Monday
October 20, 2014

Homework Help: Check my answered questions.

Posted by Lizy on Friday, May 2, 2008 at 3:36pm.

For the combining gas law P1V1/T1=P2V2/T2 home work assignment I did three answers on my own and would like you to check them if they are right. If for some reason the answers that I provided don't seem correct please provide me with the right answers.



P1V1/T1=P2V2/T2


For number 1 these are the answers that I provided.


P1V1/T1=P2V2/T2

P1 was 600 mm Hg and underneath it was a blank box. In the blank box I plug in the answer 700 atm because the answer had to be rounded to the hundredths place.

V1 was 24 mL and underneath it was a blank box in which I plug in 4000 L as my answer because the answer that I got needed to be rounded to the thousandths place and that was how I got my answer.

T1 was 18 C and underneath it was a blank box in which I plug in 291 K as my answer because I used 273 + 18= 291 as my answer.

P2 was 430 mmHg and underneath it was a blank box in which I plug in the answer 500 atm because the regular answer that I got had to be rounded to the nearest hundredths place and that was how I got 500 atm as my answer.

V2 was a ?

T2 was 24 C and underneath it was a blank box. I used 273 + 24 C = 297 K as my answer.



For number 2 these are the answers that I provided.


P1V1/T1=P2V2/T2


P1 was a ?

V1 is 1.6 L.

T1 was 25 C and underneath it was a blank box. I used 273 + 25 C = 298 K as my answer.

P2 was 1.2 atm.

V2 was 2.2 L.

T2 was 10 C and underneath it was a blank box in which I plug in 7 K as my answer after I rounded my regular answer to the ones place.


For number 3 these are the answers that I provided.


P1V1/T1=P2V2/T2

P1 was 95 kPa and underneath it was a blank box in which I provided 100 atm as my rounded answer to the hundredths place.

V1 was 224 mL and underneath it was a blank box in which I plug in the answer 1000 L as my rounded answer to the thousandths place.


T1 was 374 K.

P2 was 125 kPa and underneath it was a blank box in which I plug in the answer 700 atm as my rounded answer to the hundreds place.

V2 was 450 mL and underneath it was a blank box in which I plug in the answer 6000 L as my rounded answer to the thousandths place.

T2 was a question mark and underneath it was a blank box but I provided 7 as my rounded answer to the ones place.


How do I combine the gas law for these questions.

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