A 2.5 kg sample of copper at 24.1 degrees C experiences a change in temperature to 19.7 degrees C. How much energy is involved? Did the copper gain or lose energy?

Q: The freezing point of mercury is -38.8 °C. What quantity of energy in joules is released to the…

A: Since, you have posted multiple questions, we will solve only first question for you. To get other…

Q: How many calories of energy does it take to heat a 115.2mL sample of water from 11.0° C to 88.0° C?

A: Since the heat required to heat the water (liquid state) is given by  Q = mC ΔT where  ΔT = change…

Q: How much heat energy must be added in order to warm 1.00 grams of liquid mercury in a thermometer…

A: give information are- final temperature = Tf = 29°C initial temperature = Ti =10°C mass = m = 1 gm.…

Q: Consider a cloudless day on which the sun shines down across the United States. If 2529 kJ of energy…

A: Given : Total energy reaching per square meter per hour = 2529 KJ/m2.h And area of US = 9,158,960…

Q: (12. A pan of water experiences a temperature change of -1.65 °C when left outside overnight due to…

A: Answer:- This question is answered by using the simple concept of calorimetry which involves the…

Q: On which temperature scale (F, C, or K) does 1 degree represent the smallest change in temperature?

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Q: 46 g of aluminum from 32 degrees celsius to 55 degrees celsius. What is the heat in cal?

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Q: 123. In a grammatically correct sentence or two (and in your own words), describe what heat and…

A: Heat and temperature, both are very important thermodynamic quantities. They both are quiet…

Q: A 12.48g sample of an unknown metal, heated to 99.0˚C was then plunged into 50.0mL of 25.0˚C water.…

A: Given, Mass of the sample = 12.48 g Initial Temperature of water = 25.0 oC Final temperature of…

Q: Equal masses of the 3 substances were left to sit in the sun at the same time and for the same…

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Q: How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL of…

A: Heat flow from high temperature to low temperature

Q: 90. A 100-g block of iron metal and 100 g of water are each warmed to 75 °C and placed into two…

A: There are few terms which should be known to answer this question. Specific heat: It is the heat…

Q: The specific heat capacity of liquid mercury is 0.14 J/g-k. How many joules of heat are needed to…

A: Given: The specific heat of Hg = 0.14 J/g-K or J/g-0C The initial temperature, (T1) =22.1 0C. The…

Q: How much heat is required to warm 1.70 L of water from 30.0 °C to 100.0°C? (Assume a density of 1.0…

A: Given  Density of water  =  1 gram/mL  Volume of water  = 1.70 Liter                               =…

Q: A sample of metal with a mass of 28.5 grams is heated to 95.0, and placed in a calorimeter…

A: Given, For metal: mass of metal (mmetal) = 28.5 g Specific heat capacity of metal (spmetal) = ?…

Q: Calculate the energy needed to heat the cube of silver, with a volume of 10.0 cm, from 18 °C to 26 "…

A: Given : Volume of silver cube = 10.0 cm3 = 10.0 mL                                   (since 1 cm3 =…

Q: A water heater contians 59 gallons of water. How many kilowatt-hours of energy are necessary to heat…

A: The amount of heat energy required is related to specific heat capacity as,…

Q: Explain the difference between heat and temperature. Does 1 L of water at 65°F have more, less, or…

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Q: Which of the following illustrations best represents themeasurement of the temperature of boiling…

A: Boiling point can be defined as the temperature at which the vapor pressure of liquid becomes equal…

Q: Equal masses of the 3 substances were left to sit in the sun at the same time and for the same…

A: Answer :- Lithium  Lithium has largest specific heat value, it heated slowly compared to Titanium…

Q: Henrietta has a sample of a pure substance in a beaker. She heats the substance to a temperature of…

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Q: 14. A 10.0-g sample of water requires 418 J of energy to increase in temperature by 10°C, whereas a…

A: Given, 10.0 g of water requires 418 J of energy to increase  the temperature by 10°C, whereas the…

Q: An adult eats food whose nutritional energy totals approximately 2400 Cal per day. The adult burns…

A: Energy intake = 2400 Cal per day. Energy consumed = 2200 Cal per day.

