A sample of nitrogen gas is in a 65.0-L automobile air bag and has a pressure of 745mm Hg. What is the pressure of this sample of gas at the same temperature if it is placed into a 25.0-L bag?
(a) 1940 mm Hg
(b) 5.15 x 10-4 mm Hg
(c) 745 mm Hg
(d) 287 mm Hg

A2.5% (by mass) solution concentration signifies that there is a 2.5 % (by mass) solution concentration signifies that there is blank of solute in every 100 g of solution. of solute in every 100 g of solution

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.

An unsaturated hydrocarbon is a hydrogen-carbon compound with a. a network solid structure b. single bonds c. single bonds in a branched-chain structure d. double or triple bonds