Write the formula for the compound formed between potassium and sulfur. ks ks2 k2s k2so3 k3s2

Which form of energy is converted to thermal energy when propane burns in air? (1) electromagnetic (3) electrical (2) nuclear (4) chemical

Based on its location on the periodic table, which element (s) have properties similar to N? Choose all that apply. * P C O Bi

Pb (NO3) 2 (aq) + HCl (aq)

Convert 970. mm Hg to atm.

An oil refinery plans to separate a mixture that contains propane and octane, shown below, by vaporizing the mixture and then collecting the substances as they cool and condense. 1. Will propane or octane condense at a lower temperature?

If a sealed syringe that contains some gas in heated in which direction will the syringe plunger move

Use the drop‑down menus to label the statements as either true of false. Dichloromethane is flammable. true false Methanol is flammable. Concentrated sulfuric acid is corrosive. 10% sodium carbonate solution must be used in the fume hood.

What is the process all rocks are continuously in during which that can change into other types of rocks

Collagen is made of fibers and is found in tendons and cartilage. Collagen contributes to meat toughness and is, therefore, an example of which type of protein?

1. Why does CH30 evaporate faster than water?