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Tema [17]
3 years ago
6

At what temperature does a gas at 1.00 atm and 20 degree Celsius have a pressure of 4.00 atm.

Chemistry
1 answer:
vfiekz [6]3 years ago
7 0

Answer:

P1 =4 atm

T1= 20°C

P2=1 atm

T2=?

According to Gay-Lussac's Law or Third Gas Law,

P1T2=P2T1

4×T2=1×20

T2= 20/4

T2= 5°C

Answer At 5°C temperature does a gas at 1.00 atm !

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Which of these is a base?<br> A. HCI<br> B. Vinegar<br> C. HNO 3<br> D. Ammonia
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Calculate the empirical formula for each natural flavor based on its elemental mass percent composition.
algol [13]
The complete question is;
Calculate the empirical formula for each of the following naturalflavors based on their elemental mass percent composition.

Q1)
methyl butyrate (component of apple taste andsmell):  C -58.80 %  H- 9.87 % 
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empirical formula is the simplest ratio of whole number of elements in the compound. as the percentages have been given, lets calculate for 100 g of compound 
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mass                             58.80 g                  9.87 g                   31.33
molar mass                   12 g/mol                 1 g/mol                 16 g/mol
number of moles           58.80/12                9.87/1                    31.33/16
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then divide number of moles by least number of moles - 1.95 in this case
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next multiply by 2 to get numbers that can be rounded off to whole numbers
                                       2.51x2 = 5.02        5.06x2 = 10.12      1x2 = 2
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Q2) for this too since elemental composition has been given in percentages lets calculate for 100 g of compound 
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mass                               63.15 g                5.30 g                 31.55 g
molar mass                     12 g/mol              1 g/mol                16 g/mol
number of moles             63.15/12             5.30/1                  31.55/16
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multiply each by 3 to get numbers that can be rounded off to whole numbers
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<h2>Answer:</h2>

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8 0
3 years ago
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