1. The standard width between rails on North American and most European railroads is 5 ft 9 in. Calculate this distance in meters and centimeters.
2. The heat required to raise the temperature of a large cup of water (for coffee) from room temperature to boiling is approximately 200 kj. Express this quality of heat in kilocalories and British thermal units. Show calculation.
3. An aspirin tablet has a mass of about 500 mg. Calculate the total mass of aspirin tablets in a 300-tablet bottle in grams and ounces.
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1. The standard width between rails on North American and most European railroads is 5 ft...