A sample of monatomic chlorine is traveling through a tube at the rate of 25m/s, what is the chlorine's KE? (Mass of CL=35.45g/mol)

Calculate the concentration of H3O + of a solution if the concentration of OH - at 25°C is 3.8 * 10-5 M and determine if the solution is acidic or basic.

Suggest how blowing oxygen into molten cast iron removes most of the carbon

Explain why we did not see distinct lines (like on an emission spectrum) when the metal salts were burned.

What is another galaxie we know of other than the milky way

Which of the following reactions yield an alcohol as the major organic product? Select all that apply. A. Reaction of a ketone with H2 and Pd B. Hydrogenation of an alkene C. Hydroboration-oxidation of an alkene D.

Hydrochloric acid is purchased in 12 molar concentrations. If I needed 200 ml of 2.0 molar HCl, how many milliliters of the concentrated solution would I need

Which of the following represents a chemical change? Bending a wire Freezing of water Fireworks exploding Melting of a wax candle

5.00 L of a gas is collected at 100K and then allowed to expand to 20.0 L. What must the new temperature be in order to maintain the same pressure? A. 400 °C B. 127 °C C. 223 °C D. 627°C

Before the initial explosion was the matter hot or cold

Which of the following atoms has seven valence electrons? chlorine (Cl) nitrogen (N) manganese (Mn) oxygen (O)