What makes some collisions elastic and others inelastic

Made up of groups 1,2 and 13,18

Oxygen is in group 16 of the periodic table. An oxygen ion (O2-) has a charge of - 2. Which of the following would be most likely to combine with an oxygen ion to form a new compound? A. a calcium ion with a charge of + 2 B.

Compute the end-to-end separation (direct distance between molecule ends), in Angstroms, of a coiled PVC molecule with a number-average molecular weight of 256,131 g/mol, given that the tetrahedral bond angle is 109.

Name a way prokaryotic and eukaryotic cells are different.

Balance this chemical equation K₂S + CocI2 KCl + Cos

If you wanted to study the science of describing, naming, and classifying organisms, what would you study?

The specific heat of silver is 0.234 j / (g·c). calculate the amount of energy that is needed to raise the temperature of 175 g of silver from 22.5°c to 40.0°c.

Gypsum is hydrated calcium sulfate. a 4.89 g sample of this hydrate was heated. after the water was removed, 3.87 g anhydrous calcium sulfate remained. determine the formula of this hydrate and name the compound.

A chemical reaction produces CO2 (g). If 44 g is produced at 1.0 atm and 25°C, what volume will the gas occupy? (Assume that CO2 behaves as an ideal gas under these conditions.

What is the smallest carbohydrate called?