When 1.0 g of gasoline burns, it releases 11 kcal. The density of gasoline is 0.74 g/mL. How many megajoules are released when 1.0 gal of gasoline burns? 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?

Q: A 1423 kg car is traveling down the road at 94.2 km/h. While traveling at this rate of speed, what…

A: The kinetic energy of any moving objects is 12mv2, where m is the mass of the object and v is the…

Q: An adult eats food whose nutritional energy totals approximately 2100 CalCal per day. The adult…

A: Given nutritional energy = 2100 cal Calories burnt = 1800 cal

Q: How many calories of heat (energy) would it take to heat 25.0 g of water from 35.0 °C to 45.0 °C?…

A: Given, Mass of water(m)= 25g Final temperature = 45°C Initial temperature = 35°C Temperature…

Q: When 33.6 g of aluminum is warmed from 23.0°C to 28.6°C, how many calories of heat does it require?

A: The formula in which the calories will be calculated - Given data, Mass, m = 33.6 g c (Specific…

Q: A calorimeter is charged with 57.9 mL of water at 25.0 °C. After a reaction takes place in the…

A: Given, Volume of water = 57.9 mL Density of water = 1.00 g/mL Initial temperature (Ti) = 25°C Final…

Q: Complete the following table. Round each of your answers to 3 significant digits. energy content…

A: We know that 1 cal = 4.184 J 1 kcal = 4.184 kJ 1 kcal = 1000 cal

Q: In metric terms, a typical automobile averages 5.72 km/L of gasoline burned. Gasoline has a heat of…

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Q: The density of a specific substance is 1.23 g/cm3. Likewise, it has a specific heat of .645 cal/g…

A: Given data,  Density of a substance = 1.23 g/cm3  Specific heat (s) = 0.645 cal/g°C  Mass of sample…

Q: A person weighing 85 kg running at 16 km/hr requires 4245 kJ of energy per hour. How far must this…

A: Mass of Sugar  =  0.690 Kg1 Kg  = 1000 g0.690 Kg = 0.690*1000 g = 690 gso mass of sugar  = 690 g1 g…

Q: A person uses 494.9 kcal of energy to run a race. Convert the energy used for the race to the…

A: First, we need to understand that 1 kcal is equivalent to 1 Calorie (with a capital 'C'). This is…

Q: 62. In a chemical cold pack, two substances are kept separate by a divider. When the divider is…

A: The chemical reaction has to be predicted as exothermic (or) endothermic reaction. The energy…

Q: How much energy is necessary to heat 8.0 kg of water from room temperature (20°C) to its boiling…

A: GivenMass of water given = 8kg                                 = 8000gDifference in temperature=…

Q: Convert this energy value to kilocalories (kcal). 153 kJ = kcal

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

A: Given : rate of energy consumed = 505 Kcal/hr Mass of fat to lose = 21.0 lbs Energy of 1 g of fat =…

Q: A student places a block of hot metal into a coffee cup calorimeter containing 162.2 g of water. The…

A: 162.2 g of water.T1 = 21.3 oCT2 = 37.6 oC

Q: In a calorimetry experiment, a 41.9 g piece of metal at 110. °C is put into a cup of cool water that…

A: GivenMass of water = 92.1 g = MInitial Temperature of water = Ti = 22.0°CFinal Temperature of water…

Q: An adult eats food whose nutritional energy totals approximately 2100 CalCal per day. The adult…

A:

Q: A 75.0 gram sample of a metal is heated until it is at 100.0℃. A calorimeter contains 100.0 grams of…

A: Given that : Mass of sample of the metal (ms)= 75.0 g Its temperature = 100°C Mass of water in the…

Q: a 176 g china serving bowl is warmed 58.3°C when it absorbs 2.0 kcal of heat from a serving of hot…

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Q: A hot tub holds 350.0 liters of water. How much energy, in kilocalories (kcal), would be required…

A: Given : Volume of water = 350.0 L Density of water = 1.000 g/mL = 1.000 Kg/L               (since 1…

Q: An amount of food is burned and releases 3600.0 of calories of energy. What mass of water can be…

A: The energy released by the burning of the food is = 3600.0 calories The change in the temperature of…

Q: A piece of plastic at 159 °C was put in a beaker with 132.6 g ethanol at 22.2 °C. The temperature of…

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Q: convert 255.0 calories to Joules. (1 cal = 4.184J)

A: Solution:- Given - 255.0 calories.  We have to calculate how many joules in 255.0 calories.

Q: A compound has a mass of 45.632 grams was added to 500.0 ml of water with an initial temperature  of…

A: The density and specific heat capacity of water at standard conditions are 1g/mL and 1 Cal/g.0C.

Q: Find the kinetic energy of the ball.

A: Given :- mass of ball (m) = 23.44 kg                speed of ball (v) = 2.55 m/s  To calculate :-…

Q: How much energy would it take to heat a section of the copper tubing that weighs about 520.0 g ,…

A: Given:Mass of Cu = 520.0 gHeating from 14.68 ∘C to 21.23 ∘CSpecific heat of  Cu 0.3850 J/(g⋅∘C).

Q: A person uses 494.9 kcal of energy to run a race. Convert the energy used for the race to the…

A: In nutritional terms, the calorie with a capital 'C' is actually a kilocalorie. Therefore, 1 Calorie…

Q: The cooling system in an automobile holds 10.0 L (11,100 g) of ethylene glycol antifreeze.  How much…

A: Mass of ethylene glycol (m) = 11,100 g Change in Temperature ΔT = 108.2 °C —18.8 °C = 89.4 °C…

Q: A student places a block of hot metal into a coffee cup calorimeter containing 163.5 g of water. The…

A: Equation for the heat absorbed ( q )   q  =  m  ×  C  ×  ΔT  m = mass C = Specific heat capacity ΔT…

Q: A large mug containing 490 g of hot water at 90 °C is left sitting on a table, and gradually cools…

A: We know, heat released or absorbed (q) is calculated from the equation -  q = mC∆T  Where, m= mass…

Q: A 25.0 g sample of silver metal was heated to 170 °C and then placed in a calorimeter holding 50.0 g…

A: Given: The initial temperature of Silver = 170oC Initial temperature of water = 20.0oC Final…

Q: A 20.00 g metal is heated in a test tube to 95.0 C and added to 50.0 g of water in a coffee cup…

A: At thermal equilibrium temperature of both metal and water will be same ,and heat lost by metal will…

Q: Suppose you can climb stairs at a rate of 101 steps/min, which typically burns calories at a rate of…

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Q: Classify the chemical changes as endothermic or exothermic. -campers burn wood to stay warm at…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: A sample of mercury at 14.0°C is warmed to 128.0°C when 795 cal of heat is added. What is the mass…

A: Amount of heat,Q required to change the temperature of a substance of mass ,m and specific heat…

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

A:

Q: Calculate the energy needed to heat the cube of silver, with a volume of 10.0^3cm, from 12 degrees…

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Q: How much work is done by an Olympic bicyclist who accelerates from 5.0 m/s to 10.0 m/s? The mass of…

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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 piece of iron with a mass of 35 g is heated and then placed in a beaker containing 600 g of water.…

A: