Two railroad cars, each with a mass of 56,000 kg, are heading at 95 km / h towards each other. They collide head-on and stop. How much heat energy is produced in this collision?

Q: The thermal energy of 0.900 mol of a substance is increased by 0.900 J.

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Q: A gas is cooled so that it compresses from a volume of 6 L to a volume of 2 L. If the initial…

A:

Q: A 5000-W heater is used to heat water. How long will it take to heat 20 kg of water from 20°C to…

A: Given:

Q: A man and his wife bought a 16.00 oz steak that contains 569 Calories and cooked this steak for…

A: Steak ( food )

Q: An engineer is designing a cooling system for a chemical process that produces 52 kJ of heat every…

A:

Q: A person doesn't want to gain more weight. However, he decides to eat a meal of 10,000 Calories and…

A: Given Data The meal contains 10000 Cal=10000 Cal×4.19 J1 Cal=41900 J The person climbs a height of…

Q: The specific heat of a substance is the amount of energy needed to raise 1 g of a material by 1…

A: Given:-  The specific heat of a substance is the amount of energy needed to raise 1 g of a material…

Q: In an experiment, 200 g of water is heated. The temperature increases by 3°C. The specific heat of…

A:

Q: An ice cube has a mass of 73 g and is initially at a temperature of 0°C . The ice cube is heated…

A: Given data The mass of the ice is given as mi = 73 g. The initial temperature of the ice is Ti =…

Q: Sixty grams of water are at an initial temperature of 26 °C. Calculate the heat required to…

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Q: How many calories will a 298-pound athlete consume after running a distance of 458 yards in 3.2…

A: Given data:

Q: The temperature of 500 g of water is to be raised from 10 °C to 40 °C.  The energy needed to do this…

A:

Q: The specific latent heat of fusion for gold is 1.10x10^6 J/kg: How much energy is required to melt…

A:

Q: A beaker of water contains 175 mL of water starting at 27.4 °C. What will the temperature be if 39.3…

A: Given data: Mass (m) = 175 ml = 175 g Initial temperature (T0) = 27.4 °C Heat absorbed (Q) = 39.3 kJ…

Q: how many caloriers are absorbed by a pot of water with a mass of 500g in order to raise the…

A: Given data:  Mass (m) = 500 g Initial temperature (Ti) = 20°C Final temperature (Tf) = 30°C…

Q: A 10KW immersion heater is placed in a pot containing two liter of water at 23°C. How long will it…

A: Given : P = 10 kW = 10 × 103 W V = 2 L = 2 × 10-3 m3 T1 = 23°C T2 = 100°C e = 32% = 0.32 c = 4185…

Q: Which term describes the amount of thermal energy required to change a liquid into a gas or a gas…

A: Given:1) The Which term describes the amount of thermal energy required to change a liquid into a…

Q: A bottle containing 6 kg of water at a temperature of 15°C is placed in a refrigerator where the…

A:

Q: The heat of vaporization of ethyl alcohol is 8.5 x 10^5 J/kg. If 2 kg of it were allowed to vaporize…

A:

Q: The specific heats of an ideal gas depend on its (a) Temperature (b) Pressure (c) Volume (d)…

A: Ideal gas assumption require the gas molecules to have no volume and no force of attraction. Hence,…

Q: The temperature of a sample of Nickel with a mass of 0.2kg changed from 323 K to 298 K and released…

A:

Q: An ideal gas at 20 degree Celsius consists of 2.2×1022 atoms. 7.5 J of thermal energy is removed…

A: The thermal energy of ideal gas E (in J) is given as…

Q: A calorie is _____ times the energy of a calorie.

A: Here given calorie. We have to find how much times of the energy calorie is A calorie.

Q: 500 J of work are done on a system in a process that decreases the system’s thermal energy by 200 J.…

A:

Q: Approximately how much energy is contained in one gallon of gasoline?

A: We are required to find the energy contained in one gallon of gasoline.

Q: Which of the following accurately describes heat? * OA measure of how hot an object is. O The flow…

A: By observing the given options we will explain what describes heat properly.

Q: How much natural gas do you need to burn to heat twenty gallons of water?

A: The energy released by the burning of natural gas will be equal to the energy absorbed by the water.…

Q: The energy associated with an object's temperature is called Internal Energy Weight

A: Energy is ability of doing work.  It's unit isJoules and it is a scalar quantity.

Q: What is the latent heat of fusion of a substance if it takes 4.5 x 10 4 J to melt 750 grams?

A: Given data: Energy energy (E) =4.5 × 104 J Mass (m) = 750 g = 0.750 kg Required: Latent heat of…

Q: A sample of lead has a mass of 0.45 kg (lead has a specific heat of 130 J/kgK). The sample is…

A: Consider the lead of mass m having specific heat capacity c and Ti and Tf are the initial and the…

Q: 41.) The total energy of the particles of a substance as well as their potential energy is the…

A: 41. The energy contained in the motion and vibration of molecules of an object or the energy arises…

Q: A high jumper of mass 60kg consumes a meal of 3.00 x 10 ³ kcal prior to a jump. If 3.3% of the…

A: The gravitational potential energy of a mass m at a height h from the Earth's surface is defined…

Q: A person consumes about 2300 Cal a day. 1 Cal = 4186 J and 1 kWh= 860 Cal.If a power company charges…

A: person consumes = 2300 cal in one day 1 kwh = 860 cal  cost of 1 kwh energy = 12 ¢ means cost of 860…

Q: The ship is launched down a ramp and drops a total of 10 vertical meters [m] before coming to rest…

A: Here we use the law of conservation of energy. Energy lost by boat = Energy gained by water

Q: If the mass a piece of aluminum is 2kg and the change in heat is 3K, how much heat does it generate?…

A: Given data,                mass of Aluminum, M = 2 kg                change in temperature, ∆T = 3 K…

Q: If 100 calories are added to 40 g water,  calculate the  change in the water  temperature(T) water…

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Q: A gasoline tank in a car has a capacity of 60 L at 20°C. If the tank is fully filled without a…

A:

Q: Sixty grams of water are at an initial temperature of 26 °C. Calculate the heat required to…

A: Given data:  Mass (m) = 60 g Initial temperature (T0) = 26°C Final temperature (T) = 100°C Specific…

Q: At room temperature, an oxygen molecule with mass of 5.31x10^-26kg typically has a kinetic energy of…

A:

Q: You burn 22 g of a peanut and warm 75 g of water. The temperature of the water increases by a total…

A:

Q: What is the amount of heat it generates in a minute?

A: according to joules heat law. heat generated in conductor H = i2Rt where i = amount of current…

Q: Two objects, with different sizes, masses, and temperatures, are placed in thermal contact. In which…

A: Heat energy always from the object at a higher temperature to the object at a lower temperature when…

Q: What is the relationship between the release of energy as heat and calculations of calories per…

A: Release of energy = H Calories per gram = specific heat (C) Using the relation for heat released |H|…

Q: A bottle containing 6 kg of water at a temperature of 15°C is placed in a refrigerator where the…

A:

Q: A person eats an 408.85 J snack before working out. If a person uses all of their eaten energy to…

A:

Q: A student is trying to decide what to wear.His bedroom is at 20°c.His skin Temperature is 35.0°c.The…

A: