The reaction of nitric acid, HNO3(aq), with calcium carbonate, CaCO3(s) produces calcium nitrate, carbon dioxide, and water. Which of the following is the correct balanced equation for this reaction?
A) HNO3(aq) + CaCO3(s) ? CaNO3(aq) + CO2(g) + H2O(l)
B) 2 HNO3(aq) + CaCO3(s) ? CaNO3(aq) + CO2(g) + H2O(l)
C) HNO3(aq) + CaCO3(s) ? Ca(NO3)2(aq) + CO2(g) + H2O(l)
D) 2 HNO3(aq) + CaCO3(s) ? Ca(NO3)2(aq) + CO2(g) + H2O(l)
D
You might also like to view...
Do cities benefit or harm the environment? Argue both sides.
What will be an ideal response?
All of the following agricultural practices leave significant parts of the land exposed to water runoff and soil erosion except
A) bare areas. B) rows of sown crops. C) compacted land surfaces. D) terracing steep slopes.
All of the following are effects of U.S. federal price supports on agricultural products, EXCEPT
A) the market cannot arrive at an equilibrium price through its normal market mechanism. B) farmers grow a larger amount of surplus crops than consumers buy. C) buyers pay more than they would if market conditions prevailed. D) consumers' incomes are artificially raised by these agricultural price supports. E) farmers' incomes are artificially raised by government subsidies.
What are the important characteristics of the troposphere? Of the stratosphere?
What will be an ideal response?