How many grams of H2 will be produced, given 27.4 g of Al to start with? 2Al + 6HCl = 2AlCl3 + 3H2

41.1 g H2

3.07 g H2

1.36 g H2

244 g H2

0.756 g H2

In which direction will the following reaction go if the standard reduction potentials are 0.80 v for ag/ag+ and –0.44 v for fe/fe2+? ag+ + fe → ag + fe2+ a.)forward b.)the reaction cannot occur. c.) not enough information is given. d.) reverse

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro

Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.