How much heat is required to raise the temperature of 34.0 g of water from-15 °C to 145 °C? heat: 0.47761 kcal Incorrect

Q: Convert the heat of neutralization of acetic acid from -52.2 kj/mmol to calories per %3D millimole…

A: The heat of neutralization of acetic acid  = - 52.2 KJ /mmol We know ; 1 Kilo Joules  = 1000 Joules…

Q: .When 198 Joules of heat are added to 5 grams of methane gas at -10°C, the temperature of the…

A:

Q: The formation of rust (Fe2O3) from solid iron and oxygen gas releases -1.7  103 kJ. 4 Fe(s) + 3…

A: The question is about to calculate the mass of rust formed when 150 kcal are released -

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

A:

Q: The following equation shows the conversion of aluminum oxide to aluminum. How much energy (in kcal)…

A: We have given that a balance chemical equation of Al2O3 to Al as follow                  2 Al2O3 (s)…

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: How much heat is lost when 789g of acetic acid is cooled from 82.7°C to 25°C. The specific heat of…

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Q: Endothermic or Exothermic? H2O(g) + CO(g) →  H2(g) + CO2(g) + 10 kcal How do you know?

A:

Q: . The specific heat of wood is 2.03 J/g-°C. How much heat is needed to convert 550 g of wood at…

A: Mass M = 550 g Specific heat c = 2.03 J/g°C Initial temperature Ti = -15.0 °C Final temperature Tf =…

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: Of the following examples, which is exothermic? A. dissolving ammonium nitrate in water to cool the…

A: Exothermic reaction: Heat is evolved in reaction. Endothermic reaction: Heat is absorbed in the…

Q: Is heaven exothermic or endothermic? Is hell exothermic or endothermic?

A: Given We know about the  exothermic or endothermic

Q: Jollibee Burger     Item                             Sodium(mg)                Fat(g)…

A: For the proper development of the human body and the physiological systems associated with it,…

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: 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: Nitroglycerin decomposes under sudden impact according to the equation below: 4 C3H5N3O9 (I) --> 12…

A: Ans

Q: The experimental ?H is -213 kcal/mol. How much heat is released during the combustion of 45.3 grams…

A: We have to find the heat released

Q: Heat from Acid-Base (Neutralization) Reaction of Vinegar and Baking soda   Base + Acid = Salt…

A:

Q: 22. How many calories of energy are needed to raise the temperature of 87.g of water from 0 to 212…

A: The heat required to raise the temperature of the substance is directly proportional to the…

Q: how many calories are required to heat 93.6 g of menthol from -35C to 55C specific heat of…

A:

Q: The heat of reaction for the combustion of hexane, C6H14, is 995.0 kcal/mol. What is the heat of…

A: The heat change in a particular reaction is known as enthalpy change (∆H). The endothermic reactions…

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 solid is dissolved in a coffee cup calorimeter. Which of the observations suggest that the process…

A: The given process is endothermic as solid is dissolved in a coffee cup calorimeter.

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: 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: How much heat is required to raise the temperature of 7.35 g of water from 21.0 to 98.0 °C (Assume…

A:

Q: ormation to answer Questions 6-9: A sample of NH4NO3 with a mass of 5.0 g is dissolved in 40.1 g of…

A:

Q: If the initial temperature of 120. g of ethanol is 20.0°C, what will be the final temperature after…

A:

Q: The amount of carbon dioxide a vehicle emits is__________ related to the amount of fuel it consumes

A: The amount of CO2 a car emits is directly related to the amount of fuel it consumes. For instance, a…

Q: 137 kJ to Calories.

A: Given  Energy =137 KJ

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: When 3.0 grams ov glucose is metblized in the body,it produces 0.512 kcal of energy. What is this…

A: Energy is measured in terms of KCal or KJ   Conversion of KCal to KJ by the following relation…

Q: If the dissolution of a salt in water is an endothermic reaction, how will the temperature of the…

A:

Q: 14. How many kilojoules are equal to 9.87x10^ 9 calories?

A: Here to calculate kilojoules(kJ). First, we need to convert calories to joules.

Q: Write out the mathematical equation used for the heat of neutralization for an acid base reaction…

A:

Q: e the specific heat of lead

A:

Q: Energy to raise 14.5 g of water from 25.0 °C to 35.0°C. The specific heat of water is 1.00 cal /…

A:

Q: how much heat will be given off when 18.5g of C2H4 is burned in oxygen form CO2(g) and H2O(g) for…

A: The combustion enthalpy of C2H2 of 18.5 g can be calculate with the help given stoichiometric…

Q: The specific heat of zinc is 0.096 cal/goC.  Determine the amount of heat energy required to raise…

A: Applying formula Q= mc∆t

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: Use the following information to answer Questions 6-9: A sample of NH4NO3 with a mass of 5.0 g is…

A:

Q: was told to resubmit this question.  1. The heat of this reaction is -15.22 kJ. What is the change…

A: First consider that, this much amount of energy released from 1g stomach acid ( we can consider that…

Q: When 26.6 g of potassium chloride dissolves in 300.0g of water, the temperature drops from 26.1…

A: Chemical equation for solid potassium chloride dissociating into ions when it dissolves in water is…

Q: How much energy (in kJ) is released when 275 g of water (H2O) is formed according to the following…

A:

Q: What happens to the internal and external temperature of the body after drinking cold water?…

A:

Q: when 20 grams of salt is dissolved in 95 grams of water, the temperature of the solution decreases…

A: When the solute is dissolved in the solution and the amount of heat released is known as the heat of…

Q: Calories per gram of food (kcal/g)  mass of food burned (g

A: The amount of heat absorbed by the water to increase its temperature is equal to the amount of heat…

Q: heat change of the reaction Al2Cl6(s) + 6 Na(s) ⎯→ 2Al(s) + 6 NaCl(s) is –256.2 kcal.  The heat of…

A: Given, □Hrxn = -256.2 kcal □Hf(NaCl) = -98.3 kcal □Hf(Al) = Hf(Na) = 0 kcal ( in standard state…

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: 2.568 g of a Strontium chloride was dissolved in 150.0 mL of water.  The initial temperature of the…

A: The heat of solution is given as:

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