2 years ago

Under what conditions is AG for a reaction always positive?

Chemistry

1 answer:

Rashid [163]2 years ago

6 0

When H is positive and S is negative

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What happens to the entropy in the reaction I^2(s) ►I^2(g)?

swat32

Answer:

D. Entropy increases in the reaction.

Explanation:

Entropy is the degree of randomness in a system. In the reaction given we go from a solid to a gas, therefore there is an increase in the randomness. This means there is an increase in entropy.

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2 years ago

13. What is a chemical equation?

s2008m [1.1K]

chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulae, wherein the reactant entities are given on the left-hand side and the product entities on the right-hand side with a plus sign between the entities in both the reactants and the products and an arrow that points towards the products, and shows the direction of the reaction.[1] The coefficients next to the symbols and formulae of entities are the absolute values of the stoichiometric numbers.

Explanation:

<h3>CARRYINGTOLEARN:)</h3>

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1 year ago

Use the periodic table to match each of the following element symbols to its name, atomic mass, or atomic number. (3 points)

bonufazy [111]

Answer:

Tin I thunk

Explanation:

I think

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2 years ago

Complete the sentences to explain what a similar treatment would predict for the effective nuclear charge on boron valence elect

dsp73

Answer:

ZcH's electrons = 5-2 = +3.

ZcH for inner electrons = -5 - 0 = +5.

Explanation:

Boron 1s² 2s² 2p

As, 2s ⇒ 2.58.

2p ⇒ 2.42.

Electrons = +3.

Greater than 2 cm = 0.35

Slightly greater than +3 .

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3 years ago

What is the net ionic charge of an oxygen ion?

SOVA2 [1]

The answer is O2.

The ionic charge of something can be determined by it's place in the periodic table.

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3 years ago