Under the same conditions, 40 liters of SO2(gas) react with 25 liters of O2 (gas) to form SO3 (gas) a) Write the balanced equation of combustion reaction b) Identify the excess reactant
c)Calculate the maximum volume of SO3(g) produced in liters

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.

In 2002, the rare earth elements mine in mountain pass, california was closed because

About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?