59. An adult eats food whose nutritional energy totals approxi- mately 2.2 x 10 Cal per day. The adult burns 2.0 × 10° Cal per day. How much excess nutritional energy, in kilojoules, does the adult consume per day? If 1 lb of fat is stored by the body for each 14.6 × 10° kJ of excess nutritional energy consumed, how long will it take this person to gain 1 lb?

Q: Calculate the amount of heat (in J) required to raise the temperature of 6.35 g of copper from…

A:

Q: Equal amounts of heat are added to equal masses of substances A and B at the same temperature, but…

A: Let us assume both the substances A and B have mass of m kg each, initial temperature be T. Let the…

Q: How many calories of heat (energy) would it take to heat 25.0 g of water from 35.0 °C to 45.0 °C?…

A: Given, Mass of water(m)= 25g Final temperature = 45°C Initial temperature = 35°C Temperature…

Q: (a) A 2-inch piece of two-layer chocolate cake with frosting provides 1670 kJ of energy. What is…

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

Q: How many calories of energy does it take to heat 17.10 grams of water from 30.3 °C to 85.1 °C? Note:…

A: •Firstly discuss about SPECIFIC HEAT:-Specific heat is required energy in calories to increase…

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 chemist heats the block of copper, then places the metal sample in a cup of oil at 25.00 C instead…

A: Since the final temperature of oil will be same as that of copper block as they reached equilibrium…

Q: A metal is thought to be silver or iron. When 8.0 g of the metalabsorbs 23.50 J, its temperature…

A: (a) q = ms∆T 23.50 = 8.0 x s x ( 6.5 0 s = 0.45 J/g °C   (b) metal will be iron.

Q: How much energy does it take to heat a cup of water (242 g) from room temperature (21.0°C) to its…

A: Step 1) Specific heat says that how much heat is required to raise that temperature 1 g of a sample…

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

A:

Q: How much heat in calories does it take to raise the temperature of 5 grams of water from 22 C to 38…

A: Specific heat capacity of water is 4.18

Q: How much energy must be removed from 13.7 grams of gaseous helium in order to decrease the…

A:

Q: A 65 kg person walking 6.5 km/hr requires 1390 kJ of energy per hour. How much further does he have…

A:

Q: How much heat, in joules and in calories, is required to heat a 28.4-g (1-oz) ice cube from −23.0 °C…

A: Given : Mass of ice cube = 28.4 g Initial temperature of ice cube = -23.0 oC And final temperature…

Q: The specific heat of a certain type of cooking oil is 1.75 J/(g-°C). How much heat energy is needed…

A: Initial temperature = 23°C Final temperature = 191°C Change in temperature= (191-23)°C=168°C…

Q: 1. How many calories of heat (energy) would it take to heat 21.0 g of water from 31.0 °C to 57.0 °C?…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Calculate the amount of heat required in kJ to raise the temperature of 250.0g of hot chocolate from…

A: Given that: Mass of hot chocolate (m) = 250.0 g Initial temperature = 25°C Final temperature = 80°C…

Q: Resting metabolism. Suppose a body loses heat to the environment at the rate of 100 J/ hr. How long…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: 22.0 g of a metal absorbs 713 J when it is heated from 28.3 degrees to 72.8 degrees what is the…

A:

Q: Ethanol and gold each absorb the same amount of heat energy at room temperature. If ethanol has a…

A: As we know, amount of heat added is expressed as Q= mc ∆t Where Q=Amount of Head Added c =Specific…

Q: An 80.0 g sample of metal, initially at 96.0°C, is placed into 150. g of water initially at 26.0°C…

A: This is the thermo-equilibrium situation.  Loss of heat of the metal = Gain of heat by the water

Q: How many calories are required to raise the temperature of a 73.0 g sample of gold from 26.0 °C to…

A: q = mc∆T  q is the amount of heat energy required  m is the mass of substance  c is the specific…

Q: A 1489 kg1489 kg car is traveling down the road at 100.2 km/h.100.2 km/h. While traveling at this…

A: Mass = m= 1489kg. Velocity v = 100.2km/h = 100.2×5/18 = 27.7m/s (1km/h =5/18 m/s).

