Multiple Choice
The thermochemical equation describing the heat change in the decomposition of limestone,CaCO3,is given by CaCO3(s) + 176 kJ → CaO(s) + CO2(g) .What is the heat change that accompanies the decomposition of 25.0 g of limestone?
A) 7.12 kJ
B) 25.0 kJ
C) 44.0 kJ
D) 176 kJ
E) 1.42 × 10-3 kJ
Correct Answer:
Verified
Correct Answer:
Verified
Q24: In a general chemistry laboratory experiment,a student
Q25: In the reaction 2 AgI + HgI<sub>2</sub>
Q26: In reacting aluminum carbonate with hydrochloric acid
Q27: If the reaction N<sub>2</sub> + 3 H<sub>2</sub>
Q28: Consider the following thermochemical equation: CaO(s)+ H<sub>2</sub>O(
Q30: Consider the hypothetical reaction A + 2
Q31: In the reaction P<sub>4</sub> + 5 O<sub>2</sub>
Q32: A chemical reaction resulted in 1.376 g
Q33: In the combustion of natural gas according
Q34: Formation of two moles of hydrogen chloride