How much heat is required to raise the temperature of 0.295 kg of water from 19.4 C to 31.0° C? Express your answer in joules.

Q: Rubbing your hands together warms them by converting work into thermal energy. If a woman rubs her…

A: Change of temperature is 0.166 deg C.

Q: You are given a sample of metal and asked to determine itsspecific heat. You weigh the sample and…

A: The quantity of heat required to raise the temperature of a body is,   Q=mc∆T       (I)…

Q: a body at a temperature of 50°F is placed in an oven whose temperature is kept at 150°F. If after 10…

A:

Q: A 50-g ice cube floats in 150 g of water in a 100-g copper cup; all are at a temperature of 0°C. A…

A:

Q: An ice bag containing 0°C ice is much more effective in absorbing heat than one containing the same…

A:

Q: what is the rate of heat (in W) lost though the window [round your final answer to zero decimal…

A: Given: The inner surface temperature=21.80 C Outside surface temperature=18.60C Area = 2.66 m2…

Q: If 31.0 g of milk at a temperature of 4.15°C is added to a 250-g cup of coffee at a temperature…

A: Let the final temperature is T

Q: During a bout with the flu an 980-kg man ran a fever of 39.0° C instead of the normal body…

A:

Q: The specific heat of ice is 2.10 kJ/kg °C, the heat of fusion for ice at 0°C is 333.7 kJ/kg, the…

A:

Q: a) How much heat in kcal must be added to 0.57 kg of water at room temperature (20°C) to raise its…

A: To determine: (a) The heat added to the water in kcal Given: Mass of water, m=0.57 kg Room…

Q: A granite ball of radius 1.92 m and emissivity 0.450 is heated to 118°C. HINT (a) Convert the given…

A: Given data: The given radius of a granite ball, r=1.92 m The given temperature, T=118° C The given…

Q: a) A 375 joule of heat energy is transferred to 25 gram of mercury. By how much does the temperature…

A: Answer             A) 106.929 k            B) 51449.958

Q: What is the value of the specific heat of a liquid in J/(kg•°C) if two kilograms absorb 83.6J when…

A:

Q: What mass of steam at 100° C must be added to 1.90 kg of ice at 0°C to yield liquid water at 17 °C?…

A:

Q: When the indoor temperature of a house is 25°C and the outdoor temperature is -8°C, the inside and…

A: Given that, Temperature at inner surface (T in)=21.4° C Temperature at outer surface (T out)=17.1° C…

Q: For the human body, what is the rate of heat transfer by conduction through the body’s tissue with…

A: Given, Thickness, d=3 cm=0.03 m, Area, A=1.50 m2, temperature change, ∆T=2.00 C, Energy intake,…

Q: 350 grams of copper pellets are removed from 330°C oven and immediately dropped into 400 mL of water…

A: mass of copper pellets = 350 g initial temperature of pellets = 330 C mass of water = 400 grams ( as…

Q: When the indoor temperature of a house is 25°C and the outdoor temperature is -8°C, the inside and…

A: To calculate the rate of heat lost through the window, we need to use the formula for thermal…

Q: The specific heat (capacity) of a particular type of pasta is 1.8J/g· Celcius. Suppose you toss 340…

A: Given Specific heat of pasta cp = 1.8 J/g°C Mass of pasta mp            = 340 g Temperature Tp…

Q: Calculate the amount of heat needed to change 10 kg of ice to steam. (Specific heat of water = 4186…

A:

Q: Two hundred thirty grams of water at 0°C is brought into contact with a heat reservoir at 92°C.…

A: given m=230g=0.230kg, C=4186J(kg⁰C) 1. Since reservoir has infinite capacity at same temperature.…

Q: 6. A cake is removed from an oven at 320⁰ F and cools to 130° F after 28 min in a room at 77° F. How…

A:

Q: is 15°C. Determine the time [min] required to increase the water temperature to 50°C when it is…

A: Diameter of cylinder (D)=108.02cm =1.0802m  radius (r)=0.5401m density of water =1000kg/m3…

Q: An ice bag containing 0°C ice is much more effective in absorbing heat than one containing the same…

A: The mass of water m1=0.740 kg. The mass of ice m2=0.740 kg. The specific heat capacity of water c=1…

Q: The heat of vaporization of water is 540 cal/g, and the heat of fusion is 80 cal/g. The heat…

A: We will need the total heat for three steps 1) converting ice at -15°C to ice at 0°C. 2) converting…

Q: 6. 11 088 J of heat energy are needed to raise the temperature of 1.6 kg of copper from 7 °C to 25…

A: Energy is given as, Mass is given m = 1.6 kg.Initial temperature Final temperature

Q: The specific heat of a substance varies with temperature according to c = 0.24 +0.47T+0.049T2, with…

A: Variation of specific heat with temperature : c = 0.24 + 0.47T + 0.049T2 mass (m) = 7.9 g Initial…

Q: a) A 650 joule of heat energy is transferred to 46 gram of mercury. By how much does the temperature…

A: a) Q = 650 J , m = 46 gram , c = 0.0334 cal/g°C = 0.0334 x 4.184 = 0.1397 J/g°C Q = mc∆T Therefore,…

Q: The number of kilocalories in food is determined by calorimetry techniques in which the food is…

A: The heat absorbed by the water and the aluminum cup is the same as the heat (energy) given off by…

Q: The initial temperature of 60 g of ice is -20⁰C. The specific heat capacity of ice is 0.5 cal/g.C⁰…

A:

Q: A 50-g ice cube floats in 220 g of water in a 100-g copper cup; all are at a temperature of 0°C. A…

A:

Q: When the indoor temperature of a house is 25°C and the outdoor temperature is -8°C, the inside and…

A:

Q: When resting, a person has a metabolic rate of about 7.31 x 105 joules per hour. The person is…

A:

Q: A machine part consists of 0.41 kg of iron (of specific heat 470 J/kg ∙ K ) and 0.44 kg of copper…

A: Given value--- mass of iron = 0.41 kg. mass of copper = 0.44 kg. specific heat of iron = 470 J/kg -…

Q: Suppose 8.50 x 10 ) of energy are transferred to 1.79 kg of ice at 0°C. The latent heat of fusion…

A:

Q: On a hot dry day, evaporation from a lake has just enough heat transfer to balance the 1.00 kW/m2 of…

A: Given: The heat transfer from the sun is Q=1 kW/m2. The time of evaporation is t=1 h. The area of…

Q: If 122.6 kJ of heat are added to 9.00 x 102 g of water at 22.0°C, what is the final temperature of…

A: The heat supplied(q) to any substance is given as, where m is the mass of the substance in Kg, c is…