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Reptile [31]
3 years ago
15

Are rocks on Earth's surface stable? What might cause rocks to change? Explain your reasoning.

Chemistry
1 answer:
zysi [14]3 years ago
6 0

Answer:

All rocks are constantly moving, but at a pace we cant see. Rocks might change from weather corrosion, or magma moving deep down. They are stable but sometimes can be unstable (earthquakes).

Explanation:

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Which of the following changes will always be true for a spontaneous reaction? (3 points)
Alika [10]
Answer is: <span>- delta G.
</span>The change in Gibbs free energy (ΔG), at constant temperature and pressure, is: <span>ΔG=ΔH−TΔS.
</span>ΔH<span> is the change in enthalpy.
</span>ΔS is change in entropy.
T is temperature of the system.
When ΔG is negative, a reaction (<span>occurs without the addition of external energy)</span><span> will be spontaneous (</span>exergonic).

3 0
3 years ago
Um pacote de iogurte tem 500g de um produto. A quanto equivale essa massa em quilogramas?
Rudik [331]
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3 years ago
If the atomic weight/atomic mass is 0 what does it mean?
Gwar [14]

Answer: Neutron matter is equivalent to a chemical element with atomic number 0, which is to say that it is equivalent to a species of atoms having no protons in their atomic nuclei. Neutron matter decays quickly into hydrogen. Neutron matter has no electronic structure on account of its total lack of electrons.

Explanation:

3 0
3 years ago
Use this picture to explain that an electrically charged object can attract an uncharged object without any contact. Your answer
taurus [48]

Answer: Insufficient amount of work provided.

Explanation:

7 0
3 years ago
If 5 grams of hydrogen reacted with 40 games of oxygen to form water, how much of water would be formed?
GREYUIT [131]
2H₂ + O₂ = 2H₂O

n(H₂)=m(H₂)/M(H₂)
n(H₂)=5g/2.0g/mol=2.5 mol

n(O₂)=m(O₂)/M(O₂)
n(O₂)=40g/32.0g/mol=1.25 mol

H₂ : O₂ = 2 : 1

2.5 : 1.25 = 2 : 1

n(H₂O)=n(H₂)=2n(O₂)=2.5 mol

m(H₂O)=n(H₂O)M(H₂O)

m(H₂O)=2.5mol*18.0g/mol=45.0 g
3 0
3 years ago
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