Calculate the kilocalories needed to heat 4.5 kg of water from 22 Celsius to 23 Celsius
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Q: How many kilocalories are lost when 580g of water cools from 67 degrees celsius to 22 degrees…
A: Given : Mass of water = 580 g Initial temperature of water = 67 oC And final temperature of water =…
Q: An adult eats food whose nutritional energy totals approximately 2200 Cal per day. The adult burns…
A: The excess nutritional energy consumed per day is determined as follows,
Q: Kilocalories to heat 140 g of water from 15 C to 75 C. Express in two significant figures
A: The amount of heat energy absorbed by water by changing its temperature from 15oC to 75oC: where,…
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: Calculate the amount of heat required to raise the temperature of a 34 gg sample of water from 9…
A: The heat required to raise the temperature of a sample is given by q = mc∆T where q is the heat m…
Q: Complete the following table. Round each of your answers to 3 significant digits. energy content…
A: We know that 1 cal = 4.184 J 1 kcal = 4.184 kJ 1 kcal = 1000 cal
Q: Which of the following units of energy is defined as the heat it takes to raise the temperature of 1…
A: Correct Answer - E) calorie Because calorie is defined as the amount of heat is required to…
Q: How much energy is absorbed or lost in each of the following? Calculate your answer in both calories…
A: Heat required is given by the formula, q=m.C.∆T where m is the mass, C is the specific heat and ∆T…
Q: An adult eats food whose nutritional energy totals approximately 2200 Cal per day. The adult burns…
A: The amount of energy which is accumulated as fat in one day is 2200cal – 2000cal = 200cal. The…
Q: How much energy is released when 200. g of water is cooled from 55 °C to 12 °C? Report your answer…
A: Given data mass of water: m = 200 g Initial temperature of water : T1 = 55 oC Final temperature of…
Q: The heat required to raise the temperature of a large cup of water(for coffee) from room temperature…
A: Heat required (q) = 100KJ We know that: 1kcal = 1000cal = 4.184KJ
Q: A hot tub holds 350.0 liters of water. How much energy, in kilocalories (kcal), would be required…
A: Given : Volume of water = 350.0 L Density of water = 1.000 g/mL = 1.000 Kg/L (since 1…
Q: A breakfast of cereal, orange juice, and milk mightcontain 230 nutritional Calories. Express this…
A: Given: A breakfast of cereal, orange juice, and milk might contain 230 nutritional Calories
Q: 1) A 12 oz. can of soda weighs about 450 grams. How many joules are released when a can of soda is…
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…
Q: Perform each conversion between energy units. 3.71×106 kJ to kcal Express the value in kilocalories…
A: 1 Kcal = 1000 cal 1cal = 4.184J 1Kcal = 4.184J
Q: if a gas stove releases 120 kJ of heat energy, what is the energy in kilocalories? (1 cal = 4.184 J)
A: Relation : 1 cal = 4.184 J 1 J = 14.184 cal 120 kJ = 120 x 14.184 kcal = 28.68 kcal
Q: 62. List the energy conversions that occur in the process from the time water is about to enter a…
A: The law of conservation of energy states that energy can neither be created nor destroyed it can…
Q: In the lab, a cube of granite has a mass of 25.9 grams and its temperature rises from 25.1°C to…
A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between system…
Q: A 2.5 kg sample of copper at 24.1 degrees C experiences a change in temperature to 19.7 degrees C.…
A: The given problem can be solved by using the formula given below as; q = m C ∆T…
Q: 8. (3-step conversion) Howmany kilocalories in 54.3 J?
