Chemistry, 20.01.2022 01:00 skyvargasov9cad
6.
The volume of a gas is increased from 0.5L to 4.0 L while the temperature is held constant. The
pressure of the gas:
The
A. increases by a factor of four
B. decreases by a factor of eight
C. increases by a factor of eight
D. increases by a factor of two
Answers: 2
Chemistry, 21.06.2019 14:10
Which of these will change if the air in aclosed bottle is heated? abcdthe mass of the airthe composition of the airthe air pressure in the bottlethe number of air molecules in the bottle
Answers: 3
Chemistry, 22.06.2019 04:00
Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?
Answers: 3
Chemistry, 22.06.2019 12:10
Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution.calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.
Answers: 1
6.
The volume of a gas is increased from 0.5L to 4.0 L while the temperature is held constant. The...
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