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tresset_1 [31]
2 years ago
13

2. The gas from an erupting volcano had the following composition: 494 torr CO₂, 0.054 atm HCI, 0.028 atm HF, 0.017 atm 50₂. 0.7

6 mmHg H₂5, and H₂. If the total pressure is 1.00 atm, what is the partial pressure of H₂?
3. When a 10L balloon is heated from 22.0°C to 97.0°C, to what volume does it inflate?

4. Calculate the pressure of a gas in a 205 mL container at 0.0°C when the container was initially at a volume of 300.0 mL and a pressure of 1.05 atm
Chemistry
1 answer:
BARSIC [14]2 years ago
8 0

Answer: The gas from an erupting volcano had the following composition: 494 torr CO₂, 0.054 atm HCI, 0.028 atm HF, 0.017 atm 50₂. 0.76 mmHg H₂5, and H₂. If the total pressure is 1.00 atm, what is the partial pressure of H₂?

Explanation:

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Complete each of the definitions with the appropriate phrase. Precision means that measurements are close to Accuracy means that
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Answer: Precision means that measurements are close to each other . Accuracy means that measurements are close to accepted value

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Precision refers to the closeness of two or more measurements to each other.  

For Example: If we weigh a given substance five times and you get 5.0 kg each time. Then the measurement is very precise.

Accuracy refers to the closeness of a measured value to a standard or known value.

For Example: If the mass of a substance is 5.0 kg and one person weighed 4.9 kg and another person weighed 3.9 kg. Then, the weight measured by first person is more accurate.

Thus Precision means that measurements are close to each other . Accuracy means that measurements are close to accepted value.

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