Author Question: How many grams of zinc metal are required to produce 2.00 liters of hydrogen gas at STP according to ... (Read 149 times)

ahriuashd · **on:** Aug 27, 2018

How many grams of zinc metal are required to produce 2.00 liters of hydrogen gas at STP according to the chemical equation shown below?

Zn(s) + 2 HCl(aq) ZnCl2(aq) + H2(g)

A) 0.171 g
B) 5.83 g
C) 11.7 g
D) 131 g

Question 2

The carbonyl group is

A) a general term for any functional group involving a carbon-oxygen bond.
B) found only in aldehydes and ketones.
C) a functional group in which carbon and oxygen are joined by a double bond.
D) a functional group with a 6-membered ring where at least one atom is oxygen.
E) produced by reduction reactions of primary or secondary alcohols.