What is the percent yield if 15,5 g of NH 3 is produced upon reaction of 65.5 g of CaCN 2 and 451 g of water? The molar mass of CaCN 2 is 80.11g / m * o * l and the molar mass of CaCO 3 is 100.09g / m * o * l

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide