Given the calculation: 17.72 - 4.232 - 9.1 = ? What is the answer reported to the correct number of significant figures?
A) 4.388
B) 4.38
C) 4.39
D) 4.4
D
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Indicate whether the statement is true or false.
Air pollution in Tehran ________
A) is caused primarily by vehicles unequipped with pollution control technology B) is caused mainly by very high levels of CFCs and acid deposition C) comes primarily from burning fuel wood D) has been reduced by 90% thanks to strict air pollution laws E) is far less serious than in Los Angeles
Metabolism of one mole of glucose, C6H12O6, releases 6.70 x 10^2 kcal. How much heat is released by the combustion of 50.0 g of glucose?
A) 186 kcal B) 201 kcal C) 2.23 x 10^3 kcal D) 2.41 x 10^3 kcal
The air temperature in a high pressure system can be either hot, cold, warm, or cool, that is—having high or low pressure conditions does not always directly relate to the temperature conditions
Indicate whether the statement is true or false