Background info: A unit of heat energy=calorie=amount of heat that raises 1 g of liquid water by 1 degrees C. 1) How many calories of heat need to be removed from a 100 g sample of water to drop the temperature from 99 degrees C to 1 degrees C ?  2) How many calories of heat will raise the temperature of 60g of ethylene gylcol from 10 degrees C to 50 degrees C?

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: 5. Given the following data calculate AH for the reaction: NO (g) + 0 (g) → NO2 (g) Data 202(g) →…

A: Heat of reaction is defined as difference of energy of product  and energy of Reactant. If heat of…

Q: Кон, heat G) () name of reaction 1. CH,CH2CH,M9CI (k) (k) 2. H+ name of reaction

A:

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: You heat 2 g of water from 25 °C to 26 °C. How many calories of energy are transferred to the water?…

A: Given:  Mass of water = 2g  ∆T = 26-25 = 1°C  Cwater = 1 cal/g°C

Q: Carry out the following conversions of energy units: a. 14.3 Btu into calories b. 1.4 x 105 cal into…

A: a. 14.3 Btu = 3603.6 calories a. 14.3 Btu into calories1 Btu=252 calories14.3 Btu=252*14.31…

Q: What is the kinetic energy in J and cal of a 45-g golf ball moving at 61 m/s?   168 J, 40 cal B.…

A: Given, Mass of golf ball = 45g

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: Perform the conversions between energy units. 6.00×102 kJ=__________ J 2585 kcal= ____________ kJ…

A: According to the unit conversion, 1 kJ is equal to 1000 J. Thus, the conversion into J is shown…

Q: [Review Topics] [References] Use the References to access important values if needed for this,…

A: Molar mass of 2-methylhexane = 100.2 g/mol

Q: the thermo-chemical equations shown below to determine the entha N₂(g) + 3H₂(g)=>2NH3(g) AH = ?…

A:

Q: a 0.2500g sample of a pretzel is burned . The heat it gives off is used to heat 50.00g of water from…

A: Amount of heat liberated: It is calculated as,

Q: If 980 calories of energy as heat are transferred to 62.85 grams of a substance with an initial…

A: The amount ot heat is required to raise the temperature of body of unit mass to one degree Celsius…

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

A: We are authorized to answer one question at a time. Since you have not mentioned which question you…

Q: Which

A: Endothermic reaction in which heat is given

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

A:

Q: he specific heat of a human is approximately 3.47 J/g. °C and normal body temperature is 37.0 °C. If…

A: The rise in the body temperature is to be calculated. Specific Heat = 3.47 J/g-CoMass = 165 lb1 cal…

Q: How many calories are required to raise the temperature of a 73.0 g sample of gold from 26.0 °C to…

A: q = mc∆T  q is the amount of heat energy required  m is the mass of substance  c is the specific…

Q: How much heat is required, in calories, to raise the temperature of 57.8 g of silver from  17.0°C to…

A: Given mass = 57.8 g initial temperature = 17.0°C Final temperature = 43.5°C specific heat capacity (…

Q: Taro Peed Sarving Part C: Energy in Changes of State: C1. Mass of empty calorimeter cup with lid 6.…

A: We will use the formula q = mcΔT here where q = heat absorbed or released.  m = mass of the…

Q: SO₂Cl2 (g) + 2H₂O(l)→ 2HCI(g) + H₂SO4(1) AHf (kJ/mol): SO₂Cl₂(g) -364 H₂O(l) -286 HCI(g) 92 H₂SO4(1)…

A: Here we are required to find the Enthalpy change for the reaction.

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

A:

Q: Assuming that there are 4 Calories per gram of carbohydrate and protein and 9 Calories in a gram of…

A: Given: Calories per gram of carbohydrate = 4 Calories Calories per gram of protein = 4 Calories…

Q: Using enthaipies of formation, calculate the quantity of heat produced When 20.0 g BI Carbon…

A: Heat of reaction is difference of energy of product  and energy of Reactant. If heat of reaction is…

Q: When 20 calories of heat is added to 2.0 grams of water at 15 degrees Celsius the temperature of…

A:

Q: calculate calorimeter constant to 2 significant figures

A: Given that -  Temperature of cold water = 3.0°C  Temperature of hot water = 89.0°C  Volume of cold…

Q: 1. How much energy is transferred when 80 g of iron (II) chloride combines with excess chlorine gas…

A: Given :  ∆H° = -125 KJ  For 1st part : Mass of FeCl2 = 80 gm  For 2nd part : Mass of Cl2 = 80 gm

Q: 2 (a) In this investigation, you will use a polystyrene-cup calorimter to determine the amount of…

A: Calorimeter is used to find the heat of neutralization.

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: . A 25.00 gram sample of barium chloride was dissolved in 75.00 grams of water. If the calorimeter…

A: The question is based on the concept of chemical thermodynamics. we have to calculate heat produced…

Q: Use Numbers If sample A requires 10 calories to raise the temperature of a 1-g sample 1°C, how many…

A:

Q: Answer all the problems below with complete solution, I will rate your answer thank you so much 1.…

A: Here we are required to find the specific heat capacity of methane and graphite.

Q: What is the ∆ T for 40.0 grams of water that absorbs 1400 scientific calories at room temperature?…

A: Given:- q = 1400 calories m = 40.0 grams c = 1 calorie/g°C

Q: Natural gas, or methane, is an important fuel. Combustion of one mole of methane releases 802.3…

A:

Q: How many calories would be required to raise a temperature of 45 grams of sodium chloride from 300…

A:

Q: Part D Food calories D1 Name of food product Naked juice D2 Mass of food nutrients in one serving…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3 sub-parts. Please resubmit the…

Q: Which of the following amounts of heat CANNOT be measured by a constant-pressure calorimeter? Group…

A: To identify: Which of the following can not be measured by a constant-pressure calorimeter.

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

A:

Q: When 3.02 g of NH,CI is dissolved in enough water to make 20.05 ml of solution, the temperature…

A:

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

A: Gasoline are hydrocarbons and they are made up of only carbon and hydrogen. Hydrocarbon on burning…

Q: A sample of 0.750 g of peanut butter was burned in a coffee cup calorimeter filled with 300.0 g of…

A: Given, Mass of peanut butter = 0.750 g Mass of water in calorimeter = 300 g Change in temperature =…

Q: You add hydrochloric acid slowly to the water and notices that the flask feels hot. System:…

A: The part of universe choosen for thermodynamics consideration is called as system and all other part…

Q: How many grams of ethanol (C2H5OH) is needed to provide/release 699.0 kJ of heat? C2H5OH(l) + 3O2(g)…

A: The given reaction is,

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: Find the AH (in kilojoules) for the reaction below, given the following reactions and subsequent AH…

A: According to Hess's law change of enthalpy in a chemical reaction is same regardless of whether the…

Q: Trial  1: Goldfish Mass of Empty Can (g) 12.715 g Mass of Can + Water (g) 112.831 g Mass of water…

A: heat absorbed/released in a calorimetry  q = m*c*dT where  q is heat released or absorbed m is mass…

Q: Titanium(IV) oxide is commonly used as a white paint pigment. The compound is produced by the…

A: For a chemical reaction, the enthalpy of the reaction is the difference between products and the…

Q: 100.0 mL of a 0.500 M NaOH solution was mixed with 100.0 mL of a 0.500 M HCl solution in a…

A: Given,  Volume of NaOH = 100.0 mL  Molarity of NaOH  0.500 M  Molarity of HCl = 0.500 M  Volume of…