1.5 kg of fuel....?

Question

is burned on a natural gas grill during a BB-Q. how much heat is released in kcal?

2.)If you use a liter (1000 mL) bottle of oil in your engine, how much heat is produced in kcal? in BTU? to solve this problem you must know the density of motor oil is .82 g/ml

3.)If you eat a 6 oz can (180 g) of tuna with -.2ppm Hg, how much mercury do you ingest?

4.)Complete the DNA strand by pairing the bases with their complements.
ATCAGCCTGA

5.)Calculate the following conversions:
a.)molarity of 15 g of AgNO3 in 100 mL solution
b.)25 mL of 0.5 N NaOH is required to neutrilze 30 mL of an unknown acid solution. what is the normality of the acid?
c.)normality of 1.1 g og H2SO4 in 1 L solution

6.)50 g of sugar (C12 H22 O11) is dissolved in 500 g of water at standard pressure.
a.)how much is the boiling point raised?
b.)how much is the freezing point lowered?

Answer 1

1. 1027 Btu/ft3 * 35.3 ft^3/m^3 * 5kg / 0.8kg/m^3 = 227 kBTU

2. Oil?

3. 2/10^6 * 180g = 0.00036g

4. TAGTCGGACT

OK...that's enough

Answer 2

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