How many joules of nutritional energy are in a bag of chips with a label that lists 245 Cal? If 1lb of fat is stored by the body for each 14.6(10^3) kj of excess nutritional energy consumed, how many bags of chips contain enough nutritional energy to result in 1lb of body fat

Q: How many joules of heat are required to raise the temperature of 161 g of aluminum from 13.0˚C to…

A: From thermodynamics, heat change is given by the relationship: q = mc∆T…

Q: Mercury was once used in thermometers and barometers. When 69.7 J of heat are absorbed by 100.0 g of…

A: Given, Heat absorbed Q = 69.7 J change in temperature ΔT = 29.98 - 25 = 4.98 ℃ Mass m = 100 g

Q: A 100 g  piece of copper at 25ºC is placed in an refrigerator where it releases 555 J of energy.…

A: Given data: Mass of copper piece = 100 g, Initial Temperature (Ti) = 25 o C, Energy release = 555 J,…

Q: of silver al Wai piico. 13. The Nutrition Facts on a 12-pack of Dr. Pepper specify that a single…

A: Given: Energy in a pack of 12-pack of Dr. Pepper = 80 Calories. To find: Energy in 2/3rd of the…

Q: A chemical reaction occurs and 64.7 cal is transferred to the system. How many joules is this? is…

A: We have to predict nature of reaction and heat in joules.

Q: On a brisk walk, a person burns about 318 Cal/h. If the brisk walk were done at 3.8 mi/h, how far…

A: We have burning of calorie as 318 cal/h . Rate of walking is 3.8 mi/h . We have to calculate the…

Q: How many joules of heat are required to raise the temperature of 444 g of aluminum from 13.0°C to…

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Q: A 70.0-g piece of copper metal at 54.0 °C is placed in 50.0 g ofwater at 26.0 °C. If the final…

A: By law of conservation of energy : Heat released by copper = heat absorbed by water m1s1∆T1 =…

Q: 9. If a 85.0°C iron rod that weighs 1.20 kg was placed in 15.2 L of water at 20.0°C, what is the…

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Q: Homes may be heated by pumping hot water through radiators. What mass of water will provide the same…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: How many kilocalories does a runner expend when he runs for 4.5 h and uses 710 Cal/h? How many…

A: Nutrients are defined as compounds in food that are essential to life and health. There are six…

Q: A 65 kg person walking 6.5 km/hr requires 1390 kJ of energy per hour. How much further does he have…

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Q: Question 24

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Q: A 50.0-g sample of copper is at 25.0 degrees C. If 1 200 J of energy is added to it by heat, what is…

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Q: 6.14 Thermal decomposition of 5.0 metric tons of limestone to lime and carbon dioxide absorbs…

A: 6.14 Energy of thermal decomposition of 5 metric tons limestone to lime and CO2 = 9.0×106 KJ a)…

Q: The energy needed to keep a 75-watt light bulb burning for1.0 h is 270 kJ. Calculate the energy…

A: The  energy required to keep the light bulb burning for 3.0 h in each of the following energy units…

Q: How many Joules of energy are required to heat a 19.3 gram lead ball from 25.0˚C to 47.7˚C? (The…

A: The specific heat of lead states that 0.128 Joule of heat is needed for an increase in temperature…

Q: Nitrogen monoxide has been found to react with oxygen gas to produce the brown gas nitrogen dioxide.…

A: Given :  Heat released when one mole of NO reacts = 57 KJ

Q: When 1.000 g of olive oil was completely burned in pure oxygen in a bomb calorimeter, the…

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Q: What is the temperature in degree Celsius of 2 liters of water at 30 deg.C after 500 calories of…

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Q: Which one of the following is an endothermic process? A) ice melting B) Hydrochloric acid and barium…

A: Ans - C both ice melting and boiling soap  In a reaction if heat release it is exothermic process or…

Q: f a television requires 150 kj/h to run, how many hours can the television run on the energy…

A: The energy given by gasoline is 1 gal. The energy required by television in one hour is 150 kJ.

