excess aluminum fluoride is combined with 45.0 g of potassium carbonate. if 15.0 grams of aluminum carbonate are recovered what is the % yield

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

How many liters of water vapor can be produced if 108 grams of methane gas (ch4) are combusted at 312 k and 0.98 atm? show all work. pls ! will mark as brainliest

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.