Sodium is a very reactive metal that reacts with water to produce sodium hydroxide and hydrogen gas. If 12.6 g of sodium reacts with excess water how much hydrogen gas (in grams) can be produced? 

For the following hypothetical reaction how much heat is released in kilojoules (kJ) if 210.0 g of propanol (C3H7OH ) is added to excess oxygen?   

Answer the following questions about what happens when hydrobromic acid (HBr) and calcium hydroxide (Ca(OH)2) react.   

Determine if the following are a strong electrolyte, weak electrolyte, or not an electrolyte.  Potassium hydroxide (KOH) [1] Lactic acid (C3H6O3) [2] Methanol (CH3OH) [3]

Which of the following radiation type will cause pyrimidine dimers to occur?

A lab has a stock solution of 5.50 M hydrochloric acid. A scientist needs 0.500 L of 0.410 M hydrochloric acid, how many milliliters of the stock solution does the scientist need to use? 

What is the oxidation number on the sulfur atom in the polyatomic ion sulfate (SO42-)? 

Passive aggressive tactics to express conflict without engaging in it openly

Power that comes from an individual’s role or title

If 42.0 mL of 0.631 M lead (II) nitrate, (Pb(NO3)2), is reacted with excess potassium chloride, (KCl), how many grams of lead (II) chloride (PbCl2) will be produced?