Convert between energy units.a. 231 cal to kJ b. 132 * 104 kJ to kcalc. 4.99 * 103 kJ to kWh d. 2.88 * 104 J to Cal

Q: A quantity of 505 J of heat are added to 11.3 g of water at 28.3 °C. What is the final temperature…

A: According to the answering guidelines, I'm posting the solution for the first question. Kindly post…

Q: A student mixed sodium carbonate and calcium chloride in a test tube. A white solid appeared…

A: Given reactant  Sodium carbonate  Calcium chloride Product  To be determined

Q: On a 16.5 ounce bag of potato chips, the manufacturer states that the single serving is one ounce,…

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Q: If 125 cal of heat is applied to a 60.0-g piece of copper at 21.0 ∘C , what will the final…

A: The change in temperature can be calculated by using the formula:Amount of heat = mass*specific…

Q: 1. Chemical potential energy is found in the. between atoms and is transformed into energy during…

A: Specific heat of Fe = 0.451 J/g degC Specific heat of Pb = 0.129 J/g degC

Q: Consider the vaporization of liquid water to steam at a pressure of 1 atm. (a) Is this process…

A: Vaporization is defined as the process in which liquid state is converted into the vapour state. As…

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: Define energy and explain the importance of energy inchemistry

A: In simple terms energy is defined as the capacity for doing work. Energy can neither be created nor…

Q: What is potential energy? the energy of an object in motion O the energy stored due to an object's…

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Q: Two yellow substances are mixed in a flask. The flask then feels warm. This is an example of what…

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Q: How are energy and temperature affected as a gas is changing into a liquid? energy is added and…

A: Gas to liquid process is known as condensation . During any change in the state of matter,…

Q: what is a precipation reaction? provide an example

A: Precipitation reactions are usually double displacement reaction involving the production of a solid…

Q: 9.69 x 10^6 J = ? Kcal

A: Given :-  energy = 9.69 x 106 J  To convert :-  The above energy in Kcal

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: What type of reaction is CH4(g) +2 O2(g) CO2(g) + H2O0 + 890.4 kJ? ectothermic O unbalanced O…

A: The given reaction is CH4(g)+ 2O2(g) → CO2(g) + H2O(l). It is a combustion reaction.

Q: The specific heat of silicon is 700J/kg/°C, how much energy is needed to raise a 14g of silicon by…

A: 1) specific heat of silicon = 700 J/kg°C   mass of silicon = 14 g      ∆T = 30°C  2) specific heat…

Q: What kind of kinetic energy is most often produced from chemical energy in chemical reactions?

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Q: Question 43

A: Temperature is a measure of the average kinetic energy of the particles of a substance. The higher…

Q: What is Kinetic Energy? Give an example?

A: Force is applied to accelerate an object.  Work is needed order to apply force. Energy is…

Q: A 35.17 g35.17 g sample of a substance is initially at 24.4 ∘C.24.4⁢ ∘C. After absorbing 2097 J2097…

A: Given  mass (m) = 35.17g heat (q) = 2097 J T1 = 24.4°C T2 = 137.9°C

Q: According to the graph below, is this reaction exothermic or endothermic? Time O Endothermic because…

A: the given graph is,

Q: Material Specific heat (J/g°C) wool felt 1.38 cotton 1.33 раper 1.33 rubber 3.65 silicon rubber 1.46…

A: From given data  mass (m)= 99.3 gram  change in temperature (∆T)= 15.3 °F  Furthermore, specific…

Q: Convert 27.0 kJ to calories. Hint: Notice the little c in calories. 1 calorie = 4.184 joules 1…

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Q: In the laboratory a student finds that it takes 54.9 Joules to increase the temperature of 11.0…

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

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: spesic nent iron 0.449 J.g".°C-! Spetic neat cOPper 0.385 J.9 A) s.o g cu b) l.0 g Fe S.O 9 c) 1.0g…

A: Recall the following relation from law of calorimetry       Q=m×C×∆tHere,amount of heat evolvedQ=9.5…

Q: If the specific heat of water is ca increase the temperature of 75 g of water by 30 °C? 1gx1°C» how…

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

Q: A. Specific Heat Metal Mass of metal: 58.9530 Original temperature of water: Original temperature of…

A: Q = mC ∆T ∆T = Tf -Ti Specific heat capacity of water = 4.184 J/g oC

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

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Q: A sample of brass, which has a specific heat contains 200.0 g of water. The brass sample the…

A: Loss of Heat of the Metal brass = Gain of Heat by the Water -Qbrass = Q water Q = mC∆T -mC ∆T for…

Q: The specific heat of aluminum is 0.214 cal/g·oC. Determine the energy, in calories, necessary to…

A: The specific heat of aluminium is = 0.214 cal/(g·oC) The mass of aluminium is = 55.5 g The increase…

Q: Convert 15.00 kJ to calories (cal). 15.00 kJ = Convert 203 kcal to kilojoules (kJ). 203 kcal

A: Given here energy in unit of kJ and kcal and we are asked to convert themin cal and kJ the energies…

Q: Substance Specific Heat Brick 0.20 Ethanol 0.58 Wood 0.10 culate the amount of heat, in calories,…

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Q: m cold Mass of cold water (g) = 50 g Tic Initial temperature of

A: Given, mcold=50 gTic=15°Cmhot=50 gTIh=80°CTf=35°C

Q: The reaction for the combustion of propane is   C3H8(g)+5O2(g)⟶3CO2(g)+4H2O(l)…

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

Q: Calcium carbonate breaks down into calcium oxide and carbon diox- ide when heated. The products have…

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Q: Assume that 1 gram of liquid water is at a temperature of 20°C. How many calories (or joules) of…

A: The amount of heat required to increase the temperature of one kilogram of a substance by one degree…

Q: The specific heat of iron is 0.449 J/ g oC. A sample of iron absorbs 175 J of energy when the…

A: The heat required to raise the temperature of a substance by 1oC is known as specific heat. The…

Q: Use your data to calculate the number of Calories in a 3.4 g sugar cube. (Molecular mass of sugar =…

A: Given : Mass of sugar = 3.4 g Molar mass of sugar = 342.2965 g/mol ΔHcomb of sugar = 5639 KJ/mol

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: An 8.29 g sample of calcium carbonate [CaCO3(s)] absorbs 50.3 J of heat, upon which the temperature…

A: Mass of CaCO3 = 8.29 g Amount of heat absorbed = 50.3 J Specific heat of CaCO3 can be calculated as…

Q: 5.0 g sample of water starting at 59.4°C loses 439 J of energy in the form of heat. What is the…

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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: 2. How many grams of N2 are needed to make -550.0 kJ? N2g) + 3H2g) 2NH3(g) AH = -92.6 kJ %3D

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Q: A 40 g sample of water is raised 10 celcius, with water having a specific heat of 4.184 J/g*C, what…

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Q: 139 kJ to Calories

A: Given: Energy  = 139 kJ convert into calories.

Q: How much heat is required to raise the temp. of 10.58 g sample of iron from 25.0 degrees C to 79.8…

A: Given, mass of iron sample m = 10.58 g  specific heat of iron C = 0.450 Jg°C  Initial temp. T1 =…

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

A: This question is related to equilibrium constant.

Q: The specific heat of aluminum is 0.214 cal/g.°C. Determine the energy, in calories, necessary to…

A: 1.) To calculate heat, we use the formula : q = m × C × dT  Where , m = mass  C =Specific heat…

Q: When a person eats to gain energy for activities, your body uses O a Gravitational Potential Energy…

A: Chemical potential energy is the energy stored in the chemical bonds of a substance.