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stealth61 [152]
3 years ago
10

9. In a sample of gas, what causes pressure? Answer in a completesentence.

Chemistry
1 answer:
hammer [34]3 years ago
7 0

Answer:

physical properties of gases, that is, pressure, volume, temperature, and amount of gas

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An aqueous solution of 10.03 g of catalase, an enzyme found in the liver, has a volume of 1.05 L at 27°C. The solution's osmotic
-Dominant- [34]

Answer : The molar mass of catalase is, 2.40\times 10^5g/mol

Explanation :

Formula used :

\pi =CRT\\\\\pi=\frac{w}{M\times V}RT

where,

\pi = osmotic pressure  = 0.745 torr = 0.000980 atm   (1 atm = 760 torr)

C = concentration

R = solution constant  = 0.0821 L.atm/mol.K

T = temperature  = 27^oC=273+27=300K

w = mass of catalase = 10.03 g

M = molar mass of catalase = ?

V = volume of solution  = 1.05 L

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

0.000980atm=\frac{10.03g}{M\times 1.05L}\times (0.0821L.atm/mole.K)\times (300K)

M=2.40\times 10^5g/mol

Therefore, the molar mass of catalase is, 2.40\times 10^5g/mol

7 0
3 years ago
What is the hardest subject u ever taking, mine is chemistry
artcher [175]

Answer:

Mine is language arts brainliest?

Explanation:

7 0
3 years ago
Which of the following is the poorest conductor electricity
mojhsa [17]

Answer:

Fluorine

Explanation:

It is a non-metal does not conduct electricity

5 0
3 years ago
Why water is able to stick to the side of a glass
Snezhnost [94]

Answer:

Water uses adhesive forces that allow it to stick to certain surfaces such as glass.

Explanation:

When the angle between vertical direction and the glass wall is small, surface tension is stronger and the component of gravity perpendicular to the glass wall is small. The result of this causes water to stick to the side of a glass.

Hope this helps!

3 0
3 years ago
Read 2 more answers
Help ASAP pleaseeee thank you
Artyom0805 [142]
The correct answer is B. balance
8 0
3 years ago
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