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Mrrafil [7]
3 years ago
14

For a reaction, what generally happens if the temperature is increased? a) A decrease in k occurs, which results in a faster rat

e. b) A decrease in k occurs, which results in a slower rate. c) An increase in k occurs, which results in a faster rate.
Chemistry
1 answer:
satela [25.4K]3 years ago
3 0

Answer:

an increase in K occurs,which results in a faster rate

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Unknown # 41
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In the laboratory you are asked to make a 0.565 m sodium bromide solution using 315 grams of water. How many grams of sodium bro
Scorpion4ik [409]

Answer : The mass of sodium bromide added should be, 18.3 grams.

Explanation :

Molality : It is defined as the number of moles of solute present in kilograms of solvent.

Formula used :

Molality=\frac{\text{Mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Mass of solvent}}

Solute is, NaBr and solvent is, water.

Given:

Molality of NaBr = 0.565 mol/kg

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Now put all the given values in the above formula, we get:

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\text{Mass of NaBr}=18.3g

Thus, the mass of sodium bromide added should be, 18.3 grams.

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3 years ago
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