How many moles are there in 458 grams of Na2SO4?

Write a nuclear equation to represent radium-226 decaying to radon-222 plus an alpha particle.

The equilibrium constant Kc for the equation2H2 (g) + CO (g) ⇌ CH3OH (g) is 35 at a certain temperature. If there are 3.21 * 10-2 moles of H2 and 4.87 * 10-3 moles of CH3OH at equilibrium in a 3.63-L flask, what is the concentration of CO?

How are humans involved in this cycle

Which characteristic is a property of water? A. It is made of polar molecules. B. It has low surface tension. C. It has weak adhesion. D. It is densest as a solid.

martha needs to determine the density of gasoline she has determined the mass to be 1250g and the volume to be 1500ml what is the density of the gasoline

The force that moving, charged particles exert on one another is called? a. Contact force b. Intermolecular force c. Gravity d. Electromagnetic force

Which of the following types of electromagnetic waves has a frequency greater than ultraviolet waves? A) X rays B) infrared waves C) microwaves D) visible light

For each metal complex give the coordination number for the metal species. m (nh34cl2

Particles in a liquid move around just as freely as particles in a solid. True or False

How did aristotles idea of matter differ from that of scientists