How many kJ in 2 tablespoons of crunchy peanut butter that contains 6 g of carb. 14 g of fat and 9 g of protein

Q: A pound of body fat stores an amount of chemical energy equivalent to 3500 Cal. When sleeping, the…

A: A pound of body fat stores an amount of Chemical Energy equivalent to 3500 Cal. Also, while sleeping…

Q: Suppose you burn a 2.3 g sample of potato chips. You use the heat given off from that process to…

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Q: 4 NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H2O (g), from the following data: N2 (g) + O2 (g) → 2 NO (g) AH…

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Q: a sample of octane is burned in a bomb calorimeter containing 1.00 x 10^2 g H2O. If the water temp…

A: The amount of heat absorbed (or released) by fixed amount of a substance to change its temperature…

Q: Consider these reactions: Reaction 1: H2 (9) + Cl2 (g) → 2HC1(9) AH=-184.6 kJ %3D Reaction 2: 20F2…

A: ->If ∆H = +ve => reaction is endothermic reaction ->if ∆H = ,-ve => reaction is…

Q: LiAlH4 and NaBH are used to? None are correct reduce arenes. All are correct reduce carbonyl groups.…

A: Lithium aluminium hydride (LiAlH4) and sodium borohydride (NaBH4) both are reducing agent.

Q: A 1.0g sample of a candy bar was bumed in a bomb calorimeter. A 3.0 °C temperature increase was…

A: The mass of 1.00x103 g of water in kg is 1.00 kg. 1000 g=1.0 kg1.00×103 g=1.0 kg

Q: A patient recieves 2.5 L of intraveous (IV) glucose solution. If the liquid contains 5.0 g glucose…

A: The calorific value of any substances is energy produced by the metabolism of 1 g of that given…

Q: One cup of soft-serve ice cream contains 34 g of carbohydrate, 12 g of protein, and 24 g of fat. How…

A: Given that,

Q: The reaction for the combustion of propane is C₂H₂(g) +50₂(g) → 3 CO₂(g) + 4H₂O(1) heat: ΔΗ =…

A: Given combustion reaction; C3H8(g) + 5O2(g) ---> 3CO2(g) + 4H2O(l) delta(H) = -526.3 kcal/mole…

Q: Consider these reactions: Reaction 1: H2 (g) + Cl2 (g) 2HCI(g) AH =-184.6 kJ %3D Reaction 2: 20F2(g)…

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Q: When 1.3 g of KClO3 was added to 151.1 g of water in a calorimeter, the temperature dropped by 0.588…

A: Given, Mass of KClO3= 1.3g Mass of water= 151.1g Temperature dropped(dT)=0.588°C  The heat capacity…

Q: A 262-mL sample of a sugar solution containing 1.22 g of the sugar has an osmotic pressure of 30.3…

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Q: A 3.00 g sample of food was burned in a bomb calorimeter. The temperature of 1 kg of water was…

A: Given data: Temperature raised from 25.0 to 36.4oC Cp of water = 1.00 cal/goC mass of water = 1 kg…

Q: Perform the conversions between energy units. 441 kJ= 2715 kcal = J kJ

A: For KJ to J, multiply the energy value by 1000.For KCal to KJ, multiply the energy value by…

Q: A student performs a calorimetry experiment. The student combines 100. g of 0.40 M HC1(aq) with 100.…

A: Heat absorbed by the particular species = mass × heat capacity × temperature change

Q: How many calories are in 8771 kJ ? (1 cal = 4.18 J)

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Q: A serving of a breakfast cereal contains 3 g of protein, 18 g of carbohydrates, and 6 g of fat. What…

A: Given the average number of calories produced by combustion of 1 gram of fat is 9.1 calories, 1 gram…

Q: The combustion of 1 mol of propane (C3H8) evolves 2220 kJ of heat. How much heat is released or…

