What mass of water will give up 240 calories when the temperature drops from 100 deg C to 68 deg C

Q: A sample of water is cooled from 45 degrees Celsius to 25 degrees Celsius by the removal of 20…

A: Since the heat involved in the process of cooling or heating is given by Q = mCΔT where Q = heat…

Q: 5. How many kilojoules are released when 8.2 g of water condenses at 100 °C and cools to 15 °C?

A: The specific heat can be defined as the amount of heat per unit mass that is needed to raise the…

Q: How many calories of heat energy are released when 50 grams of water is cooled from 70°C to 60°C?

A: This problem can be solved using the formula Q = mC∆T  Where, Q = heat released or absorbed by water…

Q: 1. How much heat is needed to raise the temperature of 125.0 grams of water by 12.0 °c? C AT

A: Q = M*C*∆T  Q = heat absorbed. M = mass of the sample. 125g C = specific heat. 4.18 ∆T = change in…

Q: how many calories are needed to warm 2.50 kg of water 5.00 C?

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Q: How much energy, in calories, is needed to raise 8 grams of water from 26C to 41C

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Q: Water has a heat of fusion of 80.0 calories per gram .  If I have 8.62 grams of ice at its melting…

A: Answer

Q: 30.0 g water heated from the initial temp of 15.0 C to the final temperature of 50.5C. How many…

A: The specific heat is amount of heat per unit mass required to raised the temperature by one degree…

Q: how many grams of water  would require 2.20 x 104 calories of heat to raise its temperature from…

A: Using formula for specific heat we have solved this problem.

Q: 5) The specific heat of water is: A. 5 Cal per g per C B. 2 Cal per g per C C. 3 Cal per g per C D.…

A: Introduction: The heat capacity of a matter is the quantity of heat required to increase the…

Q: How many calories of heat must be required to raise 990 grams of water at 18 °C to 97 °C?

A: Given: Mass of water, m=990 g Initial temperature, Ti=18°C Final temperature, Tf=97°C

Q: 1. What is the final temperature when the 625 g of water at 75.0°C loses 7.96 x10^4 J?

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Q: How many kilojoules are released when 8.2g of water condenses at 100 C and cools to 15 C?

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Q: How many joules are released when 450 grams of water are cooled from 4 x 10^7K to 1x10^-9

A: In the question we have to calculate the energy released in Joules when temperature decreases from…

Q: Which of the following samples has the higher temperature? a. 100. g of liquid water at 16.0 °C that…

A: Introduction: Specific heat: The amount of heat required to raise the temperature of a 1 gram of a…

Q: a 44 gram piece of ice at 0 degrees celsius is added to a sample of water at 6.8 degrees celsius.…

A: The mass of ice is = 44 g The mass of water sample =? The temperature of ice is = 0 degrees celsius…

Q: Calculate the number of calories released when 32.o grams of water cools from 95.0°c to 20.0°c.

A: We will use the formula: q = mc(t2 - t1)   where,  q  = heat released = ????  c = specific heat…

Q: What is the final temperature when 0.625kg of water at 75.0 degree celsius  loses 7.96 x 10^4 J?

A: Specific heat (c) :-  The amount of heat needed to increase the temperature of one gram of a…

Q: calories to melt 17 g of ice ? q = cal

A: NOTE : Since there is no temperature details given in the question. Hence I'm assuming that the…

Q: You have a flask of a certain liquid gas at a temperature of -189°C. You then heat the gas until its…

A: Given that, Initial temperature = -189 °C  Final temperature = ?

Q: The nutritional Calorie is equal to 10 calories.

A: Calorie: Energy is expressed in units of calorie. For the survive on the earth, human body requires…

Q: 1. The high specific heat of water is responsible for the following, except: A. helps moderate…

A: A multiple choice question based on intermolecular forces that is to be accomplished.

Q: Enter your answer in the provided box. Answer the following question about water, which has a heat…

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Q: Rank the temperatures from the highest to the lowest. To rank items as equivatent, overtar them. How…

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Q: If 9000.0J of heat are absorbed by 800.0 g of water at 5.0 degree C, what will be its final…

A: Given,  If 9000.0J of heat are absorbed by 800.0 g of water at 5.0  °C, the final temperature of…

Q: (8) How many kilocalories are lost when 580-g of water cools from 67°C to 22°C?

