Assume a gallon of gasoline contains 2370.0 grams of octane. How many grams of carbon dioxide would be produced by the complete combustion of the octane in this gallon of gasoline?

Determine the mass of fuel required for the expected energy consumption in the united states for the next ten years. energy use per person per year in the united states = 3.5 x 1011joules base calculations on current population of 310,000,000.

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process