How many moles of CO 2 are there in a 50.0 dm sample of the gas at a pressure of 100.0 kPa and a temperature of 50.0°C? a. 1.86 moles
b. 1.20 moles
c. 2.0 moles
d. 12.0 moles

Identify the balanced chemical equation that represents a decomposition reaction. p4 + 3o2 ⟶ p2o3 2fe(oh)3 ⟶ 2feo3 + h2o cuso4 ⟶ cuo + 2so3 2fe(oh)3 ⟶ fe2o3 + 3h2o

Suppose you got a low yield of benzoin from your benzoin condensation reaction and thus only have 0.300 g of benzoin to use as the starting material for this reaction. how much concentrated nitric acid should you add? (concentrated nitric acid is 15.8 m). write your answer in the form x.xx ml

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?