Atmospheric pressure yesterday was given as 0.875 atm. express this pressure in units of torr and also in kilopascals (kpa), respectively.
a) 665 torr and 8.87 × 104 kpa
b) 665 torr and 88.7 kpa
c) 1.32 × 10−3 torr and 9.87 × 10−3 kpa
d) 869 torr and 88.7 kpa

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4nh3 (g) + 5o2 (g) → 4no (g) + 6h2o (g) also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the following composition: compound pressure at equilibrium nh3 65.1atm o2 31.3atm no 62.7atm h2o 65.8atm compound pressure at equilibrium nh3 65.3 atm o2 7.79 atm no 12.1 atm h2o 65.8 atm calculate the value of the equilibrium constant kp for this reaction. round your answer to 2 significant

The kw for water at 0 °c is 0.12× 10–14 m2. calculate the ph of a neutral aqueous solution at 0 °c.