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SSSSS [86.1K]
3 years ago
7

Volume, temperature, and pressure are used to measure gas . True or false?

Chemistry
1 answer:
scoray [572]3 years ago
6 0
True, Hope this helps!!
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A: radiation

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Which of the following processes would you predict to have a positive value for ΔSºreaction ?
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Help please chemistry question
Gemiola [76]

Answer:

D. K_{a} = \frac{[\text{H}^{+}][\text{NO}_{2}^{-}]}{[\text{HNO}_{2}]}

Explanation:

The general form of an equilibrium constant expression is

K = \frac{[\text{Products}]}{[\text{Reactants}]}

In the equilibrium

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The products are H⁺ and NO₂⁻, and the reactant is HNO₂.

∴ K_{a} = \frac{[\text{H}^{+}][\text{NO}_{2}^{-}]}{[\text{HNO}_{2}]}

3 0
3 years ago
What is the molarity of a solution that contains 1.78 moles of KNO3 dissolved in 2.50L of water?
Alexxandr [17]

Answer:

molarity= 0.712M

Explanation:

From n=CV

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1.78=C×2.5

C= 0.712M

4 0
3 years ago
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