Calculate the annual production of carbon dioxide

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1. A piece of metal weighing 277.0 g is placed in a graduated cylinder containing 227.7 mL of water. The volume of water now reads 258.5 mL. From these data calculate the density of the metal.

2.Answer in scientific notation

Carry out the following conversion:

3.00 × 1010 cm/s to ft/s

3.One gallon of gasoline in an automobiles engine produces on average 9.50 kg of carbon dioxide, which is a greenhouse gas; that is, it promotes the warming of Earth's atmosphere. Calculate the annual production of carbon dioxide in kilograms if there are exactly 40.0 million cars in the United States and each car covers a distance of 7910 mi at a consumption rate of 18.2 miles per gallon. Enter your answer in scientific notation.

4.Be sure to answer all parts.

A slow jogger runs a mile in 13 minutes. Calculate the speed in:

(a) in/s
(b) m/min
(c) km/h

Reference no: EM132776200

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