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

What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles