An adult eats food whose nutritional energy totals approximately 2200 Cal per day. The adult burns 2000 Cal per day. How much excess nutritional energy, in kilojoules, does the adult consume per day? Express your answer using one significant figure.

Q: A backpacker wants to carry enough fuel to heat 2.0kg of water from 25 degrees C to 100.0 degrees C.…

A: Given,Mass of water = 2.0kgInitial temperature = 25 degree CelsiusFinal temperature = 100 degree…

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: - Q2: A person swimming at 2 miles per hour requires 360 +46 Calories per hour per 100 pounds of…

A: A person swimming at 2 miles per hour requires 360+46 Calories per hour per 100 pounds of body mass.…

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: A chemist carefully measures the amount of heat needed to raise the temperature of a 480.0 mg sample…

A: Given: Mass of mercury=480.0 mg=0.4800 g Temperature change, ∆T=(48.8+273)-(35.2+273)=13.6 K Heat…

Q: A runner burns 2.56 x10^3 kJ during a five mile run how many nutritional calories did the runner…

A: Given : energy burned in KJ = 2.56 X 103 KJ

Q: A hot-water bottle contains 725 g of water at 73 °C. If the liquid water cools to body temperature…

A: Given: Mass of water=725 g Temperature change, ∆T=(37-73)°C=-36 °C Heat needed q =? kJ Specific…

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: It takes 770 joules of energy to raise the temperature of 50.0 g of mercury by 110-C. What is the…

A: Given  Heat q = 770 Joule Mass of mercury m = 50.0 g Temperature change ∆T = 110oC specific heat of…

Q: Water's heat of fusion is 80. cal/g , and its specific heat is 1.0 cal/g⋅∘C .Some velomobile seats…

A: Heat is consumed to convert frozen water to liquid water. The amount of heat consumed is the heat of…

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

A:

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: 1. Consider the following food label Serving Size 2tsp (5g) Serving per container about 5 Amount per…

A: To answer questions about the given food label.

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: 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: 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: in kJ? Suppose that 441 mL of water changes in temperature from 33.16°C to 58.2°C. What is (Assume…

A: Given that,  Volume of water taken in calorimeter = 441 mL Mass of water m = 441 g Since, density of…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 126.0 g sample…

A: Specific heat capacity is the amount of heat required to raise the temperature of a substance by 1…

Q: In the US, nutritional energy is reported in Calories (Cal). One nutritional Calorie is equal to one…

A:

Q: A typical recipe for a hot toddy (a drink often used as a cold remedy) is to mix hot water…

A: The amount of energy absorbed by 16 oz. of water is 33 kcal. The amount of hot water mixed with 1.5…

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

A:

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: A piece of metal weighing 83.60 g was heated to 99.6°C and then put into 41.90 g of water (initially…

A: Introduction: Specific heat: The quantity of heat required by a 1mole of substance to raise the…

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: 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: The average adult human burns 2.00 × 10³ kcal per day in energy. What is this rate in kJ per hour?

A: Given, energy burns by human in a day=2×103 kcal  In a day, there are 24 hours.  In 1 hour,energy…

Q: One cup of clam chowder contains 29g of carbohydrates, 16g of fat and 9g of protein Part A: how much…

A: We are given with 29g of carbohydrates, 16g of fat and 9g of protein. Also we have value of energies…

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: A chemist carefully measures the amount of heat needed to raise the temperature of a 446.0 mg sample…

A: Given, mass of a sample,m = 446.0 mg = 446.0×10-3 g The temperature rise from T1 = -3.8 oC  T2 =…

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: 1. A hot tub is filled with 570 gal of water a. What is the volume of water, in liters, in the tub?…

A: (a)Volume of water (in Liters) is calculated as follows,

Q: The nutritional calorie (Calorie) is equivalent to 1 kilocalorie. One pound of body fat is…

A: Given quantity of energy,       4.10 ×103 Calories

Q: If 52 J of heat is added to an aluminum can with a mass of 29.1 g, what is the temperature change?…

A:

Q: A generator consumes (2.690x10^1) L of fuel per hour. For how many minutes could this generator run…

A: 1 gallon = 3.7854 L 1 hour = 60 minutes

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

A:

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: A solar cell generates 500 kilojoules of energy per hour. To keep a refrigerator at 4°C, one needs…

A: About 250kcal/h is needed for running refrigerator. Given solar cell generates 500 kilojoules of…

Q: Calculate the amount of heat required to raise the temperature of 245.0 gg (approximately 1 cup) of…

A: Given data,

Q: what is its final temperature?

A:

Q: If 57 J of heat is added to an aluminum can with a mass of 25.0 g, what is the temperature change?…

A:

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: A packet of soup has the following nutritional information (250 mL of soup =235 kj) How would that…

A:

Q: Suppose that 880 mL of water changes in temperature from 20.20°C to 31.3°C. What is qwater in kJ?…

A: Interpretation: The heat gained (qwater) by water is to be calculated. Concept Introduction: Heat…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 191.0 g sample…

A: Thermochemistry is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: A nutritional bar contains 8575 nutritional calories. How many joules of energy is this?

A: