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

Q: Change 37 degrees Celsius to kelvin

A: Both Celsius and kelvin are scale used for temperatures.

Q: Suppose that 240 mL of water changes in temperature from 57.62°C to 56.32°C. What is qwater in…

A: Dear student I have given answer to your question in the image format.

Q: A Big Mac hamburger from McDonald’s contains 540 Calories. (a) How many kilojoules does a Big Mac…

A: The conversion formula between kcal and kJ is shown below. 1 kcal = 4.184 kJ The relation between…

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

A: rate of energy consumption = 80.0 J/secondEnergy consumption by bulb = 2.30105 Jtime required =?

Q: a 43.0 g piece of hot iron is placed in 158.1 g of water with an initial temp of 23.9 degree…

A: Heat lost or gained is calculated by the formula Q=mcΔTwhere,Q=heatm=massc=specific heat…

Q: How much lead shot needs to be heated to 389 degrees C when placed in 78.6 g water that started at…

A: When any hot substance gets contacted with cool substance, the heat starts moving to cool substance…

Q: If a wheelchair-marathon racer moving at 13.1 miles per hour expends energy at a rate of 655…

A: Given ;   Racer move=13.1 miles/hour  Expands energy=655 cal/hour  Energy required to complete…

Q: One half pounds of water absorbed 6.4 kcal of energy. The specific heat of water is 4.18 J/g-°C. If…

A: Firstly we have to convert kcal to joule, then convert Farenheight  to degree Celsius.   Also mass…

Q: Calculate the kilocalories needed to heat 4.8kg of water from 22°C to 26°C.

A: Amount of heat,Q required to raise the temperature of a substance of mass ,m and specific heat…

Q: A coal-burning power plant generates 3.5 x 1016J per year. If the coal yields 37 kJ/g, how many…

A: The amount energy produced by coal burning power plant per year = 3.5 x 1013 kJ

Q: Convert -25oC to kelvins.

A: Convert -25oC to kelvins.

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: a ball has a kinetic energy of 106 J. If the ball is moving at a velocity of 2.51 m/s, what is the…

A: Since , Kinetic energy =1/2 mv 2 Where m = mass (in kg ) V= speed (in ms -1)

Q: A 25.00 gram sample of an unknown metal initially at 99.0 degrees Celcius is added to 50.00 grams of…

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Q: Calculate the amount of heat needed to boil 18.6 g of hexane (C6H₁4), beginning from a temperature…

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Q: A peanut butter sandwich provides about 1.1 ✕ 103 kJ of energy. A typical adult uses about 95…

A: The solution I have typed below.Explanation:Step 1:A peanut butter sandwich provides energy equals…

Q: A young inventor approaches you with their invention: they propose a solar-powered water-bottle,…

A: Step 1:To determine if the solar-powered water bottle can meet the daily water requirement of 2l ,we…

Q: The temperature of a recently deceased body drops from 35.6°C to 27.8°C after one hour.  What will…

A: Given : Initial temperature of body = 35.6 °C Temperature of body after 1 hour = 27.8 °C And…

Q: When 2 kg of water vapor cools to a temperature of 373 K, the value of q=-930 KJ. If the specific…

A: Formula used for calculation of q= mC∆T

Q: it takes 78, 21 raise the temperature of gold (S(Au) = 0.128 / (g ^ 0) * C) from 25.00 °C to 38.30…

A: It is the heat energy required biomass to increase the temperature of one gram of mass by 1°C

Q: Complete the following table. Round each of your answers to 3 significant digits. energy content…

A: Relation between cal and kcal is given as One cal = 10-3 kcal Relation between kcal to kJ One kcal =…

Q: calories

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Q: If a person practicing yoga for one hour burns 235 kilocalories (kcal), how many joules (J) of…

A: Answer : We have to calculate energy in terms of Joules . Explanation : Person is practising yoga…

Q: A ball has a kinetic energy of 5.90 kJ. If the ball has a mass of 120.0 g, how fast is the ball…

A: Given -->  kinetic energy (K.E) =  5.90 kJ  mass of the ball(m) = 120 g  velocity of the ball (v)…

