The scientists who developed atomic theory

What is the mass of 5.30 * 1022 formula units of Ba (NO3) 2? 0.09 g 12.0 g 23.0 g 3,130 g

There are 28L of soup in a pot. Marshall serves 400mL in each bowl. If he fills 16 bowls how much soup is left in the pot? in liters

What is the [H+] of a solution with a pOH of 4.60?

Treatment of gold metal with brf3 and kf produces br2 and kauf4, a salt of gold. part a identify the oxidizing agent in this reaction.

The remains of sea organisms are converted to which type of fossil fuel? A:oil B:Uranium C:coal D:yellowcake

Potassium-40 (40k) is a radioactive isotope of potassium (atomic number 19). how many neutrons are located in the nucleus of potassium-40?

Why do alligators need a warm climate? A. They need to live in a place with enough food. B. They cannot produce enough heat to keep their bodies warm. C. They have scales rather than hair, which keeps them too hot. D.

What human body system can be fossilized? Explain

A reaction mixture initially contains 22.02 g Fe2O3 and 14.66 g CO. Assume that the reaction will progress to 100% completion. What mass (in g) of the excess reactant is leftover?

A cylinder at left with balls evenly spaced throughout the cylinder has an arrow leading to a cylinder at right cylinder with balls in a layer at its bottom. Which change of state is shown in the model?