A sample of gas in a balloon has a temperature of (+ 23.1oC), a current volume of 15.93 L and a pressure of 763 mmHg. If the balloon rises in the atmosphere and takes on a new volume of 45 .00 L at a pressure of 720 mmHg, what is the temperature at this altitude?

516°C is the temperature at this altitude.

Explanation:

The combined gas equation is,

where,

= initial pressure of gas in balloon = 763 mmHg

= final pressure of gas in balloon= 720 mmHg

= initial volume of gas in balloon= 15.93 L

= final volume of gas in balloon= 45.00L

= initial temperature of gas in balloon=

= final temperature of gas in balloon= ?

Now put all the given values in the above equation, we get:

516°C is the temperature at this altitude.

describe matter a earth

a. the law of proportion states the combination of 2 atoms in a specific ratio to produce multiple compounds such as the given statement of question ‘1st compound contains 88.8 % cu ’ indicates 88.8 g of cu is present along with 11.2 g oxygen in 100 g of compound whereas the statement ‘2st compound contains 79.9 % cu ’ indicates 79.9 g of cu is present along with 20.1 g oxygen in 100 g of compound

1st compound contains 88.8 g cu

for cu

m = 63 g /mol

atomic % = 88.8 /63 = 1.42

for o

m = 16 g /mol

atomic % = 11.2 /16 = 0.7

b. the emperical formula of 1st compound is

cu1.4o0.7

cu2o