Ihave an unknown volume of gas at a pressure of 0.50 atm a temperature of 325 k. if i raise the pressure to 1.2 atm, decrease the temperature to 230 k, and measure the final volume to be 48 liters, what was the initial volume of the gas

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

What is a metal replacement reaction

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy