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mash [69]
3 years ago
12

An allergy medicine is usually stored in a cabinet at the room temperature where it’s molecules move around each other. By mista

ke an intern transferred energy into the medicine after one hour the turn found the Medicine and noticed that it was liquid how were move the molecules moving when the intern found the medicine explain why the molecules were moving this way after the intern transferred energy into the medicine
Chemistry
1 answer:
lina2011 [118]3 years ago
5 0
<h2>Answer:</h2>

The transferred energy by the energy will be converted into the kinetic energy of molecules. Which allow them to move more fastly then in solid.

<h3>Explanation:</h3>

In solid, molecule are moving but their motion is vibrational motion. They don't change their position. It means their kinetic energy is that much low to let them move freely.

But in case of liquid, molecules have much energy to move freely in the matter. Their bonds don't break, so the will be in liquid form.

This increase in kinetic energy is due to energy given by the internee.

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A 0.1326 g sample of magnesium was burned in an oxygen bomb calorimeter. the total heat capacity of the calorimeter plus water w
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Answer: Th enthalpy of combustion for the given reaction is 594.244 kJ/mol

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W are given a chemical reaction:

Mg(s)+\frac{1}{2}O_2(g)\rightarrow MgO(s)

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To calculate the enthalpy change, we use the formula:

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This is the amount of energy released when 0.1326 grams of sample was burned.

So, energy released when 1 gram of sample was burned is = \frac{3283.2J}{0.1326g}=24760.181J/g

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4 0
3 years ago
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1.09 L

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There is some info missing. I think this is the original question.

<em>Calculate the volume in liters of a 0.360 mol/L barium acetate solution that contains 100 g of barium acetate. Be sure your answer has the correct number of significant digits.</em>

<em />

The molar mass of barium acetate is 255.43 g/mol. The moles corresponding to 100 grams are:

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0.391 moles of barium acetate are contained in an unknown volume of a 0.360 mol/L barium acetate solution. The volume is:

0.391 mol × (1 L/0.360 mol) = 1.09 L

5 0
4 years ago
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