The heat of vaporization of water is 40.66 kj/mole. How much heat is absorbed when 2.74 g of water boils at atmospheric pressure?
- For combustion at the burner, one mole propane consumes 5 moles oxygen from air. How much air does it draw through the burner tubes?
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- The reduction half-reaction of 3SO4 + 3H2O +(ClO3)- -> 3SO4-2 +6H+ +Cl- is?
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- A scientific law is _____.?
- Which substance was developed by chemists? (A) nylon (B) aspirin (C) silk?
- The average aspirin tablet contains 5 grains of acetyl salicylic acid. How many gr of ASA are in a 120-tablet bottle of aspirin?
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- How many ml in half a pint of milk?