Determine the mass, in grams, of 2.6 moles of angelic acid , C5H802

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?

An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.