A: Given : 54.3 joules To convert into : kilocalories
Q: Mg(OH)p(s) → Mg0(s) + H;O(1) Express your answer in kilojoules to one decimal place. kJ
A: Given:
Q: A 3.00 kg sample of water is heated from 14 degrees celsius to 53 degrees celsius. How much energy…
A: Given,Mass of water = 3kgInitial temperature = 14 degrees CelsiusFinal temperature= 53 degrees…
Q: When a 43.0 g piece of aluminum was placed in 250. g water at 20.4 degrees C, the temperature raised…
A: Given data: Mass of the aluminium, M = 43.0 g Specific heat of the steel, Caluminum = 0.900 J/g/oC…
Q: In the lab, a cube of granite has a mass of 11.5 grams and its temperature rises from 21.2°C to…
A: The key to solving the problem of calculating heat absorption is the concept of specific heat…
Q: The combustion of 45.0 g of methane (natural gas) releases 2498 kJ of heat energy. How much energy…
A: Click to see the answer
Q: Perform the following conversion: 575 calories to Joules (J)
A: Click to see the answer
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: Convert the temperature of scalding water, 54 °C, into degrees Fahrenheit and kelvin.
A: Given, temperature at scale degree centigrade =54 °Cwe are asked to convert this temperature into…
Q: How many milliliters of water at 23 °C witha density of 1.00 g/mL must be mixed with 180 mL of…
A: Given information, Initial temperature of the water = 23oC Final temperature of the water = 45oC…
Q: Which one of the following is a unit of energy? A) exajoule B) bushel C) Volt D) millitorr E)…
A: Which one is unit of energy= ?
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: A nutritional bar contains 8575 nutritional calories. How many joules of energy is this?
A: Click to see the answer
Q: Equal masses of the 3 substances were left to sit in the sun at the same time and for the same…
A: Specific heat capacity :- Heat required to raise in temperature of 1gm by unit kelvin.
Q: Equal masses of the 3 substances were left to sit in the sun at the same time and for the same…
A: Click to see the answer
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: Two units of measurement for energy are calories and joules. The measurement of 32.3 kj is the same…
A: Energy can be measured in Joules as well as in Calories and Joule is the SI unit of energy.…
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 43g of chocolate has 2.10 x 102 calories. convert this energy to units of joules
A: Given data, 43g of chocolate has 2.10 x 102 calories.
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: The combustion of a peanut releases 6 kcal of heat. Convert this energy to J.
A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…
Q: 9. 73. Complete the table. Kelvin Fahrenheit Celsius 0.0 K -273.0 °C 82.5 °F 8.5°C
A: The relationship between Fahrenheit temperature and Celsius temperature is as follows: The…
Q: How many grams of natural gas (CH4) must burn to emit -249 kJ of heat? CH4 + 202 --> CO + 2H20 AH =…
A: Enthalpy change = -802 kj/mol Amout of heat required = - 249 kj
Q: Which Units Would A Scientist Use? Pleaar idemih ae wk baar awt anwhrevanriny h Aireing ivou koy…
A: Given that : We have to determine which units would a scientist use for the given statements from…
Q: heat + Cl2 heat + Cl2
A: Click to see the answer
Q: Part 1: what is the total calories that the man would gain if he only ate 225 grams from his steak?…
A: Given, mass of steak = 16 oz
Q: A sample of water is cooled from 45 degrees Celsius to 25 degrees Celsius by the removal of 20…
A: Since the heat involved in the process of cooling or heating is given by Q = mCΔT where Q = heat…
Q: Classify each of the following processes as a physical change or a chemical change and as an…
A: Hydrochloric acid is a very strong acid which also vaporises at room temperature which makes it…
Q: Convert the boiling temperature of liquid ammonia, −28.1 °F, into degrees Celsius and kelvin.
A: The boiling temp. is the temp. at which the atmospheric pressure and the vapor pressure of a liquid…
Q: How many Calories are in 4406 J? Round to two decimal places.
A: The magnitude of a quantity in one unit can be converted to the other unit by addition, subtraction,…
Q: Calculate the heat change in calories for condensation of 13.0 g of steam at 100° C. Express your…
A: " Since you have asked multiple questions, we will solve the first question for you. If you want any…