Is water the only thing that has surface tension?

Suppose that your experimental formula is mg2o3. what are the implied charges on the ions in mg2o3? do these charges agree with those expected from trends in the periodic table? explain.

A mixture of 0.220 moles co, 0.350 moles n2 and 0.640 moles ne has a total pressure of 2.95 atm. what is the pressure of co? a. 1.86 atm b. 0.649 atm c. 0.536 atm d. 1.54 atm e. 0.955 atm

3.) Why was the crucible placed in a drying oven overnight?

Use the data in the table above to calculate an approximate ΔH∘ in kilojoules for the synthesis of hydrazine from ammonia: 2NH3 (g) + Cl2 (g) ⟶N2H4 (g) + 2HCl (g) Express your answer to two significant figures and include the appropriate units.

Which is generally true of enzymes in cells? A) Enzymes allow reactions to proceed at body temperature. B) Enzymes require co-enzymes to be effective. C) Enzymes are organic compounds that the body needs in small amounts.

A canister of acetylene has a volume of 42 L. The temperature of the acetylene is 305 K and the pressure is 780 torr. Determine the amount of gas in the canister

In terms of the scientific method, the purpose of an experiment is: form a hypothesis test a hypothesis form a conclusion develop data

Which layer of the earth can only be studied by indirect means

Is Euglena heterotroph or autotroph

What is the mass of 5000. atoms of silicon