Why is the air pressure greater on the mountain top

How many protons are contained in the nucleus of the atom?

Vrite skeleton equations for the following word equations. I. hydrogen (g) + bromine (g) → hydrogen bromide (g)

When heat, light, or sound is given off or absorbed, is it a chemical change, chemical property, physical change, or physical property?

Calculate the vapor pressure at 50°c of a coolant solution that is 52.0:48.0 ethylene glycol-to-water by volume. at 50.0°c, the density of water is 0.9880 g/ml, and its vapor pressure is 92 torr.

What is the main reason for processing coal ore? A) To increase heating value B) To remove inorganic material C) To eliminate pollution of groundwater D) To recover other valuable minerals from the ore

Which temperature represents the highest average kinetic energy of the particles in a sample of matter? A) 298 K B) 267 K C) 27 degrees Celsius D) 12 degrees Celsius

Give me the summary of the movie "interstellar" in your own words.

The discovery of the sixth quark was accomplished by

When pure sodium hydroxide is dissolved in water, heat is evolved. In a laboratory experiment to measure the molar heat of solution of sodium hydroxide, the following procedure was followed. To a calorimeter containing 3.00 * 10^2 g of water at 20.

Calculate the volume of a 2.0 molar aqueous solution made from 14 miles of K2S