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Q: If the initial temperature of 120. g of ethanol is 20.0°C, what will be the final temperature after…

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Q: A 67.1 g block of iron at 22.4°C is packed in dry ice where it eventually reaches the temperature of…

A: Heat in kilojoules can be calculated using the specific heat capacity, temperature difference and…

Q: How many calories are given off by 5 grams of 100 deg C steam that changes phase to 5 g of ice at 0…

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Q: How much heat, in joules and in calories, must be removed from 1.75 mol of water to lower its…

A: Formula used: Q=mcΔT  C = 1.00cal/g∘C  or  4.186J/g∘C moles of water to grams…

Q: 8. What temperature change will result if 600.0 grams of water absorb 1200.0 calories of heat ? M.…

A: According to the law of calorimetry Heat absorbed or released by a system is given by the following…

Q: 5. What is the final temperature after 80.0 calories are absorbed by 10.0 grams of water at 25.0 °c?…

A: The question is based on the concept of specific heat capacity.   amount of heat required to raise…

Q: how much heat is needed in units of Joules to warm 592.7 g of copper from 25 degree celcius to 86…

A: Specific heat: The heat required by a one mole of a substance to raise the temperature to a 1 degree…

Q: Use Numbers If sample A requires 10 calories to raise the temperature of a 1-g sample 1°C, how many…

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Q: 6. What was the initial temperature if 20.0g of water absorbs 160 calories and warms to 30.0 c? AT

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Q: how many joules of heat are required to heat 25.0 g of ethyl alcohol from The prevailing room…

A: Consider the given information is as follows; Mass of ethyl alcohol (m) = 25.0 g    Initial…

Q: Enter your answer in the box provided. The following values for water may be needed: Specific heat…

A: The whole process is of three steps. Step 1:- Steam at 100oC is condensed to water Step 2:- Water at…

Q: How many joules are required for each of the following changes? c. boiling 21.1 g of water at 100°C

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Q: The melting point of chloroethane, CH3CH2CL is -136 Celsius and its boiling point is 12 celsius. Is…

A: Pressure and temperature are two important factors for deciding the state of a substance.

Q: Butane (C,H,) is an easily compressible gas used in ciga- rette lighters. It has a melting point of…

A: From the given data we have Butane is used as a gas in cigarette lighters. Let's see whether it…

Q: Drinking cold water actually causes the body to expend calories as your body warms it to body…

A: Step 1: When the temperature is increased for water or any matter the energy consumed is expressed…

Q: The temperature of a sample of iron with a mass of 10.0 g changed from 25.0 degree C to 50.4 degree…

A: We can relate the heat change of a system to the product of the mass of the system, the specific…

Q: Calculate the amount of heat, in calories, that must be added to warm 21.6 g of wood from 21.9 "C to…

A: Heat is the form of energy that is transferred from one system to another system. It is denoted by…

Q: Calculate the number of calories released when 32.0 grams of water cools from 95.0°c to 20.0°c.

A: We will use the formula: q = mc(t2 - t1)   where,  q  = heat released = ????  c = specific heat…

Q: How many Joules of energy are needed to increase 250.0 g of water from 22.8C to 37.9C? a) 3780  b)…

A: Q = MS∆T  here, Q = energy needed  M = mass of water  S = specific heat  ∆T = temperature gradient

Q: What happens to the internal and external temperature of the body after drinking cold water?…

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Q: What temperature change will result if 200.0 grams of water absorb 800.0 calories of heat ? O 70…

A: When heat is added to water its temperature increases. The increase in temperature depends upon mass…

Q: The temperature of 328.6 mL of Ne is changed from 274.49°C to 14.27K. What is the new volume of the…

A: Given,V1=328.6mL           T1=274.49°C+273.15=547.64KV2=?                         T2=14.27KWe have…

Q: Convert 157 calories to kilojoules

A: 157 calories needs to be converted into kilojoules.