In a sample of 400 lithium atoms, it is found that 30 atoms are lithium-6 (6.0g/mol) and 370 atoms are lithium-7 (7.0g/mol). calculate the average atomic mass of lithium

Facts about newton's third law

What are two roles living things play in soil formation?

What is the volume of 0.2 moles of neon gas at STP?

When cac2 reacts with water, what carbon-containing compound forms? when reacts with water, what carbon-containing compound forms? c2h2 ch4 co h2co3 co2?

How many moles of water, are present in 25.0 g H202

A pump contains 0.5 l of air at 203 kpa. you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of air in the pump? 0.2 l 1.0 l 2.0 l 4.0 l

How can there be snow near a giraffe's home This is actually science so yeah

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