Water's heat of fusion is 80. cal/g and its specific heat is 1.0 * (cal)/(gC) Some velomobile seats have been designed to hold ice packs inside their cushions. If you started a rid with ice packs that held 1500 g of frozen water at 0 Cand the temperature of the water at the end of the ride was 32 degrees * C how many calories of heat energy were absorbed?

Q: Calculate the calories lost when 85 g of water cools from 45 ∘C to 25 ∘C

A: Given data,Water 85g and cooling temperature 45oC to 25oC

Q: 41( When 157.0 grams sample of and alloy at 100.0 Celsius ° is dropped into 100 grams of water at 25…

A: Mass of alloy = M1 = 157.0 g Initial temperature of alloy T1i = 100.0 °C Final temperature Tf = 40.1…

Q: 10.0g of ice at 0.00*C is mixed with 25.0 g of water at 35.00*C in a calorimeter. What is the final…

A: Here we need to calculate Tf means final temperature. msample= 10.0g  c is the specific heat 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: How many calories are needed to raise the temperature of 89 g of water 2°C?

A: Here we have to apply the formula for heat  mass = 89g

Q: Molten RbCl can be electrolyzed to form metallic Rb. For what duration should an electrolysis be…

A:

Q: Imagine that a hypothetical life form is discovered on our moon and transported to Earth. On a hot…

A:

Q: A food product wants to be produced in a small round shape (pellet) by freezing it in a water blast…

A: Initial temperature (Ti)     = 25o C Air temperature  (Ta)       = -30o C Freezing temperature     =…

Q: e final temperature of th

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Q: How much heat is transferred from a 4.10 g gold nugget (specific heat = 0.129 J/g-°C) initially at…

A:

Q: 5.0 g of cream at 23.3 °C are added to an insulated cup containing 150.0 g of coffee at 84.7 °C.…

A: Given: Mass of cream= 5.0 g The temperature of cream = 23.3°CMass of coffee=150.0 g The temperature…

Q: How many calories are required to heat 5g of steam at 100°C to 120°C? The specific heat of steam is…

A: Given data, Mass = 5 g T1=100°CT2=120°C The specific heat of steam(C) =  0.5 cal/g•°C. To calculate…

Q: mass

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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: 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The…

A: Given: Moles of solid = 3.15 mol. Volume of solution = 150.0 mL  Density of solution = 1.20 g/mol.…

Q: How much heat is required to change 334.8 g of water at 80.2°C to steam at 100.0°C? 1 kcal

A: Mass of water= 334.8 gInitial temperature = 80.2 oCFinal temperature= 100.0 oCThe heat involved in…

Q: How much heat is required to change 265.4 g of water at 70.3°C to steam at 100.0°C? kcal

A: The amount of heat required to change 265.4 g of water at 70.3°C to steam at 100.0°C is to be…

Q: Which statement describes the transfer of heat energy that occurs when an ice cube is added to an…

A: When ice is added to water at 25°C

Q: 125 g of dry ice (solid CO2) is dropped into a beaker containing 500g of water at 66°C. The dry ice…

A:

Q: 11.0 g of cream at 16.1 °C are added to an insulated cup containing 100.0 g of coffee at 85.3 °C.…

A: Equilibrium temperature of coffee is approx 78.4 °C

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: 6. A container of yogurt has 240 Calories. What mass of perspiration would someone have to lose to…

A: Given that, a container of yogurt has 240 calories. At body temperature, the latent heat of…

Q: How much heat (in J) is evolved or absorbed when a 35.1 g sample of ethanol (specific heat = 2.46…

A: specific heat capacity is the amount of heat required to raise the temperature of 1 Kg of a…

Q: When we heat the cheetos was all the heat released actually captured by the water?

A: In cheetos experiment, a chip is burnt and heat released by it is used to raise the temperature of…

Q: 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The…

A: Given moles (n) = 3.15 volume = 150 ml Temperature difference = 20.11°C specific heat (C) = 4.184…

Q: 115.4 g of water, H2O, (molar mass is 18.02 g/mol) was heated from -11.54 °C to 135.72 °C. The…

A: The specific heat of a substance is the amount of heat required to raise the temperature of a…

Q: Imagine that a hypothetical life form is discovered on our moon and transported to Earth. On a hot…

A: Given : The heat of vaporization of the scientist's sweat is 580 cal/g heat of vaporization of…

Q: What is the heat capacity of 6.18 mol of liquid water?  ______________J/ oC  (c) How many kJ of…

A: 1) Given moles of water = 6.18 mol  Molar mass of water = 18.0 g/mol  mass of water = moles × molar…

Q: Four ice cubes at exactly 0°C with a total mass of 51.0 g are combined with 140 g of water at 75 °C…

A: Answer: This question is based on the conservation of energy where energy lost by water will be…

Q: water has a heat of vaporization ( Hvap) of 44.01 kJ mol^-1 and boils at 100 C at sea level.  What…

A: Given: Normal boiling point of water = 100 oC Heat of vaporization of water = 44.01 KJ/mol = 44010…

Q: The temperature of a beaker containing 194 mL (density of water is 1 g/mL) of water changes from 16…

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Q: How much heat is absorbed when 25.0g of water warms from 10.2oC to 38.0oC

A: According to calorimetry,  q = m × c × ∆T Where q = heat released or heat absorbed,   c = specific…

Q: At higher elevations, the boiling point of water is lower because the atmospheric pressure is lower.…

A: Specific heat capacity of water = 4.2 j/gc

Q: 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The…

A: CONCEPT

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

A:

Q: Specific heat of Ag = 0.240 J/g°C, Al = 0.921 J/g°C, Pb = 0.138 J/g°C %3D %3D 1. If a piece of…

A: Specific heat(s) is the heat required for a substance to raise its temperature by 1°C.…

Q: An eager scientist on a hot summer day needs to determine how much ice to buy. She has a cooler…

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

Q: how many calories are required  to raise  the temperature of (2.6x10^2)h of water from 42.0celsius…

A:

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 high specific heat of water explains why climates on land near bodies of water are moderate.…

A: Please find your solution below : Specific heat of a substance is defined as the amount of heat…

Q: 1. In an experiment to determine the specific heat of copper, a piece of 50 gm copper is first…

A: Note: As per guidelines we can answer the first question, please post-second question separately…

Q: 3. What temperature change in degrees Celsius is produced when 800.0 calories are absorbed by 10.0…

A:

Q: 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The…

A: The question is based on the concept of chemical thermodynamics. whatever heat produced during…

Q: What is the mass of the water used?  What is the total mass of the solution? (water+salt)  What is…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…