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miss Akunina [59]
3 years ago
7

Transfer of Energy

Chemistry
2 answers:
mario62 [17]3 years ago
7 0
I think it’s chemical to mechanical
tangare [24]3 years ago
3 0

Answer: It is (J) Chemical to mechanical

Explanation: And i think its right! Just hope it helps!!

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In the laboratory you dissolve 19.4 g of potassium acetate in a volumetric flask and add water to a total volume of 125 mL. What
aleksandrvk [35]

The molarity of the potassium acetate solution given the data is 1.584 M

<h3>What is molarity? </h3>

This is defined as the mole of solute per unit litre of solution. Mathematically, it can be expressed as:

Molarity = mole / Volume

<h3>How to determine the mole of CH₃COOK</h3>
  • Mass of CH₃COOK = 19.4 g
  • Molar mass of CH₃COOK = 98 g/mol
  • Mole of CH₃COOK =?

Mole = mass / molar mass

Mole of CH₃COOK = 19.4 / 98

Mole of CH₃COOK = 0.198 mole

<h3>How to determine the molarity of CH₃COOK</h3>
  • Mole of CH₃COOK = 0.198 mole
  • Volume = 125 mL = 125 / 1000 = 0.125 L
  • Molarity of CH₃COOK = ?

Molarity = mole / Volume

Molarity of CH₃COOK = 0.198 / 0.125

Molarity of CH₃COOK = 1.584 M

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Which of the following are sources of revenue for media companies? A. Direct sales to producers B.advertising and subscriptions
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Number 1 is 4.875 Number 2 is 3.47 repeating

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We can also use the equation for enthalpy change for physical phase changes. Consider the phase change H2O(l) → H2O(g). Calculat
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<span>44.0 kJ is the answer</span>
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When electrons are added to the outter most shell of carbon atom it forms
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An anion that has a larger radius.

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