3.Convert 2770 calcal to its value in kilojoules. Express your answer to three significant figures and include the appropriate units. Use abbreviations for the units. 4. Convert 3.70 kcalkcal to its value in joules. Express your answer to three significant figures and include the appropriate units. Use abbreviations for the units.

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…

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A: The required volume of 1.750mM of glucose solution to prepare 100 mL with a 1/100 dilution factor is…

Q: Two units of measurement for energy are calories and joules. The measurement of 32.3 kj is the same…

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Q: Classify the following processes or chemical reactions as endothermic or exothermic Group of answer…

A: Exothermic reaction is the reaction in which heat is given out or heat is released. Endothermic…

Q: At a particular temperature, Kc = 1.6 x 10-2 for 2H2S(g) 2H2(g) + S2(g). Calculate Kc for 1/2S2(g) +…

A: The resultant chemical equation is obtained by inversing the original equation and dividing the…

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: How many calories are in 3.25x109 J?

A:

Q: Given that H2(g)+F2(g)⟶2HF(g)       Δ?∘rxn=−546.6kJ 2H2(g)+O2(g)⟶2H2O(l)  Δ?∘rxn=−571.6 kJ…

A: Some Basic Rule (1) If we multiply the any number in reaction then in the enthalpy ,that number is…

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

A:

Q: One cup of clam chowder contains 27 g of carbohydrate, 15 g of fat, and 9 g of protein. TABLE 3.7…

A: Food type kcal/g kJ/g Carbohydrate 4 17 Fat 9 38 Protein 4 17

Q: What specific value from the graph is needed to calculate the molar concentration of the NaOH(aq)?

A: Use the titration formula. If the titrant and analyte have a 1:1 mole ratio, the formula is molarity…

Q: Convert 0.554 cal x g^-1 x C^-1 to KJ x Kg^-1 x K^-1

A: Given: Specific heat capacity in cal/g.oC = 0.554 cal/goC.

Q: Convert the units below. Use dimensional analysis where appropriate. (а) 100 kcal%3D L atm (1 cal =…

A: Given  (a)  100 kcal  =    ______________  L atm. (b) -40.00°F   = ______________ K

Q: Question is attached

A: Which of the following units are equivalent to joule: (a) calorie (b) Kg m-1 s-2 (c) L atm (d) Kg m2…

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: How many calories are there in a 255 Calorie snack bar? 60.9 none of the above 1.07 x 103 2.55 x 105…

A: Option d is correct. 2.55 *10^5. There are 1000 calories in every Calorie.If you take 255 x 1000…

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A: The density and specific heat capacity of water at standard conditions are 1g/mL and 1 Cal/g.0C.

Q: Convert 3.97×1010 J to units of kcal.

A: By using relation between J and Kcal we can solve this problem. 3.97×1010J = 9.5 × 106 Kcal

Q: What is the specific heat of an object that goes from 20.7°C to 34.3°C when it absorbs 137 calories…

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A:

Q: What is the specific heat of an object that goes from 23.6°C to 33.7°C when it absorbs 126 calories…

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A: Welcome to bartleby !  We have to calculate energy of clan powder in KJ and Kcal

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A:

Q: Energy Use the terms in the word bank to complete the graphic organizer below. Word Bank potential…

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

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Q: 2860 kcal to kj

A: Following is the appropriate answer of the given questions.

Q: convert 2670 cal to its value in kilojoules

A: Given: Energy = 2670 cal

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

Q: chemistry

A: Dear student I have given answer to your question in the image format.

Q: A list of the calorie content of foods indicates that an enchilada contains 230. Calories. Express…

A: A list of the calorie content of foods indicates that an enchilada contains 230. Calories. We have…

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Q: Use data from the hint to compute AG° for the following reaction. 3N2H4(1) + 403(g) → 6NO(g) +…

A: v

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: qmetal = -1710 J and qH2O = 1430 J.  ΔTH2O = 10.1 oC.  Calculate the calorimeter constant, Ccal in…

A:

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A:

Q: Let’s assume that a gallon of gasoline contains pure octane (C 8H 18) and has a density of 0.700…

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Q: A2 (g) 3H2(g) 2NH3(g) is 1.64x104. Calculate Kc and Kx

A: This question is related to equilibrium constant.