7. The standard with between ruils en North American and most European railroads is 4 8 in. Calculate this distance in a. centimeters b. meters S/ 8. The heat required to raise the temperature of a large cup of water (for coffee) from room temperature to boiling is approximately 100 R. Express this quantity of heat kilocalories. Show your calculations Lo 9. An aspirin tablet has a mass of about 325 mg grains) Calculate the total mass of aspirin tablets in a 500-tablet boule in grims and ounces a. grams nlacehold og Vrous Wiley and Sons DAY b. ounces NT CO 10. A concrete pile from a waterfront pier was pulled from the harbor water at Port Hueneme, California. Its dimensions were 14 in. x 14 in. x 15 (1 i.234 cm). .. What is the surface arcu, cxpressed in square feet of a single free of the pile? Exclude the ends of the pile b. Determine the total surface area, expressed in square meters of the pile, including the ends CBCRIBE c. How many cubic meters of concrete were used to make the pile