If one object has more mass than another then it weighs more or less than the other object?

A gas cylinder contains 1.35 mol He, 2.50 mol Ne, and 2.30 mol Ar. If the total pressure in the cylinder is 2110 mmHg, what is the partial pressure of each of the components? Assume constant temperature.

Devise a detailed experimental procedure to purify ~ 20 grams of benzoic acid that is contaminated with sodium chloride. Justification of the steps (including solubility calculations) that are included in the procedure.

How is the atomic number related to core electrons?

A solution was prepared by dissolving 0.05000 mol of sucrose in 100.0 kg of water. Find the molality of the solution.

How are solutions different from other mixtures? A.) Solutions are heterogeneous mixtures B.) each component of a solution can be seen clearly C.) one component of a solution dissolves in another D.) Solutions do not contain more than one element

Which is the most practical argument for the continued funding of space exploration? a) Space exploration will one day show whether life exists on other planets in star systems similar to ours.

33 protons 36 electrons 45 neutrons

The periodic table includes all of the known elements in the world. how are elements arranged on the periodic table?

The pOH of a solution is 13.28. What is the [OH]

If you can choose any animal in the world to be, what animal would you choose. (I'd be a wolf or a dog, mostly a wolf)