2g
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How much of a chemical should you take?
Answer:
No more than 0.1 mL of hydrochloricton acid
Tell me the mass number of an atom with 4 protons, 5 neutrons, and 2 electrons.
Answer:
I'm pretty sure your answer will be 9
Answer:
9
Explanation:
Mass number = proton + neutron
= 4 + 5
= 9
The reaction described by the equation X + Y Z
shown to have the following rate law:
R = K[X] [Y]
What is the effect on the rate if the concentration
of [X] is doubled and [Y] remains constant?
Draw the structure 2,3dimethylhep-2-ol
Answer:
[tex]{ \sf{CH_{3}C - (CH_{3})(OH)CH(CH_{3})CH_{2} CH_{2} CH_{2}CH_{3}}}[/tex]
Vanadium (V) phosphate
Cobalt(II) sulfide
Beryllium nitrate
Silver sulfate
Manganese(IV) oxide
Manganese(II) fluoride
Carbonic acid
Carbon dioxide
name them
What is a measure of the amount of
matter (particles) in an object?
A. Length
B. Mass
C. Weight
D. Volume
Answer:
B. Mass
Explanation:
Matter is all the “stuff” that exists in the universe. It has both mass and volume. · Mass measures the amount of matter in a substance or an object.
hope i helped
Chris wrote a few steps to describe how carbon circulates between the ground and living organisms
Step 1. Trees absorb carbon dioxide in the air and use it to make their own food using photosynthesis
Step 2. When plants or animals die, they are broken down by decomposers and their carbon returns to the soil
Step 3. Carbon stays in the ground for long-term storage as fossilized carbon
If step 1 is removed, which statement best describes the effects of this missing step on the carbon cycle?
More carbon is stored in the ground for long-term storage.
Less carbon is available for plant and animal growth
More carbon is stored in plants instead of the ground
There are more fossil fuels available for energy use
If Step 1 is missing, there will be less carbon available for both plant and animal growth.
Description of the process of photosynthesisThe steps written down by Chris to describe how carbon is circulates between the ground and living organisms form part of the carbon cycle.
In the first step which is photosynthesis, plants such as trees absorb carbon dioxide from the air and use it to make their own food.
Also the food made by plants during photosynthesis serve as a source of carbon for both the plants as well as animals and other organisms which depends on plants as their carbon source for growth.
ConclusionTherefore, if Step 1 is missing, there will be less carbon available for both plant and animal growth.
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Answer: B
Explanation:
An ion is formed by either
Explanation:
By definition, an ion is an electrically charged particle produced by either removing electrons from a neutral atom to give a positive ion or adding electrons to a neutral atom to give a negative ion. When an ion is formed, the number of protons does not change.
Answer:
Ions are formed by the addition of electrons to, or the removal of electrons from, neutral atoms or molecules or other ions.
Explanation:
by combination of ions with other particles; or by rupture of a covalent bond between two atoms in such a way that both of the electrons of the bond are left in association with one of the formerly bonded atoms. Examples of these processes include the reaction of a sodium atom with a chlorine atom to form a sodium cation and a chloride anion; the addition of a hydrogen cation to an ammonia molecule to form an ammonium cation; and the dissociation of a water molecule to form a hydrogen cation and a hydroxide anion.
Please help me answer this question
Answer with explanation:
1) general word equation=acid + metal= salt + hydrogen gas
chemical/balanced equation= 2HCl+Mg=MgCl2+H2
2)The gas thus formed is an effervescent carbon di oxide when calcium chloride reacts with hydrochloric acid. the carbon di oxide gas also acts as an extinguisher for fires. Hence the burning candle is extinguished.
How many molecules are their in o.5 mole of H2o
Answer:
There are 6.022x10^23 molecules
Which of the following words means "the degree to which a measurement is precise and reliable"?
a. variable
b. accuracy
c. parameter
d. constant