SO2 reacts with H2S as follows: 2H2S + SO2 --> 35 + 2H2O When 7.50 g of H2S reacts with 12.75 g of SO2, which statement is true?
A. 0.221 moles of SO2 is consumed
OB. 0.266 moles of SO2 is consumed
C. 0.442 moles of SO2 is consumed
D.0.111 moles of SO2 is consumed

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Explain that newton first law,second law and third law of motion?