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Q: A pint of premium ice cream can contain 1100 Calories. What mass of fat, in grams and pounds, must…

A: Given the average number of calories produced by combustion of 1 gram of fat is 9.1 calorie But also…

Q: Let's consider aspartic acid (C₂H,NO), one of the amino acids from which proteins are made, and…

A: Given: The energy content of food is roughly proportional to the carbon content. When food is burnt…

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

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Q: Calculate AH dissolution, the enthalpy for the dissolution process in water, per mole of NaOH.…

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Q: To measure the caloric content of a new breakfast bar, you burn a 2.00 g sample in a calibrated bomb…

A: Given : Mass of breakfast bar = 2.00 g                             Heat capacity of calorimeter =…

Q: A sample of 24.9 g of ammonium nitrate, NH4N03, was dissolved in 121.3g of water in a coffee cup…

A: Mass of sample (ammonium nitrate) = 24.9 gram Mass of water = 121.3 gram Specific heat of solution =…

Q: 1. Complete the following: Name of product: pastry crisps fat grams _x 9 kcal/g kcal %3D Mass in one…

A: Total grams multiplied by energy in Kcal/g will help in calculation of total calories.

Q: 14.64 grams of water are heated with a 0.426 g piece of flammable food containing 210 kcal per 125…

A: By assuming that heat absorbed by water is only from the energy released by the flammable food and…

Q: How many Joules are there in 54.0 kcal? (1 cal = 4.184 J)

A: One calories is equal to 4.184 joule.                1 kcal = 1000 cal.…

Q: A 7.37 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Given, Mass of sample = 7.37 gMass of water = 150 g Mass of solution = 157.37 g Initial temperature…

Q: A 2.5 g sample of french fries is placed in a calorimeter with 500.0 g of water at an initial…

A: This problem is based on calorimeter where we need to find out Caloric value of the French…

Q: When NO(g) reacts with O₂(g) according to the following reaction, 13.93 kcal of energy are evolved…

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Q: An unknown organic compound is being proposed as an alternative to gasoline. The enthalpy of…

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Q: Calculate the Calories for 1 cup of green peas which contain 19g carbohydrates, 1 g of fat and 9 g…

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Q: An aluminum spoon (86g and a specific heat of 0.88 J/g °C) at 22 °C is placed in 325 mL (325 g) of…

A: Mass of aluminium spoon = 86 g Specific heat of aluminium = 0.88 J/g oC Initial temperature of Al =…

Q: A single serving bag of snack chips contains 71.0 Cal. Assuming that all of the energy from eating…

A: Energy is used in every process of body but as per question all the energy is used for heartbeat…

Q: Consider the reaction Part A CO (g) + H2O (g) = CO2 (g) + H2 (g) K. = 102 at 500 K What will be the…

A: Given: A reaction, CO(g)+H2O(g)⇌CO2(g)+H2(g) Kc=102 @ 500 K Concentration of CO=0.115 M…

Q: For the reaction: CH3OHu +3 Ozg → 2 COz +4 HzOn+347 kcal 3 a. Is the reaction endothermic or…

A: Given reaction is :  2CH3OH (l) + 3O2 (g) ----------> 2CO2 (g) + 4H2O (l) + 347 kcal (a). Is the…

Q: The reaction 180 kJ + N2 (g) + O2 (g) → 2NO is __________, and therefore heat is __________ by the…

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Q: Fat Requirements (eat healthy fats such as vegetable oils, fish oil, hummus, avocados, nuts and…

A: According to the Institute of Medicine suggestion: Adults eat 30 percent of their daily calories…

Q: 18. Answer the following questions using the given equation and AH. (d) Adding so 6 CO2(g) + 6 H20…

A: The given reaction is, Heat of reaction (∆H) is also called as enthalpy of reaction. ∆H is the…

Q: How much heat (in kilocalories) is evolved or absorbed in the reaction of 1.21 g of Na with H2O?…

A: