Mg3N2(s) + 6H20 (1) ► 2NH3(aq) + 3Mg(OH)2 (s) 54.0 grams of water are mixed with excess magnesium nitride, how many gram of ammonia (NH3) are
produced?

What’s the scientific notation for the number 6,840,000,000

How much energy is made when a pice of wood burns. how do you know

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.