Q: Type of Heat Transfer: Conduction, Convection, Radiation 1) Energy transferred by electromagnetic…

A: Heat Transfer;  It is defined as the transfer of heat between two bodies having different…

Q: 14. A 10.0-g sample of water requires 418 J of energy to increase in temperature by 10°C, whereas a…

A: Given: Qwater = 418 J Qcopper = 38.5 J Mass of water = mass of copper = 10 g ∆T = 100C

Q: How many kilocalories are required to heat 100g of water from 34.2°C to 96.5°C?

A: Since the heat required for the heating process is given by  Q = mCΔT  where Q = heat or energy…

Q: Calculate the amount of heat required to raise the temperature of 24.2 g of water from 1.3°C to…

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between system…

Q: A light bulb consumes energy at a rate of 80.0 joules per second. How long in seconds will it take…

A: Its given that the light bulb consumes 80 Joules of energy per second. We have to find the time…

Q: Supposed you want to cool a liter of water (equivalent to 1 kilogram) from room temperature (26°C)…

A: Heat flow from high temperature to low temperature. We will use Q= mc(T2-T1)

Q: How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL of…

A: Since the density of coffee is 1.0 g/ml.Mass of 180ml coffee is 180 g.If the final Temperature is…

Q: Suppose that 162 mL of water changes in temperature from 68.36°C to 76.34°C. What is qxn in joules?…

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Q: The power ratings of microwave ovens are listed in watts (1 watt =1 J/s). How many seconds will it…

A: Specific heat capacity is defined as the quantity of heat absorbed by 1 g of substance to raise the…

Q: Calculate the kilocalories needed to heat 4.5 kg of water from 22 Celsius to 23 Celsius

A: Energy is required to raise the temperature of water from 22 degree C to 23 degree C.

Q: 1.Neon, a gaseous element used in neon signs, has a melting point of -248.6 °C and a boiling point…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: How much heat is needed to heat 25.00 grams water from 10.00 degrees C to 25.00 degrees C

A: Specific heat capacity (s) :- The amount of heat required to increase the temperature of one gram ia…

Q: Chemistry A 50.0 g sample of propane is cooled from 50 °C to 0 °C. What was the change in energy of…

A: According to the question, the propane gas is being cooled from 50°C to 0°C and for that process of…

Q: A water heater contains 54 gal of water. How many kilowatt-hours of energy are necessary to heat the…

A: Step 1-We have to calculate the value of energy in kilowatt hours necessary to heat the given water…

Q: How much energy is required to raise the temperature of 47.05 mL of water from 25.52°C to 27.89°C?…

A:

Q: A backpacker wants to carry enough fuel to heat 2.4kg of water from 25 C to 100.0 C. If the fuel he…

A: Given: Mass of water= 2.4 kg Initial temperature= 25 C Final temperature= 100.0 C

Q: Consider a cloudless day in which the sun shines down across the united states. if 2659 KJ of energy…

A: Given:The amount of heat energy that reaches a square meter of U S in one hour = 2659 KJArea of…

Q: Enter your answer in the provided box. A 244-g aluminum engine part at an initial temperature of…

A: 16. Given information,    Mass of Al engine part = 244 g    Initial temperature = 11.19 0C = 284.19…

Q: An adult eats food whose nutritional energy totals approximately 2100 Cal per day. The adult burns…

A:

Q: what is its final temperature?

A:

Q: A 54-woman eats a 450 Calorie hamburger for snacks. How many joules of energy is the equivalent of…

A: Energy is the capacity to do work. There are different units to measure energy. They are measured in…

Q: If a glass of water and a lake have the same temperature, which has more thermal energy?

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Q: A 41.5 g silver spoon at 18.7°C is placed in a cup of coffee at 93.8°C. A short time later, the…

A: The heat lost by the coffee cup is gained by silver spoon. This relationship can be written as shown…

Q: You have piece of copper that has a mass of 6.2 grams. How much energy/heat (in units of Joules) is…

A: Specific heat capacity is amount of heat needed to increase the temperature of one gram of substance…

Q: The energy transformation in the picture below shows a change from A. chemical to thermal and light…

A: The energy transformation taking place is given as,