Consider the Following Reaction:
2Al(s) + 3Cl₂(g) $\rightarrow$ 2AlCl₃(s) $\Delta$ H = -139081 KJ
A) Is the Reaction Exothermic or Endothermic?
B)

question 69

Short Answer

Consider the following reaction:
2Al(s) + 3Cl₂(g) $\rightarrow$ 2AlCl₃(s), $\Delta$ H = -1390.81 kJ
A) Is the reaction exothermic or endothermic?
B) Calculate the heat produced when 10.0 g of AlCl₃ forms.
C) How many grams of Al are required to produce 1.00 kJ of energy?

• A) Is the reaction exothermic or endothermic?
• B) Calculate the heat produced when 10.0 g of AlCl₃ forms.
• C) How many grams of Al are required to produce 1.00 kJ of energy?

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Definitions:

Decimal Places

Positions to the right of the decimal point in a number, used to specify precision.

Exponential Equation

An exponential equation is one in which the variable appears in the exponent, for example, \(2^x = 8\).

Decimal Places

In a numerical value, decimal places denote the quantity of digits after the decimal point, such as two decimal places in 12.34.

Exponential Equation

An equation in which a variable appears in an exponent, presenting a form where the rate of change increases or decreases exponentially.