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tia_tia [17]
3 years ago
10

A sample of nitrogen gas with a volume of 2.55 L is collected at a pressure of 670.0 mmHg. If the temperature is held constant,

what volume will the gas occupy when its pressure is changed to 1450.0 mmHg? plz answer fast

Chemistry
1 answer:
Hoochie [10]3 years ago
5 0

Answer:

U will equate and make V2 the subject

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What is carbon in the lithosphere initially a part of before part of the burning of fossil fuel?
dedylja [7]

Carbon in the lithosphere is held in soil in the form of both organic and inorganic carbon which often as calcium carbonate. Carbon can leave the soil through soil respiration – which releases CO2, or by erosion – which can carry it into rivers or the ocean, where it then enters the hydrosphere.

7 0
3 years ago
Read 2 more answers
If a solution contains 3.00 moles of NaCl in 8.00 liters of water, what is the molarity?
ExtremeBDS [4]

Answer:

0.375 M

Explanation:

molarity = number of moles of solute/ number of L solution = 3.00 mol/8.00 L=

= 0.375 mol/L = 0.375 M

8 0
3 years ago
What is the mass in 0.25 mol of SO2
gulaghasi [49]

0.25 mols SO₂ x 64.058 g SO₂/ 1 mol SO₂ = 16.0145 g SO₂

molar mass of SO₂: 64.058 g

answer: 16 grams of SO₂ (2 sig figs)

check the question to see if its asked for a specific unit for mass (grams or kilograms, if they asked for kiligrams then convert 16 grams to kilograms by dividing it by 1000)


5 0
3 years ago
What is the mass of a sample of pure gold containing 3.00 x 1024 gold atoms?
miss Akunina [59]

Answer: The mass is 980.6g of Gold.

Explanation:

We begin by looking for the number of moles equivalent to 3.0 x 10^24 gold atoms.

Using the Avogadro's number,

6.02 x 10^23 atoms of gold make up 1 mole of gold.

3.0 x 10^24 atoms would make up: 1 / 6.02 x 10^23 x 3.0 x 10^24 = 4.98moles.

Now that we know the number of moles, we can then look for the mass using the formular:

Moles = mass/ molar mass

4.98 = mass / 196.9 (atomic mass of gold)

Making "mass" the subject of formula : mass = 4.98 x 196.9= 980.6g

8 0
3 years ago
A4 kg object is being pulled to the east by a 6 N force. What is the object's<br> acceleration?
Dahasolnce [82]

1.5 ms⁻²

Explanation:

We understand that Force is also given as mass * acceleration;

F = Ma

If force is 6N and the mass is 4kg of the object, the a can be evaluated as follows;

6 = 4a

6/4 = a

1.5 = a

= 1.5m/s²

4 0
3 years ago
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