air is made up of mostly O2, N2 and CO2. if the total pressure of the air is 765 mmhg and P (n2) = 600 mmHg and P (CO2) = 38 mmHg then what is the partial pressure of the O2?

How many atoms are In B2H4

Fuel cells are used in many areas, such as the aerospace industry, where energy efficiency is more important than high power output. One fuel cell uses methanol, CH3OH, as a fuel. Predict the ideal bond angle for each of the following: a. H-C-H b.

Why do objects that are under water look closer than they actually are

You spot a friend walking on a moving walkway in an airport. You are not on the walkway and you want to keep up with her. At what speed do you need to walk? A. the speed of the walkway multiplied by the speed at which she is walking B.

How long does a hydrogen bond last in water

Collagen is made of fibers and is found in tendons and cartilage. Collagen contributes to meat toughness and is, therefore, an example of which type of protein?

1. Why does CH30 evaporate faster than water?

How does concentration affect our daily lives in science?

How many nitrogen atoms are in 2.79 mo. of NH3

What is the chemical formula for polysaccharide?