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denis23 [38]
3 years ago
6

Give the volume indicated. Be sure to include all significant figures.

Chemistry
2 answers:
miskamm [114]3 years ago
8 0

Answer: -

71

Explanation: -

From the diagram, we see that volume goes from 70 to 75 in 5 markings.

Each marking is for 1.

It is the most accuracy possible as there is no smaller marking.

Significant figures expresses the required amount of accuracy.

Thus the volume indicated from the diagram is 71 .

monitta3 years ago
5 0

Answer:

The answer is actually 71.0 mL. I had this question on an assignment.

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Explanation:

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A sample of 2.00 mol of gas in a 10.00 L container is at 45.0 °C. What is the pressure (in atm) of the gas?
Firdavs [7]

Answer:

5.22 atm

Explanation:

The following data were obtained from the question:

Number of mole (n) = 2 moles

Volume (V) = 10 L

Temperature (T) = 45 °C

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Next, we shall convert 45 °C to Kelvin temperature. This can be obtained as follow:

Temperature (K) = Temperature (°C) + 273

T (K) = T (°C) + 273

T (°C) = 45 °C

T(K) = 45 °C + 273

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Finally, we shall determine the pressure of the gas by using the ideal gas equation as shown below:

Number of mole (n) = 2 moles

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Pressure (P) =.?

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P x 10 = 2 x 0.0821 x 318

Divide both side by 10

P = (2 x 0.0821 x 318) /10

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6 0
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How many grams of copper would have the same number of atoms as 139.82 grams of argon
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Answer:

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steps of divusion if you need it are

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