Caculate the mass of oxygen needed to burn 175.0grams of octane

In a 1.0-liter container there are, at equilibrium, 0.10 mole h2, 0.20 mole n2, and 0.40 mole nh3. what is the value of kc for this reaction at this temperature

How can you use the physical properties of substances to separate mixtures?

if a carbon atom is bonded to two hydrogen atoms and two carbon atoms which type of bond must exist between the carbon atoms

What is the chemical compound name for CuI?

Why is it important that there be no gaps around the edges of the filter paper during a vacuum filtration? explain your reasoning?

What is the pH of a solution that has a H + concentration equal to 1.7 x 10-5 M? 5.20 0.22 10.20 4.77

4 Compared to the energy and charge of the electrons in the first shell of a Be atom, the electrons in the second shell of this atom have (1) less energy and the same charge (2) less energy and a different charge (3) more energy and the same charge

Chemical systems in nature tend to undergo changes toward

What energy drives the rock cycle that makes it work?

Who wants to hang out?