Which of the steps listed above should you follow to create a correct model of a Carbon (C)-14 atom? A.1, 3, 5
B. 2, 4, 5
C. 1,4,6
D.2, 3,6

Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.