Q: The sketch below shows two identical beakers with different volumes of water at the same…

A: The heat capacity is the ratio of the energy supplied in the form of heat to the rise in the T of…

Q: When 1.000 g of olive oil was completely burned in pure oxygen in a bomb calorimeter, the…

A:

Q: A student burns a small snack food item and finds that it releases 40,800 J of energy. How many…

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

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: 1. Ethanol has a specific heat of 2.44 J/g-°C. What does that mean?

A: Given Specific heat of Ethanol  = 2.44 J/g°C What does it defines = to be determined

Q: A metal radiator is made from 13.96 kg of iron. The specific heat of iron is 0.449 J/g °C. How much…

A: Given;

Q: 5) A 70.0-g piece of metal at 80.0 °C is placed in 100 g of water at 22.0 °C contained in a…

A: Introduction: Specific heat of a substance is defined as the heat required by the unit mass of…

Q: how many joules does it take to heat a 2.50 g silver (Csilver = 233.0 J/kg C) bracelet from 25.0 C…

A:

Q: How many calories are required to raise the temperature of a 150.g sample of gold from 25 Celsius to…

A: Given data is as follows: The mass of the gold sample = 150 g The initial temperature of gold Ti= 25…

Q: How much heat, in joules and calories, is needed to heat up 1.00 mL of water from 22.3°C to 87.6°C?

A: We have given that Volume of water= 1ml We know that  Density of water = 1g/ml Mass of water = 1g…

Q: A 56 kg person walking 6.8 km/hr requires 1260 kJ of energy per hour. How much further does he have…

A: Given, Weight of person = 56 Kg Energy required to walk 6.8 Km/hr = 1260 KJ per hour. Energy…

Q: A metal radiator is made from 25.07 kg of iron. The specific heat of iron is 0.449 J/g °C. How much…

A: The mass of iron metal is = 25.07 kg The heat capacity of iron metal is = 0.449 J/goC Increase in…

Q: A metal is thought to be copper or gold. When 18 g of the metal absorbs 58 cal, its temperature…

A: Given, Mass of unknown metal = 18 g Temperature = 35℃ Heat = 58 cal

Q: How many calories of heat (energy) would it take to heat 13.0 g of water from 35.0 °C to 55.0 °C? q…

A:

Q: 4. If 18 grams of Ca(OH), is added to 150 ml of water and there is a temperature change from 25°C to…

A: We have to predict the temperature change.

Q: A 2.15-gram raw cashew nut is burned. The heat released raises the temperature of a 100.0-gram…

A: Given : Mass of water = 100.0 g Mass of cashew = 2.15 g Initial temperature of water = 18.2 oC Final…

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

A:

Q: A student heats a piece of 130 g of an unkown grayish metal to a temp. of 99.2 °C. she places the…

A: Given;

Q: The heat from a candy bar's Calories can raise the temperature of a 4.50 kg bucket of water from 4°C…

A:

Q: 1. A 1.60g sample of a metal that has the appearance of gold requires 5.8J of energy to change its…

A: Given,  Mass of the metal = 1.60 g  Initial temperature = Ti = 23.0 0C Final temperature = Tf = 41.0…

Q: When a 20-g of a metal is heated with 140 J of energy, the temperature increases from 20.0°C to…

A: In given question  Heat = ms∆t formula used.

Q: When we see that 10 gummy bears are 80 Calories meaning that each bear is 8 Calories, this really…

A: 10 gummy bears = 80 calories.  1 gummy bear = 8 calories. 1 calorie = 4.184 J 1 kJ = 1000 J.

Q: An chemistry professor stops in every day and orders 250 ml of Sumatran coffee at precisely 95°C. He…

A: Given : Volume of coffee = 250 mL Initial temperature of coffee = 95 °C Initial temperature of milk…