In 1932, james chadwick discovered a new subatomic particle when he bombarded beryllium-9 with alpha particles. one of the products was carbon-12. what particle did chadwick discover?

What direction are the groups (families) in the periodic table?

In Lab H2SO4 solution is prepared by dissolving 4.9 grams of H2SO4 in 100mL of water a. How many h2SO4 molecules are in this solution b. What is the molarity of the soltuion c. What is the pH of the solution d. What is the pH of the solution if 3.

Which one is a true statement about endothermic reactions? a: More heat is given off than is put into the reaction. b : The reactants have more heat energy than the products. c: The reaction container always feels hot.

the total number of atoms in 3.20 moles of C2H6O.

Some rocket engines use a mixture of hydrazine (N2H4) and hydrogen peroxide (H2O2) as the propellant system. The RXN is given by the equation: N2H4 + 2H2O2 → N2 + 4H2O a. Which is the limiting reactant in theis reaction when 0.

List the five major pollutants in the United States

The net gain of atp per molecule of glucose fermented is

What is the name of this compound? CH3-CH2-CH2-CH2-O-C6H5 butylphenyl ether cyclohexylbutyl ether phenylbutyl ether butylcyclohexyl ether

Is the following equation balanced? 2Na + 2H2O = 2NaOH + H2 Yes No

What is the difference between a molecule and a formula unit