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gregori [183]
3 years ago
7

Think of an everyday activity where removal of one of the products helps the reaction to faster in forward direction?​

Chemistry
1 answer:
elena55 [62]3 years ago
4 0

Answer:

Cooking with open, exposed flame to prevent build up of CO₂ which will extinguish the fire

Explanation:

In the cooking process whereby food is heated by the combustion of cooking gas as follows;

C₄H₁₀ (g) + (13/2)O₂ → 4CO₂(g) + 5H₂O(g),  ΔH = -2658 kJ·mol⁻¹

The product of the combustion must be allowed to escape freely to allow for more reactant molecules of oxygen and butane to effectively combine.

Whereby, the CO₂ is allowed to remain and accumulate at the reaction site, the CO₂ displaces the oxygen and reduces the butane such that as the CO₂ builds up without removal, the CO₂  and butane will left in the mixture while the fire is extinguished.

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0.250 moles of NaCl is dissolved in 0.850 L of solution. What is the molar concentration?
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Considering the definition of molarity, the molar concentration is 0.294 \frac{moles}{liter}.

Molarity reflects the concentration of a solution indicating the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of the solute by the volume of the solution:

molarity=\frac{amount of moles of solute}{volume}

Molarity is expressed in units \frac{moles}{liter}.

In this case, you know:

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Replacing in the definition of molarity:

molarity=\frac{0.250 moles}{0.850 L}

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Finally, the molar concentration is 0.294 \frac{moles}{liter}.

Learn more about molarity with this example: brainly.com/question/15406534?referrer=searchResults

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