3 years ago

Question 14 of 25

1 answer:

belka [17]3 years ago

4 0

double displacement

bcoz each of the reactants combines with other reactants to obtain the product

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potassium reacts the most vigorously.

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Elza [17]

Answer:

a. $Cp=0.523$

b. $Cp=25.02\frac{J}{mol^\circ C}$

Explanation:

a. First, we solve the specific heat equation as follows:

$Q=mCp\Delta T\\Cp=\frac{Q}{m\Delta T}\\Cp=\frac{89.7J}{33.0g\times5.20^\circ C}=0.523$

b. Then, we use the molar mass of titanium to determine its molar heat capacity, as follows:

$Cp=0.523\frac{J}{g^\circ C}\times 47.87\frac{g}{mol}\\Cp=25.02\frac{J}{mol^\circ C}$

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The answer is: <u>It is thermal energy, which is a type of kinetic energy. </u>

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timurjin [86]

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