When an atom gains electrons the anion formed is

A. smaller than its parent atom

B. larger than its parent atom

C. the same size as its parent atom

D. Twice the size of its parents

How many grams of coffee must evaporate from 350 g of coffee in a 100-g glass cup to cool the coffee and the cup from 95.0°C to 45.

The wittig reaction involves coupling between a phosphonium ylide and a carbonyl-containing molecule. if a chemist wants to use the wittig reaction to synthesize 2-methyl-2-butene, which reactants should be used?

At equilibrium a mixture of n2, h2, nh3 gas at 500◦c is determined to consist of 0.551 mol/l of n2, 0.400 mol/l of h2, and 0.184 mol/l of nh3. what is the equilibrium constant for the reaction

A solution of H2SO4 (aq) with a molal concentration of 5.74 m has a density of 1.238 g/mL. What is the molar concentration of this solution?

Under which conditions of temperature and pressure would a sample of H2 (g) behave most like an ideal gas? (1) 0°C and 100 kPa (2) 0°C and 300 kPa (3) 150°C and 100 kPa (4) 150°C and 300 kPa

What is an alloy consisting primarily of iron and carbon

How many moles of H2O are there in1.0g of H20?

Which property of gases allows them to be stored at high concentrations in a bottle of air freshener? What changes occur at the molecular level when ice cream melts and forms a liquid?

a gas has a volume of 6 liters and a pressure of 1.5 atm. if the container is compressed to a volume of 2 liters, what will the pressure of the gas be?

When metals react with nonmetals, an ionic compound generally results. what is the predicted general formula?