Multiple ChoiceAn energy efficient refrigerator uses 780 kWh of electrical energy per year. How many kilocalories of electricity does it use in three years?1045views9rankHas a video solution.

Textbook QuestionDiscuss the changes in the potential and kinetic energy of a roller-coaster ride as the roller-coaster car climbs to the top and goes down the other side.237viewsHas a video solution.

Textbook QuestionIndicate whether each of the following statements describes potential or kinetic energy: c. the energy in a lump of coal132viewsHas a video solution.

Textbook QuestionIndicate whether each of the following statements describes potential or kinetic energy: b. kicking a ball267viewsHas a video solution.

Textbook QuestionUsing the energy values for foods (see TABLE 3.7), determine each of the following (round off the answer for each food type to the tens place): d. the grams of fat in one avocado that has 405 kcal, 13 g of carbohydrate, and 5 g of protein380viewsHas a video solution.

Textbook QuestionUsing the energy values for foods (see TABLE 3.7), determine each of the following (round off the answer for each food type to the tens place): a. the total kilojoules in two tablespoons of crunchy peanut butter that contains 6 g of carbohydrate, 16 g of fat, and 7 g of protein561views1rankHas a video solution.

Textbook QuestionFor dinner, Charles had one cup of clam chowder, which contains 16 g of carbohydrate, 12 g of fat, and 9 g of protein. How much energy, in kilocalories and kilojoules, is in the clam chowder? (Round off the answer for each food type to the tens place.)373viewsHas a video solution.

Textbook QuestionA patient receives 3.2 L of intravenous (IV) glucose solution. If 100. mL of the solution contains 5.0 g of glucose (carbohydrate), how many kilocalories did the patient obtain from the glucose solution?595viewsHas a video solution.

Textbook QuestionWhat is a catalyst, and what effect does it have on the activation energy of a reaction?287viewsHas a video solution.

Textbook QuestionIf a catalyst changes the activation energy of a forward reaction from 28.0 kcal/mol to 23.0 kcal/mol, what effect does it have on the reverse reaction?262viewsHas a video solution.

Textbook QuestionUsing energy values from TABLE 3.8, determine each of the following: d. If expending 3500 kcal is equal to a loss of 1.0 lb, how many days will it take Charles to lose 5.0 lb?140viewsHas a video solution.

Textbook QuestionUsing energy values from TABLE 3.8, determine each of the following: c. If Charles consumes 1800 kcal per day, he will maintain his weight. Would he lose weight on his new diet?244viewsHas a video solution.

Textbook Questionb. For the amount of exercise that Charles did for one week in part a, if expending 3500 kcal is equal to a loss of 1.0 lb, how many pounds did he lose?323viewsHas a video solution.

Textbook QuestionFor the unbalanced combustion reaction shown, 1 mol of ethanol, C2H5OH, releases 327 kcal (1370 kJ): C2H5OH + O2 → CO2 + H2O If the density of ethanol is 0.789 g/mL, calculate the combustion energy of ethanol in kilocalories/milliliter and kilojoules/milliliter350viewsHas a video solution.

Textbook QuestionA 70.0-kg person had a quarter-pound cheeseburger, french fries, and a chocolate shake. (3.5) d. Using TABLE 3.10, determine the number of hours of running needed to burn off the kilocalories in this meal.276viewsHas a video solution.Textbook QuestionThe relationship between the nutritional unit for energy and the metric unit is 1 calorie = 1 kcal. a. One donut contains 350 Calories. Convert this to calories and joules.266viewsHas a video solution.Textbook QuestionWhen a 0.66-g sample of olive oil is burned in a calorimeter, the heat released increases the temperature of 370 g of water from 22.7 °C to 38.8 °C. What is the energy value for the olive oil in kcal/g? (3.5, 3.6)409viewsHas a video solution.Textbook QuestionWhen 1.0 g of gasoline burns, it releases 11 kcal. The density of gasoline is 0.74 g/mL. (3.4, 3.6) b. If a television requires 150 kJ/h to run, how many hours can the television run on the energy provided by 1.0 gal of gasoline?324viewsHas a video solution.Textbook QuestionA patient is receiving 3000 mL/day of a solution that contains 5 g of dextrose (glucose) per 100 mL of solution. If glucose provides 4 kcal/g of energy, how many kilocalories per day is the patient receiving from the glucose?325viewsHas a video solution.Showing 19 of 19 practiceMore practice (0)

Textbook QuestionThe relationship between the nutritional unit for energy and the metric unit is 1 calorie = 1 kcal. a. One donut contains 350 Calories. Convert this to calories and joules.266viewsHas a video solution.

Textbook QuestionWhen a 0.66-g sample of olive oil is burned in a calorimeter, the heat released increases the temperature of 370 g of water from 22.7 °C to 38.8 °C. What is the energy value for the olive oil in kcal/g? (3.5, 3.6)409viewsHas a video solution.

Textbook QuestionWhen 1.0 g of gasoline burns, it releases 11 kcal. The density of gasoline is 0.74 g/mL. (3.4, 3.6) b. If a television requires 150 kJ/h to run, how many hours can the television run on the energy provided by 1.0 gal of gasoline?324viewsHas a video solution.

Textbook QuestionA patient is receiving 3000 mL/day of a solution that contains 5 g of dextrose (glucose) per 100 mL of solution. If glucose provides 4 kcal/g of energy, how many kilocalories per day is the patient receiving from the glucose?325viewsHas a video solution.