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ikadub [295]
3 years ago
13

Which of the following is an example of a buoyant force acting on a piece of

Chemistry
1 answer:
hodyreva [135]3 years ago
4 0

Answer:

D. The piece of bread travels with straight- line horizontal acceleration.

Explanation

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Explanation:

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At 25 ∘C the reaction CaCrO4(s)←→Ca2+(aq)+CrO2−4(aq) has an equilibrium constant Kc=7.1×10−4. What is the equilibrium concentrat
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Answer:

2.67 × 10⁻²

Explanation:

Equation for the reaction is expressed as:

CaCrO₄(s)    ⇄      Ca₂⁺(aq)         +        CrO₂⁻⁴(aq)

Given that:

Kc=7.1×10⁻⁴

Kc= [Ca^{2+}][CrO^{2-}_4]

Kc= [x][x]

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one atom, one atom.

Explanation:

Sodium chloride is made from one sodium atom and one chlorine atom.

Sodium has a charge of +1,  Chlorine has a charge of -1. These cancel each other out leaving only one atom for both sodium and chlorine.

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