The Joule (J) is the SI unit of energy. 1 calorie (cal) = 4.184 J; 1 Calorie (Cal) = 1000 cal = 1 kcal  kJ=?  J=?

Q: Convert between energy units. a. 231 cal to kJ b. 132 x 10* kJ to kcal d. 2.88 x 10* J to Cal c.…

A: Convert between energy units. (a) 231 cal to kj (b) 132 × 104 kj to kcal (c) 4.99 × 103 kj to kWh…

Q: What is the specific heat of a metal whose mass is 94.5 g if the temperature changes from 250°C to…

A: It is given that the mass of the metal is 94.5 g and is undergoing a temperature change from 250°C…

Q: 2. Thirty-two joules of heat is added to a 255 gram iron bar How much will the iron bar's…

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Q: Since the water absorbs 127 J of heat, this means the unknown metal released 127 J of heat. Based on…

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Q: If 1001 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g･°C)…

A: Given Heat ( Q ) = 1001 Joule  Specific heat ( s ) = 0.450 Joule/gram℃  Initial temperature ( T1 ) =…

Q: How many calories are in 6901 J ?

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Q: A work of 657 J is done on a system that releases 434 J of heat. What is the energy change in the…

A: According to first law of thermodynamics, internal energy of the system is equal to the sum of work…

Q: kJ of heat were added? Specific heat 34 J/g°C. 1 calorie = 4.184 J %3D

A: Heat  (q) = 36.5 ×1000 = 36500 J Mass of water = 275 g Heat capacity (s) = 4.184 J/g-°c Heat (q) =…

Q: A sample of iron absorbs 67.5 J of heat, upon which the temperature of the sample increases from…

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Q: A list of the calorie content of foods indicates that a 10 oz chocolate thick shake contains 333…

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Q: When 129.0 g of 0.200 M NaCl(aq) at 22.0 °C is added to 212.0 g of 0.100 M AgNO3(aq) at 22.0 °C in a…

A: Answer is explained below.  Given that, mass of NaCl = 129.0 g and mass of AgNO3 = 212.0 g.  Due to…

Q: The specific heat of a 70 g sample is 0.069 J/(g·K). If it absorbs 96 J when it is heated from a…

A: Heat energy required to raise the temperature of body of 1gram of  mass to 1°c is known specific…

Q: The temperature of a sample of silver increased by 23.4 °C when 273 J of heat was applied. Substance…

A: Given: Increase in temperature, ∆T = 23.4°C Heat given, q = 273 J Specific heat for silver = 0.235…

Q: q= 4.184 heat energy in joules. Use the formula: q=(m)(c)(ΔT) where m=mass of water being heated in…

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Q: The specific heat of a certain type of metal is 0.128 J/(g⋅∘C). What is the final temperature if 305…

A: The amount of heat gained or lost by a metal in a chemical process is related to its specific heat…

Q: 1) NaOH, heat OMe 2) CH;COCI, py

A: Base can abstract most acidic hydrogen and form nucleophile .

Q: The specific heat of a certain type of metal is 0.128 J/(g.°C). What is the final temperature if 305…

A: Given :-  mass of metal = 77.1 g  initial temperature = 20.0°C  specific heat of metal = 0.128…

Q: A list of the calorie content of foods indicates that a roast beef sandwich contains 319 Calories.…

A: Given:  Calories in sandwich= 319 calories 1 calorie = 4.184 J

Q: N2 (g) + 3 H2 (g) 2 2 NH3 (g) + 100 KJ

A: Le Chatelier principal explained the effect of concentration, temperature and pressure on…

Q: When 47.9 J of heat is added to 13.8 g of a liquid, its temperature rises by 1.70 ∘C. What is the…

A: Given,Heat (Q) = 47.9 JMass (m) of liquid = 13.8 gRise in temperature (△T) = 1.70 oC

Q: What is the SI unit of energy? List some other common units of energy.

A: The capacity to do work is called energy.

Q: The temperature of a sample of copper increased by 24.7 °C when 275 J of heat was applied. Substance…

A: Specific heat is defined as amount of heat required to raise the temperature of one gram of a…

Q: 1. A system receives 425 J of heat and delivers 425 J of work toits surroundings. What is the change…

A: We have to calculate the change of internal energy of system.

