How many atmospheres correspond to 1050 torr?
Correct answer: C. 1.380
- A. 1.050
- B. 10.38
- C. 1.380
- D. 2.760
Explanation
The torr is a unit of pressure defined as exactly 1/760 of a standard atmosphere. This means to find out the atm corresponding to torr we must divide it by 760. So, 1050/760 we get 1.38 atm.
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Standard temperature and pressure provide reference conditions for gas calculations: 0°C or 273 K and, in the usual school convention, 1 atm pressure. Questions use these conditions to relate pressure, volume, temperature and amount of gas, including the molar volume of an ideal gas, about 22.4 dm³.
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