6. Problems. Be sure to BALANCE every equation before trying to solve the problems. [Balancing is 1 point; problems are generally 1 point per question] C3H8 + O2  CO2 + H2O

a. How many moles of oxygen gas are needed to react completely with 1.7 moles of propane?

b. How many moles of CO2 are produced if 2.1 moles of water are produced?

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.

so what is the problem with your lab report and whats the subject of the lab report? i will you

every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.