Q: 8. A 7.0-gram metal sample absorbed 211 J of heat as it was heated from 28°C to 85°C. W containing…

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Q: How many Joules are there in 7101 calories?

A: Given :- energy = 7101 calories  To calculate :- energy in joules

Q: КОН, heat ETOH H,0(1), heat CH2 NH,(aq), heat HCN, heat ETOH KOH(aq), heat

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Q: If 2.500KJ of heat are added to 50.0g of water at 25.00 °C, what would be the final temperature of…

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Q: The standard enthalpy of formation for one mole of methanol (CH;OH) is -239 kJ. What is this value…

A: Standard molar enthalpy of formation is the enthalpy change for formation of 1 mol of a compound…

Q: ΔE of a system

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Q: What is the Kinetic energy of a 2000-Ib car traveling at 59 miles per hour? (Ib =0.4536 kg, 1 mi=…

A: The Kinetic energy of a 2000-lb car traveling at 59 miles per hour is calculated as,1lb =0.4536…

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…

Q: When 145 mL of 0.212 M NaCl(aq) and 145 mL of 0.212 M AgNO3(aq), both at 21.1°C, are mixed in a…

A: Moles of AgNO3 = Molarity× Volume = 0.212 M × (145/1000)L = 0.03074 moles

Q: The specific heat of a certain type of metal is 0.128 J/(g.°C). What is the final temperature if 305…

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Q: If 801 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g･°C) that…

A: Given data : Heat (q) = 801 J Specific heat (C) = 0.450 J/g.°C Initial temperature (Ti) = 22.5 °C…

Q: heat, upon which the temperature of the sample increases from 21.5 °

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

Q: The specific heat of an unknown metal is calculated to be 3.74J/g*c. What is the mass of the sample…

A: Specific heat :-  The amount of heat required to rise the temperature of one gram of a substance…

Q: what is the unit, including its prefix, for 10^-6 of the derived unit for energy?

A: The ability to do work is called energy.

Q: Heat capacity is the number of joules (J) per Kelvin (K). The heat capacity was 15.080 J/K. What is…

A: Given: Heat capacity in J/K = 15.080 J/K.

Q: The specific energy and density of gasoline is -47.3 MJ/kg and 716 kg/m3, respectively. What is its…

A: Specific energy: It is the energy required for one unit of mass. Energy density: The amount of…

Q: When 135 mL of 0.204 M NaCl(aq) and 135 mL of 0.204 M AgNO3(aq), both at 21.5°C, are mixed in a…

A: Coffee cup calorimeter is a steady pressure calorimeter. As such, the heat measured in such a system…

Q: When 130. mL of 0.198 M NaCl(aq) and 130. mL of 0.198 M AgNO3(aq), both at 21.8°C, are mixed in a…

A: When the system release energy then the process is known as exothermic. When the system absorbs…

Q: he freezing point of mercury is -38.8°C. What quantity of energy, in joules, is released to the…

A: The density of liquid mercury =13.6 g/cm3. The mass of mercury = 1.00 mL × 13.6 = 13.6 g Hg.

Q: CO(g) +2 H2(g) CH3OH(1) AH° =-128.1 kJ

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Q: 4. 23,540 J is applied to a 7kg Silver, what is its change in temperature?

A: Here we are required to find the change in temperature when 23540 J is heat is applied to 7 kg of…

Q: The specific heat of aluminum is .900J/g degree C, what is its molar specific heat?

A: The specific heat of aluminium=0.900 J/goC Mass of 1 mol of aluminium= 26.98 g Molar heat capacity…

Q: A 23-g sample dissolved in water absorbs heat, increasing its temperature from 30°C to 45 °C. What…

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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: How much heat, in joules, must be added to a 5.00 × 102-g iron skillet to increase its temperature…

A: The heat is given by: q = m × c × ∆Tq = heatm = massc = specific heat∆T = change in temperature

Q: The internal energy of a system increased by 982 J when it absorbed 492 J of heat. Was work done by…

A: When a system absorbs energy it means work done on the system, We know that, ∆U=982 Jq=492 J…