Let’s assume that a gallon of gasoline contains pure octane (C 8H 18) and has a density of 0.700 g/mL. When octane is burned, it releases 1,303 kcal/mol of energy. How many kilocalories of energy are released from burning one gallon of gasoline?

Q: The following equation shows the conversion of aluminum oxide to aluminum. How much energy (in kcal)…

A: We have given that a balance chemical equation of Al2O3 to Al as follow                  2 Al2O3 (s)…

Q: A runner burns 2.46×10^3 kJ during a five-mile run. How many nutritional Calories did the runner…

A: A runner burns 2.46 * 10^3 kJ during a five-mile run.  2.46 * 10^3 kJ = 2.46 * 10^6 J To find…

Q: - Q2: A person swimming at 2 miles per hour requires 360 +46 Calories per hour per 100 pounds of…

A: A person swimming at 2 miles per hour requires 360+46 Calories per hour per 100 pounds of body mass.…

Q: How many small calories will a 306-pound athlete consume after running a distance of 575 yards in…

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Q: 2. Convert each of the following energy units: a. 3500 cal to kcal b. 415 J to cal c. 28.00 cal to…

A: 2. a) We know that 1 kcal = 1000cal, so 1 cal=1/1000 kcal . So 3500 cal = 3500÷1000= 3.5 kcal. b)we…

Q: A 0.37 g Cheeto is burned and the heat produced is used to heat 50 grams of water from 22.1 degrees…

A: Mass of Cheeto=0.37 g Mass of water=50 g Initial temperature =22.1°C  Final temperature=34.4°C…

Q: Perform the conversions between energy units. J 558 kJ = kJ 2565 kcal = kcal 8.63 x 106 J =

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Q: On a 16.5 ounce bag of potato chips, the manufacturer states that the single serving is one ounce,…

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Q: How many calories are in 6901 J ?

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Q: O=C=0 carbon dioxide maldehyde methane

A: Potentail energy high means less stable or vice versa Formic acid is highest stanble compound due to…

Q: A runner burns 2.56 x10^3 kJ during a five mile run how many nutritional calories did the runner…

A: Given : energy burned in KJ = 2.56 X 103 KJ

Q: When 1.0 g of gasoline burns, it releases 11 kcal of heat. The density of gasoline is 0.74 g/mL. a.…

A: It is given that:Mass of gasoline = 1.0 gAmount of heat released = 11 kcalDensity of gasoline = 0.74…

Q: a person practicing yoga for one hour burns 285 kilocalories (kcal), how many joules (J) of energy…

A: 1kcal=4184joule 285kcal= 285×4184= 1192440joule

Q: If an athlete expends 2241 kJ/h, how long does she have to play to work off 1.00 lb of body fat?…

A: The solution is given below -

Q: How many calories are required to increase the temperature of 13g of alcohol from 11 degrees celsius…

A: q = mc∆T Where q = heat required  c = specific heat  ∆T = change in temperature

Q: 9.69 x 10^6 J = ? Kcal

A: Given :-  energy = 9.69 x 106 J  To convert :-  The above energy in Kcal

Q: Carbohydrates serve as a vital source of chemical energy to the human body. Carbohydrates are broken…

A: Given,Energy = 187kJ.

Q: A person uses 587 kcal of energy to run a race. Convert the energy used for the race to the…

A: A person uses 587 kcal of energy to run a race .Here we have to convert the energy in the given…

Q: Convert 27.0 kJ to calories. Hint: Notice the little c in calories. 1 calorie = 4.184 joules 1…

A:

Q: 3. If burning 1 gram of cornflake (in a calorimeter) caused the temperature of 23.0°C water (100 mL)…

A: Hii there, As there are multiple question posted. we are answering first question. If you need…

Q: A marshmallow is burned in a soda can calorimeter, and heats up 0.255 kg of water by 12.9°C. The…

A: To calculate the mass of sugar ( which is type of carbohydrate ) , we would first calculate the heat…

Q: Brad tries out a weight-loss plan that involves repeatedly lifting a 41.4-kg barbell from the floor…

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Q: In the US, nutritional energy is reported in Calories (Cal). One nutritional Calorie is equal to one…

A:

Q: omplete the following table. Be sure each of your answer entries has the correct number of…

A: Food Energy content when eaten   calorie (cal) kilo calorie (kcal) kJ a slice of cooked…

Q: How much heat in kcal must be added to 0.68 kg of water at room temperature (20°C) to raise its…

A: Given that,Mass of water = 0.68KgWater is at room temperature (T1) = 20 degree CelsiusThe…

Q: 3. To the cooled anhydrate, CuSO4, of Part I, a student added about 5 mL of distilled water and then…

A: we are discuss whether the rehydration of copper(II) sulphate exothermic or exothermic process.

