How many calories are required to heat 731 g of water from 8°C to 74°C?

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 129.0 mg sample…

A: Mass of sample = m = 129 mg = 0.129 g Initial temperature = T1 = - 9.6°C Final temperature = T2 =…

Q: Suppose you burn a 2.3 g sample of potato chips. You use the heat given off from that process to…

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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 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: You heat 2 g of water from 25 °C to 26 °C. How many calories of energy are transferred to the water?…

A: Given:  Mass of water = 2g  ∆T = 26-25 = 1°C  Cwater = 1 cal/g°C

Q: gold Aluminum Silver 10.0 g 10.0 g 10.0 g mass

A: heat is the form of energy , it can be transferred from one system to another at different…

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 of energy are required to raise the temperature of 121 g of water from 18°C to…

A: We have given mass of water equal to 121 gram and temperature rises from 18°C to 47°C. We have to…

Q: 24.0 g of metal at 78.3°C is cooled to 12.4°C and produces 194 J of heat. What is the specific heat…

A: Mass of substance M = 24.0 g  Initial temperature = 78.3 °C  Final temperature = 12.4°C  Heat…

Q: how many calories (cal) are equivalent to 7.25 kJ? (1 cal = 4.184 J )

A: Recall the relation between calorie and joule        1 cal=4.184 J We have to find the equivalents…

Q: Calculate the calories needed to heat 7.9 grams of water from 15 degrees Celsius to 33 degrees…

A: Mass of water (m) = 7.9 g Initial temperature (Ti) = 15°C Final temperature (Tf) = 33°C Calories…

Q: An iron piston in a compressor has a mass of 3.62 kg. If the specific heat of iron is 0.449 J/g°C,…

A: •  The values provided in the question are:-  i) Mass of an iron piston, m = 3.62 kg = 3620 g { 1 kg…

Q: Suppose you burn a 2.6 g sample of potato chips. You use the heat given off from that process to…

A: Given: The mass of the potato chips burned = 2.6 g The amount of water = 26.0 g The initial…

Q: a 0.2500g sample of a pretzel is burned . The heat it gives off is used to heat 50.00g of water from…

A: Amount of heat liberated: It is calculated as,

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 273.0 g sample…

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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: How much heat is required to raise the temperature of a 10.75-g sample of iron (specific heat =…

A: Given Information:Mass of iron sample = 10.75g Final temperature = 79.8oCInitial temperature = 25…

Q: Calculate the amount of energy required to heat 357 g of ethylene glycol (antifreeze) from 0°C to…

A: Given, Mass of ethylene glycol (m) = 357 g Initial temperature (Ti) = 0°C Final temperature (Tf) =…

Q: How many calories are in 8771 kJ ? (1 cal = 4.18 J)

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Q: A 55-gram aluminum spoon (specific heat 0.88 J/g°C) at 54°C is placed in 150 mL of coffee at 105°C…

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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: Calculate the calories lost when 65g of water cools from 45 degrees Celsius to 25 degrees Celsius.

A: mass of water (m) = 65 g Initial temperature (Ti) = 45°C Final temperature (Tf) = 25°C Amount of…

Q: You are camping and wish to bake an apple crisp using your butane cooker. The crisp needs 1.5 x 103…

A: Answer:In this problem we have to find out the energy that can be produced by 100g butane and then…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 477,0 g sample…

A: Mass of the sample = 477.0 gInitial temperature (T1) = Final temperature (T2) = Amount of heat…

Q: how many calories correspond to 28.4 J?

A: Concept introduction- Joule and Calorie both are units of energy. Energy can be converted into heat.…

Q: A normal adult requires 2000 Calories per day to maintain his metabolism. Nutritionists recommend…

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Q: Carrie is trying to figure out the number of calories in a cube of cheese. To do this, she pours…

A: Given is, mass of water = m = 149.5 mL Temperature before = T1 = 17.8°C Temperature after = T2 =…

Q: How many joules of energy are required to heat 2.5 kg water from 18.5 to 55.0 Celsius?

A: To calculate the energy required to raise the temperature of any given substance, is calculated as-…

Q: How many calories are in 1001 kilojoules? (1 cal = 4.184 J) 1 4 7

A: This can be calculated as:

Q: How many calories are required to raise the temperature of 225g of water from 42.0 degrees C to 75.0…

A: Given that, Now, the heat required to raise the temperature is calculated by following equation:…

Q: A certain physical process requires 36.00 kilojoules (kJ) of heat.  Convert this quantity to…

A: Given : Energy in KJ = 36.00 KJ

Q: A single serving bag of snack chips contains 71.0 Cal. Assuming that all of the energy from eating…

A: Energy is used in every process of body but as per question all the energy is used for heartbeat…

Q: How much heat is required, in calories, to raise the temperature of 57.8 g of silver from  17.0°C to…

A: Given mass = 57.8 g initial temperature = 17.0°C Final temperature = 43.5°C specific heat capacity (…

Q: How much more energy (in joules) is needed to heat 200.0g of water by 10.0 celcius? The heat…

A: When the heat is transferred to a system the temperature of the system rises. The increase in energy…

Q: How much heat, in joules and calories, is needed to heat up 1.00 mL of water from 22.3°C to 87.6°C?

A: We have given that Volume of water= 1ml We know that  Density of water = 1g/ml Mass of water = 1g…

Q: How much heat is required to raise the temperature of a gold earring from 25.0°C to 30.0°C? The…

A: To solve this problem we will use the formula  Q = m • C • ∆T  Where,  Q = heat required  m = mass…

Q: How much energy is needed to change the temperature of 2.00 g of aluminum from 20.0°C to 25.0°C? The…

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Q: If 171.4 grams of water must be heated from 8.00°C to 85.0 °C to make a cup of tea, how much heat…

A: The solution is as follows :

Q: Titanium (Ti) was heated to a temperature of 35 °C. If the initial temperature of 35.0 g of Titanium…

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