General Chemistry Answers

Dragsters use the fuel Nitromethane (CH₃NO₂: Molar mass 61.04g/1mole). If the engine burns 103.8g of CH₃NO₂ to travel one meter, how many moles of oxygen need to be consumed to cover that distance. 

Reaction: 4CH₃NO₂ + 5O₂ --> 4CO₂ + 6H₂O + 4NO

NaBr vapor pressure conditions

Calculate the mass of water formed when 2.6 moles of hydrogen reacts with excess oxygen gas.

2H2+O2>2H2O

Using the unbalanced equation above calculate the moles of hydrogen iodide vapor produced by 2.8 moles of iodine vapor.

_H2(g) + _l2(g) > _Hl (g)

How many moles of aluminum oxide are produced according to the reaction below given that you start with 13.7 g of Al and 17.8 g of O2?

4Al+3O2>2Al2O3

How many grams is 3.01E24 molecules of N2O4 gas at STP?

Calculate the moles of potassium sulfide formed when 5.4g of potassium gas reacts with excess sulfur.

2 K+S > K2S

How many grams is 5.97E24 molecules of C6H12O6 gas at STP?

How many grams are in 1.40 moles of CO2?

How many grams are in 5.60 moles of SO2?