1 point
How many joules of heat are required to raise the temperature of 50 g of
water from 100 C to 160 C? (Use 1 sig fig and label your units)

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false