how many calories are required to raise the temperature of 255g of water from 42c to 75c?

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: What is the final temperature (in °C) of 920.1 g of water (specific heat = 4.184 J/g.°C) at 24.20°C…

A: Given, the mass of water=920.1g Its specific heat capacity=4.184J/g.oC The initial temperature of…

Q: What is the heat capacity of 2.13 mol of liquid water? ______ J/ oC How many kJ of heat are needed…

A:

Q: What is the final temperature (in °C) of 470.1 g of water (specific heat = 4.184 J/g･°C) at 24.20°C…

A:

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

A:

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

A:

Q: Calculate equilibrium temperature.

A:

Q: Water's heat of fusion is 80. cal/g and its specific heat is 1.0 * (cal)/(gC) Some velomobile seats…

A: Given : Mass of ice i.e frozen water = 1500 g Initial temperature of ice = 0.0 oC Final temperature…

Q: If a student wants to make 225.0 mL of a 17.65M stock solution of ZnCl 2, how many grams of solid,…

A:

Q: Knowing that its specific heat capacity is 1 calorie/(g•°C), how much would the temperature of 16.0…

A: Solution :       Specific heat capacity is defined as the amount of heat required to raise the…

Q: How many calories of heat are needed to increase the temperature of 55 g of ethanol from 18 °C to 48…

A: Given,  55 g of ethanol from 18 °C to 48 °C

Q: How many calories are requved to heat 2000y water from 15°Cto 80°(?

A: Given: Mass of water(m)= 20.0g Specific heat capacity of water (c)= 4.18 J/g.0C To find: Heat…

Q: What is the final temperature (in °C) of 940.1 g of water (specific heat = 4.184 J/g･°C) at 24.20°C…

A: Given,  The final temperature (in °C) of 940.1 g of water (specific heat = 4.184 J/g･°C) at 24.20°C…

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: In a coffee-cup calorimeter, 29.8 g sample of solid KCl is dissolved in 100.0 g of water at 15.0 °C.…

A: Heat of solution :- It is measured by the change of enthalpy during formation of solution. This can…

Q: Using the molar heat of solution provided in the question above: determine how many g solid sodium…

A: The molar heat of the solution of sodium hydroxide is = -445.1 kJ/mol The volume of the water is =…

Q: 4. How many grams of water can be heated 75.0 °c by the absorption of 4500.0 calories ? M. AT

A:

Q: What is the final temperature (in °C) of 150.1 g of water (specific heat = 4.18 J/g･°C) at 24.2°C…

A: Interpretation: The final temperature of 150.1 g of water at 24.2°C that absorbed 950.0 J of heat is…

Q: What would be the final temperature if 500 J of heat were transferred into 20. 0 g of Methanol…

A:

Q: What is the final temperature (in °C) of 100.1 g of water (specific heat = 4.18 J/g･°C) at 24.2°C…

A: Heat is the form for energy and is defined in joule.   Heat flow from high temperature to low…

Q: 29. In a calorimetry experiment, 7.46 g of potassium chloride is dissolved into 100.0 g of water at…

A: The question is based on the concept of specific heat capacity.   it is defined as the amount of…

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: Calculate the number of calories released when 32.0 g of water cools from 95.0 C to 20.0 C. The…

A: Since the heat of the process is given by  Q = mCΔT  where Q = heat involved  m = mass = 32 g C =…

Q: How much heat energy is needed to warm 50.0 g of carbon (specific heat = 0.71 J/g ºC) from 25 ºC to…

A:

Q: How many calories are required to increase the temperature of 13 g of alcohol from 11 °C to 23 °C?…

A: Heat is required to change the temperature of alcohol from 11 oC to 23 oC.with,Heat = q caloriesmass…

Q: How much heat, in joules and in calories, must be removed from 2.13 mol of water to lower its…

A: Given information is as follows: The number of moles of water = 2.13 mol The initial temperature…

Q: If 80.5 g of KBr are dissolved in 400.0 g of water at 25.0 °C in an insulated container, a…

A:

Q: How much would the temperature (in °C) of 260. g of water at 25°C increase if 37.7 kJ of heat were…

A: The relationship between amount of heat of a substance and mass, specific heat, and change in…

Q: Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food. When…

A:

Q: energy is required

A:

Q: What is the final temperature (in °C) of 850.1 g of water (specific heat = 4.184 J/g･°C) at 24.20°C…

A:

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

A: Given, mass of ethyl alcohol is 25.0g, initial temperature is 22.50C, final temperature is 78.50C.…

Q: The heat of fusion for water is 80. Cal/g. How many calories of heat are released when 20.0 g of…

A: Given: Mass of water = 20 g The heat of fusion for water = 80 cal/g

Q: The ionic salt KBr is dissolved in water, much like the experiments given in the simulation. A mass…

A:

Q: How much heat is put into 100g of water to raise temperature from 25.0 to 75.0°C? The specific heat…

A:

Q: 4. How much heat (in kJ) is needed to change 6.7 g of liquid benzene at 12°C to gaseous benzene at…

A: Answer:- This question is answered by using the simple concept of calculation of heat using the…

Q: What is the final temperature (in °C) of 500.1 g of water (specific heat = 4.184 J/g.°C) at 24.20°C…

A: q=m×c×(T2-T1) Where  q= heat absorbed m=mass  C=specific heat of the substance T2= final temperature…

Q: What is the final temperature (in °C) of 230.1 g of water (specific heat = 4.184 J/g°C) at 24.20°C…

A:

Q: What is the final temperature of 450.1 g of water (specific heat = 4.18 J/g･°C) at 24.2°C that…

A: a Specific heat is  heat is required to increase the temperature of of 1 gram of substance by…

Q: What is the final temperature of 420.1 g of water (specific heat = 4.18 J/g･°C) at 24.2°C that…

A: The final temperature of water is to be calculated. 14.00 Normal 0…

Q: How many grams of water can be heated from 16.0 °C to 95 °C using 125 kJ?

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: M9SO4 Mass of salt, g 15.0 Molar mass of salt, g/ 120.366 mol Moles of salt, mol 1.25x10^-1 Volume…

A: The data given is,

Q: A 51.76 g51.76 g sample of a substance is initially at 28.0 °C.28.0 °C. After absorbing 1755 J1755 J…

A: We have mass of sample as 51.76 g , initial temperature as 28°C, heat absorbed as 1755 J, final…

Q: How many calories of heat are required to lower the temperature of 550 grams of water from 64.4℉ to…

A:

Q: A student is trying to freeze a solution of urea in the lab where the temperature is around 22°C.…

A: Depression in freezing point of solution = i ×Kf ×m Where Kf = molal freezing point depression…

Q: Calculate the heat change in kilojoules for freezing 30.0 g of water at 0 ∘C.

A: Heat change in freezing is equal and opposite of heat change in melting or heat of fusion (dHfus).…

Q: enthalpy

A:

Q: Match the following units to their correct property: A Density of Solution B Molarity C…

A: Density is defined as the ratio of mass of a substance to its volume. The formula to calculate…

Q: A 20 g sample of ice at -10 °C is mixed with 100 g water at 80 °C. Calculate the final temperature…

A: Heat required by ice to convert into water at 0 oC = ms(Tf-Ti) + mLf…