Consider the balanced equation below.
2H2S + 302 - 2502 + 2H2O
Which option gives the correct mole ratios?
HQS SO2 = 2.2 and O2: H2O = 3.2
H2S SO2 = 2.3 and O2 H2O = 3.2
H2S SO2 = 4.4 and O2: H2O = 5.4
H2S SO2 = 4:6 and 02:H2O = 4:4

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6

Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)

Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature