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mrs_skeptik [129]
2 years ago
8

If I have 7.7 moles of gas at a pressure of 9.12 kPa and a temperature of 56 °C,

Chemistry
1 answer:
Paul [167]2 years ago
6 0

Answer:

C

Explanation:

n= 7.7mol

P= 9120pa

T = 329.15K

PV=nRT

V= nRT/P

V= (7.7×8.314×329.15)/9120

V= 2.308meter cubic

V= 2308L

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A cube has a mass of 27 g and length of 3cm. What is it’s density
serious [3.7K]
D = m/v. v = (3)^3 = 27.
D = 27/27. D = 1g/cm^3
5 0
3 years ago
Read 2 more answers
Peter ate junk food at breakfast and worried about the examination, which combined to give him an annoying case of acid indigest
vova2212 [387]

Answer:

Consumption of Antacid

Explanation:

At breakfast when Peter ate junk food , excess acid could have got released due to which he had got acidity in his stomach. By consumption of Antacid can reduce the effect of acidity because antacid is a mild base. When a mild base reacts with acid it neutralises the effect of acid & hence gives a relief from acidity...

7 0
3 years ago
Which model of the atom is most accurate?
cricket20 [7]

Answer:

it's the electron cloud model

3 0
3 years ago
Which is an example of mechanical weathering?
d1i1m1o1n [39]

Answer:

D

Explanation:

mechanical weathering is the breaking down of a larger rock into smaller ones. A and B are chemical weathering and C is irrelevant.

3 0
3 years ago
(08.02
bogdanovich [222]

Answer:

b. The molarity of the solution increases

Explanation:

The correct answer is option b, that is the molarity of the solution increases.

Because the molarity is the concentration of the solution and it is explained as the amount of solute in amount of solution.

Solution: is the solute dissolved in solvent.

So if we increases the amount of solute in solvent the concentration in terms of molarity of solution increases and if we increase amount of solvent or water then the concentration or molarity increases.

Suppose we have form a sugar solution of 1 L by adding 4 mole of sugar then what happen

Use the Molarity formula

Molarity = no. of moles / 1 L of solution

put values in the formula

Molarity = 4/ 1 L of solution = 4 M

So the molarity of solution is 4 now if we add 2 mole more sugar to the same amount of sugar and amount of solution remain the same

now the no. of moles of sugar = 6 mole

So,

Use the Molarity formula

Molarity = no. of moles / 1 L of solution

put values in the formula

Molarity = 6 mol / 1 L of solution = 6 M

So the correct option is b.

7 0
3 years ago
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