In the following reaction 2c6h6 + 15o2 12co2 + 6h2o how many grams of oxygen will react with 10.47 grams of benzene (c6h6)?

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.

What are several ways to reduce the effect of friction