2. How much heat must be removed from 155 g of water to cool it from 92.3 °C to 21.6°C? 16

Q: 9. If 2,035 cal of heat is added to a 500.0 g sample of water at 35.0°C, what is the final…

A: Given:mass of water= 500ginitial temperature, t1= 35∘Cheat supplied to water, H=2035calto find,…

Q: how much heat must be added to heat 0.750g of water from 20.0° to 40.0°

A: When heat is added to a substance the temperature will change in a certain amount. the amount of…

Q: How much heat is required to warm 1.50 L of water from 25.0 °C to 100.0 °C? (Assume a density of 1.0…

A:

Q: A 500-g piece of metal (a steel) is dropped into 775 mL of water at 23.5 °C. The final temperature…

A:

Q: 3. When 2.0 g of NaOH is the heat of dissolution are dissolved in 49.0 g of water, the temperature…

A: 3.) First we need to calculate the heat using the formula Q = mC∆T  Then we need to calculate moles…

Q: How much heat is needed to warm 250 g of water from 22°C to near its boiling point, 98°C? The…

A:

Q: How much heat is needed to raise the temperature of 100.0 g of water from 30.0°C to 100.0°C?

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

Q: How much heat is released when 30 g of water at 96°C cools to 25°C? The specific heat of water is…

A:

Q: How many kJ of heat is needed to raise the temperature of 0.250 L of water in t liquid phase from…

A: Volume of water V = 0.250 LT1 = 24.6 oCT2 = 46.2 oC

Q: Consider the following specific heats of metals. Metal Specific Heat Aluminum 0.897 J/°C∙g…

A:

Q: The temperature of a sample of copper increased by 23.5 °Cwhen 269 J of heat was applied. What is…

A: • The values provided in the question are:- i) Temperature change of a sample of copper, ∆T = 23.5°C…

Q: 83.6 g of water at 28.7 degrees Celsius is heated. The water is warmed to 87.4 degrees Celsius. How…

A: Specific heat (S) :  The amount of heat energy needed to rise the temperature of one gram of a…

Q: 100 g of a solution (specific heat of 0.32 J/g C) undergoes a reaction in which 74.84 J of heat is…

A: Mass of solution = 100 g Specific heat = 0.32 J/g oC Heat released = 74.84 J

Q: How much heat (kJ) is absorbed by 948.0 g of water in order for the temperature to increase from…

A:

Q: Calculate the amount of heat, in Joules, needed to raise 34.0g of water from 55.0°C to 76.0°C. The…

A: Here we are required to find the amount of heat needed to raise 34.0g of water from 55.0°C to 76.0°C…

Q: You have 10.3 g of a colorless liquid. Adding 155.1 J of heat increases the temperature of the…

A: Given that: Mass of liquid(m) = 10.3g  Heat(q) = 155.1J T1 = 25.0°C T2 = 28.6°C Change in…

Q: 2

A: The heat in a calorimeter, qcal is given as : The heat change of a reaction in a calorimeter, qrxn…

Q: How much heat is required to raise the temperature of 125 g of water by 10.0ºC? The specific heat of…

A: Given  Mass of water        (m)        = 125 gram  Temperature difference ( ∆T )  = 10 ℃ Specific…

Q: 1. A 1.50 kg sample of vanadium (specific heat = 0.119 J/g°C) is heated to 85.0°C then placed in a…

A: Consider Tf be the final temperature of the metal and water. The mass of vanadium is 1.50 kg or 1500…

Q: How much heat is required to warm 1.70 kg of sand from 28.0°C to 100.0°C?

A: The specific heat of sand is 0.84J/g0C.Given, mass of sand = 1.70kg.

Q: How many joules of heat are required to heat 68 g of lead from 20.4 oC to 74.8 oC?

A: Given, Mass of lead = 68g. Initial temperature = 20.40C. Final temperature = 74.80C.

Q: How much heat must be added to a 8.21 g sample of gold to increase its temperature by 6.2 Celsius?…

A: Heat capacity is equal to the heat of 1g of substance when the temperature is raised by 1oC. q=mC∆T.…

Q: How much heat (kJ) is needed to raise the temperature of 50.0 grams of water from 25.0°C to 50.0°C?

A: For solving the question we need to know the term heat capacity .Heat capacity is the heat required…

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

A: Mass of silver (m) = 57.8 g Initial temperature (T1) = 17.0°C Final temperature (T2) = 43.5°C…

Q: Assuming no heat loss by the system, what will be the final temperature when 65.0 g of water at 10.0…

A: When water at two different temperature is mixed, the temperature of colder water increases and…

Q: What mass of water will change its temperature by 10 °C when 975 J of heat is added? The specific…

A: Based on the information you've provided, we know the following variables:

Q: What is the mass of a sample of alcohol (specific heat = 2.4 J/g°C), if it requires 4780 J of heat…

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