When a sample of aluminum with a mass of 23.625g is placed in a graduated cylinder with 22.69 ml of water the volume is raised to 31.44ml what is the density of the metal

The phosphate functional group in the non cyclic amp molecule answer

the reaction Br2 (l) - >Br2 (g) has a deltaH=30.91 kJ and a deltaS=.0933 kJ/K. at what temperature does this reaction become spontaneous? Below this temperature, is the forward reaction or the backward reaction favored?

A sample of hydrated magnesium sulfate has a mass of 4.052 g. After it is heated, it has a mass of 1.979 g. What is the percentage by mass of water in the hydrate?

In an exothermic reaction at equilibrium, what is the effect of lowering the temperature? A. The reaction makes more products. B. The reaction makes more reactants. C. The reaction is unchanged.

How is oxygen and nitrogen alike

How many molecules of H2S are required to form 79.0 g of sulfur

How many grams of potassium iodide, KI, are required to make 2.0 L of a 0.1M solution

Which term refers to an electrochemical cell that produces an electric current? A) electrolyte B) voltaic cell C) electrolytic cell D) cathode

How can you determine the valence electrons in an electron configuration?

Methods used to reduce sulfur dioxide emissions from smokestacks are an attempt by humans to A lessen the amount of insecticides in the environment B eliminate diversity in wildlife C lessen the environmental impact of acid rain D use non chemical