Q: On a brisk walk, a person burns about 334 Cal/h. If the brisk walk were done at 3.2 mi/h, how far…

A: According to the question, A person burns 334 cal in 1 hour and if that person wants to burn 1 lb…

Q: "Mercury was once used in thermometers and barome-ters. When 46.9 J of heat are absorbed by 100.0 g…

A: To calculate the specific heat of mercury By using the formula,     Q = mC∆T C = specific heat…

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

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Q: how many joules does it take to heat a 2.50 g silver (Csilver = 233.0 J/kg C) bracelet from 25.0 C…

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Q: A 123 g piece of metal is heated to 292 ∘C and dropped into 86.5 g of water at 26.0 ∘C If the final…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: How many Cals are required to heat a 28.4 g ice cube from -23.0 °C to -1.0 °C.

A: Calorimeter is a device use to measure heat during mechanical, electrical and chemical reaction and…

Q: What is the heat of fusion for 89 grams when the heat capacity is 54 J/g?

A: Given : Mass of substance = 89 g And heat capacity of substance = 54 J/g

Q: 9- Which pair of quantities can be expressed using the same units ? a) Work and force. b) Power and…

A: The given terms are defined as follows --- Work: It is defined as the amount of energy is required…

Q: A) A hamburger comtains 409 kilocalories(409 cal). How many kJ is this? B) If a jogger burns 1225 kJ…

A: (a) The conversion of kilocalories into kilojoules is

Q: A metal radiator is made from 25.07 kg of iron. The specific heat of iron is 0.449 J/g °C. How much…

A: The mass of iron metal is = 25.07 kg The heat capacity of iron metal is = 0.449 J/goC Increase in…

Q: On a brisk walk, a person burns about 310 Cal/h. If the brisk walk were done at 4.9 mi/h, how far…

A: 1 lb = 3500 Cal A person wants to burn off 1 lb…

Q: What is the final temperature if 305 J of heat is added to 58.2 g of this metal

A: q = mc∆T  q is the amount of heat energy absorbed m is the mass of substance  c is the specific heat…

Q: What is the kinetic energy of a 147 gram baseball moving at a velocity of 47.2 meters per second?…

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Q: A nail made of iron (c 0.45 J/g C) has 34,500 Joules added to it. If the nail's temperature goes…

A: The heat of a reaction is the amount of energy released or gained during the course of a reaction.…

Q: 3. One mole nitrogen oxide, NO, reacts with oxygen gas to produce a brown gas, NO,. a. Write the…

A: An equation is said to be a thermochemical equation if it is a balanced stoichiometric chemical…

Q: Suppose that 23 g of each of the following substances is initially at 27.0 ∘C. What is the final…

A: The final temperature for each case can be calculated by using the following expression,

Q: An adult eats food whose nutritional energy totals approximately 2400 Cal oer day. The adult burns…

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Q: 5. How much heat is released to the surrounding when a cloud containing 100 kg of air cool from…

A: Thermochemistry:

Q: How much energy must be added to 1450 g of water to raise the temperature from 5.5 °C to 29.0 °C?

A: in this question we have to calculate the energy when the amount of water temperature raise from…

Q: The specific heat capacity of liquid mercury is 0.14J/g-k. How many kilojoules of heat are needed to…

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Q: heat

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Q: If the temperature of 12.80 grams of ethanol increases from 26.0°C to 74.0 °C, how much heat has…

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Q: The heat from a candy bar's Calories can raise the temperature of a 4.50 kg bucket of water from 4°C…

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Q: A 30.0g piece of metal is heated to 95.0 °C. The metal is then placed into 45.0 grams of water at…

A: When the heated metal is dipped in water, then heat lost by metal goes to water. Mass of metal= 30 g…

Q: When we see that 10 gummy bears are 80 Calories meaning that each bear is 8 Calories, this really…

A: 10 gummy bears = 80 calories.  1 gummy bear = 8 calories. 1 calorie = 4.184 J 1 kJ = 1000 J.

Q: 5. Phosphorus trichloride, PC, is a compound used in the manufacture of pesticides and gasoline…

A: As per student demand, solution for question number 5 follow as  5) given that : Mass of PCl3(m) =…

Q: if a system gains 10 J of energy the surroundings must lose 10 J of energy true or false

A: There are two type of system , one is closed system and another is open system.  For closed system:-…

Q: Which is the least expensive source of energy in kilojoules per dollar: a box of breakfast cereal…

A: Since it is given that 1.0 ounce = 130 Calories Therefore, 32 ounces of cereal in energy = 32×130…