3. When atoms combine to form molecules, a (blank) change has occurred.

1. How many moles of AgNO3 are in 15.0 g?

An alcohol is 58.80 % C and 9.889 % H by mass. The rest is oxygen. What is the empirical formula of the alcohol? Enter the elements in the order C, H, and then O.

If the products formed from the burning candle are mostly carbon (C), carbon dioxide (CO2), and water (H2O), what elements are the reactants, how do you know?

Many popular beverages are sold in two-kilo bottles. true or false

How might 15% solution of flubber be made

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?