Natural gas, or methane, is an important fuel. Combustion of one mole of methane releases 802.3 kilojoules of energy. How much energy does that represent in kilocalories?   Select one: a. 1.92 x 10-1 kcal b. 1.92 x 102 kcal c. 1.92 x 105 kcal d. 3.36 x 103 kcal e. 3.36 x 106 kcal

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: Carlys meal is 834 total kcals. Her meal is 54% carbohydrate, 25% protein, and 21% fat how many…

A: Let the mass of the food be x g. Amount of carbohydrate present in the food = 0.54x g Amount of…

Q: 4. A marble is added is added to 40.0g of water. The initial temperature of the water is 25 degrees…

A:

Q: How many calories are needed to raise the temperature of 89 g of water 2°C?

A: Here we have to apply the formula for heat  mass = 89g

Q: Combustion of 1 g of gasoline releases 11.5 kcal of energy. How many kilojoules of energy are…

A: The combustion energy of 1 g of gasoline is = 11.5 kcal The combustion energy of 74.453 g of…

Q: 21.0 calories is equal to how many joules?

A:

Q: You heat 2 g of water from 25 °C to 26 °C. How many calories of energy are transferred to the water?…

A: Given:  Mass of water = 2g  ∆T = 26-25 = 1°C  Cwater = 1 cal/g°C

Q: How many Kcal of heat is needed to increase the temperature of 800 grams water having   temperature…

A: We use the following formula, Q=mc∆t where m =mass of substrate                          C=specific…

Q: 54. Perform each conversion. (a) 345 Cal to kilowatt-hours (b) 23 J to calories (c) 5.7 × 10° J to…

A: Hi, since you have posted questions with multiple subparts we will answer first three subparts for…

Q: A serving of soup contains 3.0 g of fat, 19.0 g of carbohydrates, and 3.0 g of protein. Determine…

A: Given: Mass of fat = 3.0 g Mass of carbohydrates = 19.0 g And the mass of protein = 3.0 g

Q: Convert 17.3 JJ to Calories 132 kJkJ to Calories 56.2 CalCal to joules.

A: In this question, the energy values are provided and they have to be converted into mentioned units:…

Q: Convert this energy value to kilocalories (kcal). 153 kJ = kcal

A:

Q: Enter your answer in the provided box. Ammonia (NH3) decomposes to hydrogen and nitrogen and 22.0…

A:

Q: How much heat is required to raise the temperature of 34.0 g of water from-15 °C to 145 °C? heat:…

A: Given mass of water is 34.0g Initial temperature is -15oC. Final temperature is 145oC. How much heat…

Q: Combustion of 1g of gasoline releases 11.5 kcal of energy. How many kilojoules of energy are…

A: Given:Energy released per gram of gasoline =11.5kcalmass of gasoline, m= 79.007g1cal = 4.1868J

Q: How many calories are required to increase the temperature of 13g of alcohol from 11 degrees celsius…

A: q = mc∆T Where q = heat required  c = specific heat  ∆T = change in temperature

Q: Ammonia (NH3) decomposes to hydrogen and nitrogen and 22.0 kcal/mol of energy is absorbed.   2…

A: 2 NH3(g) → 3 H2(g) + N2(g)       ΔH = +22.0 kcal/mol   From this Reaction we get that ; When 2 mol…

Q: A fruit-and-oatmeal bar contains 142 nutritional Calories. Convert this energy to calories.

A: Solution- 142 nutritional Calories Convert this energy to calories-

Q: Calculate the number of joules in calories 258 calories =? JOULES 9740 J = ? CALORIES  PLEASE…

A: The energy is measured using units such as Calorie and Joules. The relation between Calorie and…

Q: Question 46 The number of calories needed to raise the temperature of 32.g of water from 12. C to…

A: In this question, we want to determine the value of heat ( q ) in Calories unit.  You can see…

Q: how much energy is (kcal) is required to melt 77g of ice at (0.0C) to liquid?

A: Given: The mass of ice=77 g  Tempearature=0 °C The heat of fusion for water  =333.6 J/g

Q: Part A During one week, Charles swam for a total of 2.5h and walked for a total of 8.5 h. If Charles…

A: Only first question is answered according to the policy

Q: Carbohydrates serve as a vital source of chemical energy to the human body. Carbohydrates are broken…

A: Given,Energy = 187kJ.