Q: Suppose we mix 11.0 grams of hot water (85.0 degrees Celsius) with 52.0 gram of cold water (3.0…

A: Mass of hot water, mh=11.0 g Temperature, T1=85.0o C Final temperature, Tf=? Mass of cold water,…

Q: Copper(1) oxide can be oxidized to copper(II) oxide: Cu₂0 (s) + O₂(g) → 2 CuO (s) AHO 2 rxn Given AH…

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Q: Calculate the amount of heat, in J, required to warm 224 g of sand from 25.0 ºC to 284 ºC.  The…

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Q: A 25.00 gram sample of an unknown metal initially at 99.0 degrees Celcius is added to 50.00 grams of…

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Q: A sheet of gold metal that has a mass of 100.0g and has a temperature of 18.0 degrees C is placed…

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Q: How much energy (in J) is lost when a sample of iron with a mass of  28.3g cools from 64.0 ∘C to…

A: Mass of Iron sample, M  = 28.3 g  Change in temperature, ∆t = (64.0 ∘C -27.0 ∘C) = 37.0 ∘C The…

Q: Calculate the amount of heat needed to boil 59.8 g of acetic acid (HCH3CO₂), beginning from a…

A: Given :- mass of acetic acid = 59.8 g               initial temperature = 117 °C To be calculated =…

Q: what volume of water (in ml), initially at 54.3 C, needs to be mixed with 146ml of water, initially…

A: The formula used here is given below q=mC∆Twherem is the mass of sampleC is the specific heat and∆T…

Q: A person uses 740 kcalkcal on a long hike. Calculate the energy used for the hike in each of the…

A: Given, Energy = 740 kcal Energy= ? Joules Note:  1 kcal = 4184 Joules

Q: Suppose you can climb stairs at a rate of 101 steps/min, which typically burns calories at a rate of…

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Q: How much energy is needed to convert 52.3 grams of ice at 0.00°C to water at 61.2°C? specific heat…

A: Temperature of ice = 0.00 0C =TiFinal temperature = 61.2 0CMass of ice = 52.3 gSpecific heat of ice…

Q: When a hot object is placed in a water bath whose temperature is 25°C, it cools from 100°C to 50°C…

A: To determine the temperature of the second bath, we can apply Newton's Law of Cooling, a principle…

Q: A piece of metal weighing 59.6 g with a specific heat of 0.59 Jg1°C-! at 1197.5 °C is dunked into a…

A: When the hot metal is dunked into the water, the heat is released by the metal and the equal heat is…

Q: While they absorb moisture and generate heat, 12 g of Wool fibers were used to warm up 38 g of water…

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Q: A patient in physical therapy begins a rigorous daily exercise regimen that will expend 600.0…

A: There are various units of energy. Some are calories, joules, nutritional Calorie, etc.

Q: Convert 28°F to °C

A: Given value is in °F  We know the relationship between °F and °C  F-32/9=°C/5 Put the value of °F in…

Q: A student has a sample of water at 36.0 degrees Celsius and they add some ice, which melts. After…

A: Initially temperature of the water = 36.0 °C  After adding some ice, temperature of water = 22.4°C…

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: A piece of cobalt (cp = 0.46 J/g⋅⋅°C) originally at 98.6 °C is placed into a coffee cup calorimeter…

A: Specific heat of cobalt =  0.46 J/g°C  Initial temperature of Cobalt = 98.6 °C Final Temperature of…

Q: Convert 100.6°F to °C and K

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Q: How much heat (in joules) is used to heat a 38.38 gram sample of iron from 5.56 degrees Celcius to…

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Q: Suppose that 140 mL of water changes in temperature from 52.11°C to 37.47°C. What is qwater in kJ?…

A: Applying formula of heat  Q= mc∆t

Q: A 25.00 gram sample of an unknown metal initially at 99.0 degrees Celcius is added to 50.00 grams of…

A: Given data contains, Mass of unknown metal = Mm = 25.0 g Initial Temperature of unknown metal =Tm =…