A block of ice sitting at 0 °C is completely melted by adding 584.5 J of heat to it. If the latent heat of fusion for ice is 334 J/g what is the mass of the ice? Use the below equation to calculate the mass of the ice.

Include two decimal places and do not use units in your answer.

m = Q/HΔf

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