How many grams of oxygen are required to react with 10.0 grams of octane (C8H18) in the combustion of octane in gasoline?

What is 10^-8 + 10^-7

If we react H2O with Cl2, So HClO will form or HOCl H2O+Cl2 HOCl+HCl OR H2O+Cl2 HClO+HCl Which one is the right equation?

A 0.784 g sample of magnesium is added to a 250 ml flask and dissolved in 150ml of water. magnesium hydroxide obtained from the reaction required 215.0 mL of 0.300 M hydrochloric acid to completely react. How many moles of Mg were used?

What is the maximum volume of a 0.788 M CaCl2 solution that can be prepared using 85.3 g CaCl2?

What amount of moles does 60.5 L of carbon dioxide occupy at 2.15 atm and 25 degrees C? 4.3 moles 5.3 moles 9.3 moles 2.5 moles

What is the ph of an aqueous solution with [h3o+] = 4*10-13 m?

What are called protons? give examples?

How many grams are in 3 moles of Nal?

What happens if a part of a system fails us?

Adding heat energy causes molecules to slow down. true or false?