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Elena-2011 [213]
3 years ago
8

What is produce in all chemical reactions?

Chemistry
1 answer:
bazaltina [42]3 years ago
6 0

Answer: Reactants and Products

Explanation:

The substances that go into a chemical reaction are called the reactants, and the substances produced at the end of the reaction are known as the products.

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If the change in Gibbs free energy for a process is positive, the corresponding change in entropy for the universe will be
Gnesinka [82]

If the change in Gibbs free energy for a process is positive, the corresponding change in entropy for the universe will be positive.

<h3>What is Gibbs free energy?</h3>

This is defined as the energy used by a substance involved in a chemical reaction.

The Gibbs free energy and entropy has a direct relationship which is why a positive gibbs free energy will result in a corresponding positive entropy.

Read more about Gibbs free energy here brainly.com/question/9179942

4 0
2 years ago
Sodium (Na) and potassium (K) are in the same group in the periodic table. Sodium is in the 11th position. How many valence elec
lapo4ka [179]
It's 1 because there is only one electron on the outer shell.
8 0
3 years ago
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Compare the electron-dot formulas of CH4 and H2O. Why do these molecules have approximately the same bond angles but different m
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Because of the difference in the # of mollecules

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3 years ago
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Which of the following is NOT an example of a chemical change? *
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Grinding as it’s a physical not chemical change :)
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3 years ago
For an alloy that consists of 33.5 wt% Pb and 66.5 wt% Sn, what is the composition (a) of Pb (in at%), and (b) of Sn (in at%)? T
Tju [1.3M]

Answer:

Pb: 22.4 at%

Sn: 77.6 at%

Explanation:

It is possible to find at% of Pb and Sn converting mass in moles using molar mass assuming a basis of 100g, thus:

Pb: 33.5g × (1mol / 207.2g) = <em>0.1617mol</em>

Sn: 66.5g × (1mol / 118.7g) = <em>0.5602mol</em>

<em />

Total moles: 0.1617mol + 0.5602mol = 0.7219mol

Composition in at%:

Pb: 0.1617mol / 0.7219mol × 100 = <em>22.4 at%</em>

Sn: 0.5602mol / 0.7219mol × 100 = <em>77.6 at%</em>

<em />

I hope it helps!

5 0
3 years ago
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