Which is evidence that a chemical reaction has occurred?
a. a phase change occurs
b. a...
Answers: 1
Chemistry, 21.06.2019 22:20
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?
Answers: 2
Chemistry, 22.06.2019 18:30
Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes
Answers: 1
Chemistry, 23.06.2019 10:00
Compare and contrast an assemblage and a pollen fingerprint by defying both and giving examples of each from the chapter.
Answers: 3
Mathematics, 25.09.2019 10:10
Chemistry, 25.09.2019 10:10
Mathematics, 25.09.2019 10:10
Health, 25.09.2019 10:10
Social Studies, 25.09.2019 10:10
Computers and Technology, 25.09.2019 10:10
Biology, 25.09.2019 10:10
Spanish, 25.09.2019 10:10
Mathematics, 25.09.2019 10:10
Biology, 25.09.2019 10:10
English, 25.09.2019 10:10