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VLD [36.1K]
3 years ago
7

CO2 always contains 3g of C for every 8g of O. This is an example of

Chemistry
1 answer:
patriot [66]3 years ago
8 0

Law of Definite Proportions


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A sample of helium gas has a volume of 2.0 L at a pressure of 4.0 atm. What is the volume of gas at 380 mmHg
Lilit [14]
From equation;
P1V1=P2V2
V2=P1V1÷P2
since P2=380mmHg
now;1atm=760mmHg
how about 380mmHg is equal to how many atm?
380×1÷760=0.5atm
P2 now is equal to 0.5atm
back from equation;
P1V1=P2V2
V2=P1V1÷P2
V2=4.0atm×2.0L÷0.5atm
V2=16L
therefore V2=16L.
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3 years ago
Which of the following statements is false?
hodyreva [135]
I can’t see the statements
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3 years ago
How does the addition of salt to solid ice affect the melting transition from solid to liquid?
serious [3.7K]

Answer:

Im sure the answer is c

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3 years ago
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Nonmetal halogen family atmoic mass 35
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chlorine has the atomic mass of 35.5 and is a non metal in the halogen family

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3 years ago
Using the brønsted theory, classify the compounds as either an acid or a base
Natali5045456 [20]

Answer:

all the below are ACIDS

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