The identity of an element depends on the number of: a. protons in the atom b electrons in the atom c. protons and neutrons in the nucleus d. neutrons in the atom

Which indicator, when added to a solution, changes color from yellow to blue as the pH of the solution is changed from 5.5 to 8.0?

The half life of protactinium 234 in its ground state is 6.69 h. What fraction of a given amount remains after 26.76 h

The densities of pure water and ethanol are 997 and 789 kg m-3, respectively. For xethanol = 0.35, the partial molar volumes of ethanol and water are 55.2 and 17.8*10-3 L mol-1, respectively.

Why are large companies like Exxon and Mobil suddenly interested in learning more about ionic liquids?

Listen example of how to test a hypothesis using a scientific inquiry

In the reaction, HCl + H2O produces H3O + Cl, what is the conjugate acid

Draw the curved arrow mechanism for the conversion of aniline into benzenediazonium ion, and draw the final product that forms after the benzenediazonium ion is treated with

Sodium chloride is stirred into water to form a solution. in this case, what are sodium chloride and the water?

What can form as a result of a chemical reaction?

A solution of orange juice that weighs 500 g contains liquid juice and solid pulp. All of the pulp is removed from the juice. The pulp is found to weigh 50 g. How much would the remaining liquid juice weigh? A. 50 g B. 250 g C. 450 g D. 500 g