Which of the following is the least reliable source of background information for a scientific project?

A) general Internet site

B) government Internet site

C) library reserve section

D) scientific journal

The limiting reactant in a reaction a. is the reactant for which there is the least amount in grams b. is the reactant which has the lowest coefficient in a balanced equation c. is the reactant for which there is the most amount in grams d.

How many actual molecules of methane are present in 32 grams of methane?

Nitrogen has a density of 1.17 x 10^-3 g/cm^3. If you have 2,500 cm^3 of nitrogen gas, which of the following is the correct mass of nitrogen, using significant figures? A. 2.92 g B. 2.2 x 10^6g C. 14 x 10^6g D. 2.9 g

Which radioisotope is used to treat thyroid disorders? (1) Co-60 (3) C-14 (2) I-131 (4) U-238

A. What is the atomic weight of one mole of CH4? b. How many moles in 64 grams of CH4?

Which of the following is true of the water molecule? A. It has a linear shape and is polar B. It has a bent shape and is polar C. It has a linear shape and is not polar D. It has a bent shape and is not polar

Calculate the number of repetitions of the β-oxidation pathway required to fully convert a 18-carbon activated fatty acid to acetyl-scoa molecules.

Which of the following is the least reliable source of background information for a scientific project? A) general Internet site B) government Internet site C) library reserve section D) scientific journal

How is an average mass different from a weighted mass

Jared sprayed a pesticide on his garden three times. The first time, many insects died. The second time fewer insects died. The last time very few insects died. What impact did the insecticide have on the species of insects? A.