Q: The combustion of propane (C 3H 8) with O 2 according to the given balanced chemical equation…

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Q: The Nutrition Facts label on a full-fat yogurt lists the following amounts per 200 g serving: 10 g…

A: Amount of energy released from the digestion of per gram of sugar = 4 calories Amount of energy…

Q: One pound of body fat releases approximately 4500 kcal of energy when it is metabolized. How many…

A: This can be calculated by first changing the calories into joules and then equating it with the…

Q: Running at a rate of 6 mi/h uses 668 Calories in an hour. Convert this value to  (a) cal/h  and…

A:

Q: the recommened caloric intake for a 20-year-old women is 2000. How many calories should her…

A: Total reccomend daily intake of calories 2000 and require percentage is 45%  So percentage = given…

Q: calculate the heat, in kcal, required to raise the temperature of 35.6 g of water from 10 degrees…

A: The heat capacity of water states that when the temperature of 1 g of water is raised by 1 degree…

Q: A 0.82 g corn chip burns and heats 50 g of water from 22.1 degrees C to 27.8 degrees * C . If 0.23 g…

A:

Q: One hour of bicycle racing can require 500-900 kcal of energy, depending on the speed of the race,…

A: Given : Amount of energy required = 650.0 Kcal/hr 1 Kcal = 4.184 KJ Time of cycling = 175 mins  And…

Q: ai yas, or methane, is an important fuel. Combustion of one mole of methane releases 802.3…

A: Joule is the SI unit of work. Joule is defined as the amount of energy transferred to an object when…

Q: A fuel is analyzed and found to contain 80% C, 14% H, 5% S and the balance being N. What is the HCV…

A: A numerical problem based on energy that is to be accomplished.

Q: Perform the conversions between energy units. 633 kJ = 2325 kcal %3D kJ 9.01 x 10 J = kcal

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Q: How many calories of energy correspond to 28.4J ?

A: 1. In physical chemistry, for the measurement  of total energy, we have to use some important units…

Q: An economy car uses 1.00gal of gas to go 31miles. What its fuel rating 3 ln km/L?

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Q: A person uses 448.6 kcal of energy to run a race. Convert the energy used for the race to the…

A:

Q: . What is the heat of combustion for 2-methylhexane in kcal/gram?  kcal/gram How much heat will be…

A: MgF2 ⇌ Mg2+ + 2F8 C7H16 + 11 O2 →7CO2 + 8 H2O  Heat of combustion = 1.150×103 KCal\Mol  1.150 × 103…

Q: Natural gas, or methane, is an important fuel. Combustion of one mole of methane releases 802.3…

A:

Q: Suppose that a person eats a diet of 2383 Calories per day. Convert this energy into kilowatt-hours.

A: In generally power is given by kWh so the calories of energy is cavorted as kWh by below,

Q: 7. (2-step conversion) Howmany calories (cal) in 73.2 kilocalories (kcal) ?

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Q: A packet of soup has the following nutritional information (250 mL of soup =235 kj) How would that…

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Q: How many kilocalories does a runner expend when he runs for 3.0 h and uses 620 Cal/h? How many…

A: Total Energy expended by the runner  Energy expended in 1 hour = 620 calories  Energy expended in 3…

Q: It has been found that fat makes up 14%  of a 170 -lb person’s body weight. One pound of body fat…

A: Given : Mass percent of fat in body = 14 % Mass of body of person = 170 lbs. Total energy required…

Q: 1.345 kcal = ____ J

A: Given :- energy = 1.345 kcal  To calculate :- energy in J

Q: A person uses 411.3 kcal of energy to run a race. Convert the energy used for the race to the…

A: Energy used = 411.3 kcal

Q: A man and his wife bought a 10.00 oz steak that contains 569 Calories and cooked his steak for their…

A: