2cucl2 + 2 nano3 > cu(no3)2 + 2 nacl
if 15 grams of copper (ii) chloride react with 20 grams of sodium nitrate, how many grams of nacl is formed

What is a scientific theory? a. a scientist's guess about how something works b. the results of an experiment obtained using the scientific method c. a proven fact that will never change d. an idea that is backed by data from many sources

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull