Question 1 SO2 is removed from the air by means of the following reaction:
2502+2 CaCO3+ O2-2CaSO4 +2CO,
Determine the mole ratio you would use to convert mol SO2 to mol Caso
2mol SO2/2mol CaSO4
2mol CaSO4/2mol SO2
2mol CaSO4/2mol CO2
2mol CO2/2mol CaSO4

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.

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

What is the wavelength of a 3*10^12 hz infrared wave a 3*10^20m b 1* 10^4m c 3*10^-3m d 1*10^-4 m