A car operates at 12 percent efficiency. For every 10 gallons of gasoline, how. much is wasted as heat?

Q: If 7,492J of energy was added to 5g of water that starts at 11oC, what will the final temperature…

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Q: What are the benefits of the high specific heat of water?

A: Specific heat is defined as the amount of heat needed to increase the temperature of unit mass of a…

Q: Will Maynez burns a 0.6-g peanut beneath 50 g of water, which increases in temperature from 22°C to…

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Q: Report 3. Heat energy is produces at the rate of 1,000.0 watts. How many calories of heat energy is…

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Q: A pound of body fat stores an amount of chemical energy equivalent to 3,500 Cal. When sleeping, the…

A: A pound of body fat is equivalent to 3500 calorie.  time required =total energy/ rate of energy loss

Q: |A snow maker at a resort pumps 130 kg of lake water per minute and sprays it into the air above a…

A: Given data: The mass of the water pumped by snow maker per minute is m=130 kg. The ambient air…

Q: Suppose you have 1 kg each of iron, glass, and water, and all three samples are at 10°C. a) Rank the…

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Q: A 45-kg person drinks 5.6 × 102 g of milk, which has a caloric value of approximately 3.0 kJ/g. If…

A: mass of person (m)= 45 kg mass of milk (m') = 560 g Calorific value of milk (C) = 3000 J/g…

Q: Relate th

A: Second Law of Thermodynamics: According to the second law of thermodynamics, any spontaneously…

Q: Water is heated on a stove. Which of the following temperature changes results in the greatest…

A: Required The greatest change in entropy.

Q: If 10 grams of 0 degree water is heated up to 20 degree’s, how many calories were transferred?

A: Given  Mass of water (Mw) = 10 g at   0° C   We have to heat up it by 20° C   We know specific heat…

Q: How does the second law of thermodynamics explain how our bodies heat up when we exercise

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Some gun fanciers make their own bullets, which involves melting and casting the lead slugs. how…

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Q: A pound of body fat stores an amount of chemical energy equivalent to 3,500 Cal. When sleeping, the…

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Q: If you could use any source of energy for heating your food, which one would you use and why?

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Q: If cooling occurred at the bottom of a pond instead of at the surface, would the pond freeze from…

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Q: How do you measure the heat of combustion for solid samples? How about for liquid samples?

A: The heat of combustion is defined as the total amount of heat liberated from a given amount of…

Q: freezing

A: Water has a very high heat capacity and act as a thermal buffer so it prevent food from freezing.

Q: How much steam with a temperature of 100° C must be added to 0.250 kg of ice at its melting point to…

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Q: A pound of body fat stores an amount of chemical energy equivalent to 3500 Cal. When sleeping, the…

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Q: A person consumes about 2600 Cal a day. 1 Cal = 4186 J, and 1 kWh = 860 Cal. What is this energy in…

A: Write a given values of this question. E=2600Cal1cal=4186J1kWh=860Cal

Q: A dietician develops a new diet, in which people drink copious amounts of ice water. The theory is…

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Q: How much heat energy is required to warm up 2.35 kg of water, from 20oC to 83oC

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Q: Why heat engines are intentionally equated at high temperatures? If warm air rises, why is the…

A: 1. Heat engines are cyclic devices that extract heat from a high-temperature reservoir and convert…

Q: How different types of transportation make use of thermodynamics?

A: The movement of people, goods, and animals, etc. from one place to another place in the world is…

Q: An “energy bar” contains 22 g of carbohydrates. How much energy is this in joules? In calories? In…

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Q: How many joules of heat does it take to turn 3kg of -20oC ice into 115oC vapor?

A: So initially 3Kg ice from -20 degree Celsius to 0 degree Celsius.  Then in next step the 3Kg ice…

Q: A conventional photovoltaic cell delivers 4.0*10^-3 W  of electric engery when illuminated with…

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Q: How many Joules (J) does 1 single Oreo contain? [1 food calorie = 1000 energy calories (or 1 kcal);…

A: In single Oreo contains 45 calories and 1 calorie is 4.186 J, so one single Oreo contains the number…

Q: A woman violates her diet by eating a cookie that contains 100 Calories.  If she expends 0.065…

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Q: An electric blender is used to grind soaked soya beans with initial internal energy of 3000 joules.…

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Q: When you (m=75.8 kg) walk for 74.6 min, you burn 503.26 food Calories.  When you ingest something…

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Q: Which has more molecules with higher average kinetic energy, Chesapeake Bay or Hot Cocoa? and which…

A: given that  temp of  Chesapeake Bay  = 5°C                                     Hot Cocoa = 85 °C…

Q: What is the difference between the calorie used in physics and Calorie used in nutrition?

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Q: What is the meaning of thermodynamics

A: Thermodynamics is the branch of Science that deals with  temperature related phenomenon and studying…

Q: On food labels, we can read the food-calories of the product. The food calorie is written as "Cal"…

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Q: What are the advantages and disadvantages of using a solar cooker? Are there places where solar…

A: Solar cooker heats and cook food using the solar energy. It is a renewable energy source. It's yours…

Q: SOLUTION IS NEEDED How much calories of heat are needed to convert 500 grams of water at 30°C to…

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Q: A pound of body fat stores an amount of chemical energy equivalent to 3,500 Cal. When sleeping, the…

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Q: Suppose an OTEC system operates with surface water at 22 °Cand deep water at 4.0 °C. What is the…

A: Given:-               Suppose an OTEC system operates with surface water at 22 °C and deep water at…

Q: Sweating is one of the main mechanisms with which the body dissipates heat. Sweat evaporates with a…

A: Latent heat of evaporation of sweat L = 2430kJ/kg(103J/1kJ)    = 2430000J/kg Mass of sweat per hour,…

Q: What Is The Difference Between Statistical Thermodynamics And Chemical Thermodynamics?

A: Classical Thermodynamics: This branch studies the relationships between the State functions of the…

Q: A typical woman gives off heat at the rate of about 8,000 calories per hour. How long would a woman…

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Q: A bag containing 0degree C ice is much more effective in absorbing energy that one containing the…

A: The ice will melt at first and then the temperature of the melted water will raise.

Q: If 3.5 L of oxygen gas at is cooled at constant pressure until the volume becomes 1.50 L, then what…

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Q: How much heat is required to raise 10 liters of water from 0o C to 50o C? Answer in kilocalories…

A: To solve this problem, we need to know/look up this formula  Q=msΔT  Where,Q is amount of heat…

Q: What is thermodynamic and give important formulas and points Whole entire thermodynamics

A: Thermodynamics is a part of the science that deals with a well-known concept such as heat, work,…

Q: How much stored energy (in Btu) is there when you heat 50 gallons of water from 60 °F to 150 °F?

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Q: Suppose a 60-kg person consumes 2,500 Cal of food in one day. If the entire heat equivalent of this…

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Q: Suppose it's winter and the machine is powered with methanol. Methanol has a density of 0.80 g/cm3.…

A: Given data, Density of Methanol, d = 0.80 g/cm3 = 0.80×1000 kg/m3 = 800 kg/ m3  Amount of heat…