Q: How many calories are required to raise the temperature of 225g of water from 42.0 degrees C to 75.0…

A: Given that, Now, the heat required to raise the temperature is calculated by following equation:…

Q: When 1.0 g of gasoline burns, it releases 11 kcal. The density of gasoline is 0.74 g/mL. How many…

A: Gasoline is a refined form of petroleum that is use as fuels in running of vehicles and many other…

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

A:

Q: Convert each of the following energy units: a. 3500 cal to kcal b. 415 J to cal

A: Since you have posted a  question with sub-parts , we are entitled to answer the first three…

Q: Question 4 of 4 4. Match each term to the best description. Dietary 1,000 calories Kilocalorie…

A: Given , 1000 calories means kilocalorie is right answer  Also , water is 1.00 cal/g°C is specific…

Q: A 75.0 kg woman habitually eats nasi lemak for breakfast. It is known that a serving of nasi lemak…

A: To convert the energy contains of one serving of Nasi lemak given that each serving of Nasi lemak…

Q: When a 0.69-g sample of olive oil is burned in a calorimeter, the heat released increases the…

A: The amount of energy for a particular amount of matter present at specific temperature with specific…

Q: Running at a rate of 6 mi/h uses 668 Calories in an hour. Convert this value to  (a) cal/h  and…

A:

Q: calorimeter at 45.0°C. The final temperature of the water A piece of copper is placed in 75.0 g of…

A: The mass of water is = 75.0 g The initial temperature of the water is = 45.0oC The final temperature…

Q: calculate the heat, in kcal, required to raise the temperature of 35.6 g of water from 10 degrees…

A: The heat capacity of water states that when the temperature of 1 g of water is raised by 1 degree…

Q: Carbohydrates serve as a vital source of chemical energy to the human body. Carbohydrates are broken…

A: Generally, 1 kcal contains 4.184 kJ.

Q: Calorimetry Chart Mass of Food 20.7 g 3.2 g Mass of Food residue (after burning) Volume of water…

A: Here, food item was burned and subsequently heat of water increases . thus we see rise in…

Q: A piece of metal weighing 100 g was heated to 43.85 °C. (Initial temperature of metal was 23 ° C).…

A: Given:mass of metal, m1 = 100ginitial temperature of metal, T1 = 43.85oCfinal temperature of metal,…

Q: s the reaction in picture 1 exothermic or endothermic?

A: Given : We have to tell whether the given reaction is exothermic or endothermic.

Q: ai yas, or methane, is an important fuel. Combustion of one mole of methane releases 802.3…

A: Joule is the SI unit of work. Joule is defined as the amount of energy transferred to an object when…

Q: Convert 39.0 kJ to calories. Hint: Notice the little c in calories. 1 calorie = 4.184 joules 1…

A: Given that : We have to convert 39.0 kJ to calories. Also, 1 calorie = 4.184 joules 1 Calorie = 1000…

Q: Riding a bicycle at 12–13 miles per hour uses 563 Calories in an hour. Convert this value to (a)…

A: During the riding a bicycle  Energy use : Q = 563 calories…

Q: Use Numbers If sample A requires 10 calories to raise the temperature of a 1-g sample 1°C, how many…

A:

Q: A sample of 0.750 g of peanut butter was burned in a calorimeter filled with 300.0 g of water. The…

A: NOTE: The increase in the temperature should be 14.6 oC and not 146 oC because the water will…

Q: Natural gas, or methane, is an important fuel. Combustion of one mole of methane releases 802.3…

A:

Q: Part D Food calories D1 Name of food product Naked juice D2 Mass of food nutrients in one serving…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3 sub-parts. Please resubmit the…

Q: convert 23.4 kj to calories

A: Given, energy =23.4 kJand we are asked to convert this energy in calories.

Q: How much heat is required to raise the temperature of 44.0 g of water from -15 °C to 115 °C? heat:…

A: Given,  Initial temperature = Tinitial = -15 0C  Final temperature = Tfinal = 115 0C  Mass of water…

Q: 2) The approximate number of Calories C, that an animal needs each day is given by ? = 72?3⁄4 ,…

A: The approximate number of Calories C, that an animal needs each day = 72m3⁄4  cal…

Q: A 0.25 g sample of a pretzel is burned. The heat it gives off is used to heat 50. g of water from 18…

A: Given : Mass of pretzel = 0.25 g Mass of water = 50 g Initial temperature of water = 18 oC And final…

Q: One hour of bicycle racing can require 500-900 kcal of energy, depending on the speed of the race,…

A: Given that -  One gram of protein or carbohydrate produces = 17.0 kJ  Time = 195 minutes = 195/60 =…

Q: Natural gas, or methane, is an important fuel. Combustion of one mole of methane releases 802.3…

A: According to the question: combustion of one mole of methane releases 802.3 kilojoules of energy.