What is the force that pulls matter in clouds of space dust together to create stars?

Calculate the mass of water produced when 4.86 g of butane reacts with excess oxygen.

3) which is an example of a physical change? a) grinding pepper b) toasting bread c) lighting up a grill d) baking a cake

Are polyatomic ions molecular compounds or ionic compounds?

Beryllium has one more electron than lithium. Can this additional electron fit in the 2s subshell?

Could someone sort these into independent and dependent variables; time taken amount of tablet brand of tablet

The combustion of propane occurs when propane interacts with oxygen gas to produce water and carbon dioxide in the following reaction: C3H8 (g) + 5O2 (g) = > 3CO2 (g) + 4H2O (l) If 2 moles of propane C3H8 (g) react at 373 K in a volume of 2.

If you can walk 2.1 miles in 35 minutes, how many days will take you to con the United States (3350 mi) if you walk 8 hours a day

How many electrons are in 1.01 oz of a pure gold coin?

When glass is spun into fine fibers, the trapped air makes a thermal insulator. A. TRUE B. FALSE

Which has a greater mass: 12 mol of salt (NaCl) or 7 mol of silver (Ag) ?