5. A 4.00-g candle is consumed in heating 25.0 g of water from 18.0°C to 25.0°C. If you ignore loss of heat to the air, the energy produced per gram of candle would be а. 183 J d. 1460 J b. 366 J е. 2930 J С. 732 J f. None of the above

Q: A flask containing 43.21 mol of water is heated and the temperature of water increases from 25°C to…

A:

Q: The number of Calories in food items were originally determined by combusting the food, and…

A: Mass of banana used = 115 g Volume of water taken = 850.0 mL Increase in temperature of water =…

Q: A 45.90 g sample of pure copper is heated in a test tube to 99.40°C. The copper sample is then…

A: We have 45.9 g of Cu metal at 99.4°C, also, 61.04 g of water , temperature of calorimeter…

Q: The following equation indicates that when 1 mole of carbon burns completely in air or oxygen 393 kJ…

A: Given  ∆H = - 393 KJ  Heat evolved on complete combustion of 19 mole of C and 18 gram of Carbon = ?…

Q: In a good calorimeter with a lid, 50.0 gram sample of liquid water at 25.0 °C is mixed with 32.87…

A: a. It gained by cold water b. Heat lost by hot water c. According to law of thermodynamics the total…

Q: A 32.5 g piece of aluminum (which has a molar heat capacity of 24.03 J/°C·mol) is heated to 82.4°C…

A: Given : mass of Al = 32.5 g molar heat capacity of Al = 24.03 J/°C·mol initial temperature of Al =…

Q: A 0.5865-g sample of lactic acid (HC3H5O3) reacts with oxygen in a calorimeter whose heat capacity…

A: Mass of lactic acid = 0.5865 g Heat capacity  of lactic acid , C =4.812kJ/°C Initial temperature T1…

Q: b) If that heat came from cooling a 1.361 kg lump of iron, what was the initial temperature of the…

A:

Q: In the laboratory a student finds that it takes 921 Joules to increase the temperature of 13.8 grams…

A:

Q: 5.4.1 A 1.000-g sample of benzoic acid is burned in a calorim-eter to determine its heat capacity,…

A: The heat capacity of the calorimeter has to be calculated,

Q: Carbon occurs in two forms, graphite and diamond. The enthalpyof the combustion of graphite is…

A: If a reaction is carried out in a number of steps, then the change in enthalpy can be calculated by…

Q: For the reaction below, 5.95 kJ of heat must be supplied to convert 13.43 g lead(II) oxide into pure…

A:

Q: A 0.6575−g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a heat…

A: The heat given by 0.6575 g of Mg to the calorimeter (q) is calculated using equation (1) where C is…

Q: A  296.0 g piece of granite, heated to  601.0°C in a campfire, is dropped into  1.15 L water (d =…

A: Mass of granite piece=296.0 g  The volume of water=1.15 L=1150 mL The density of water, d = 1.00…

Q: temperature

A:

Q: A piece of aluminum with a mass of 4.39 grams is heated to raise its temperature from 21.7°C to…

A: a) Since specific heat capacity of Al is 0.9 J/g.°C Since quantity of heat absorbed is given by  Q =…

Q: 100 g of water at 86 °C is mixed with 200 g of water at 17 °C. What is the final temperature of the…

A: apply the concept ,  heat taken = heat given

Q: Volume of cold water 35.1 mL Temp of cold water 18.2 oC Volume of hot water 35.1 mL…

A: The heat lost(qlost) by hot water can be calculated using equation (1). In this equation, m…

Q: A 368g mug at 23 celcius was warmed to 72 c with coffee. The specific heat of typical ceramic coffee…

A:

Q: A 56.43 g sample of iron (with a heat capacity of 0.450 J/g·°C) is heated to 100.0 °C. It is then…

A:

Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

A: The heat of a substance is given as :

Q: An automobile engine provides 501 Joules of work to push the pistons. In this process the internal…

A: According to the first law of thermodynamics: ∆U=Q + W where, ∆U=Change in internal energy Q= Heat…

Q: Hydrazine, N2H41), is used in rocket fuels. The thermochemical equation for the combustion of…

A:

Q: It takes 60. s for a kettle to heat 1.0kg of water (heat capacity is 4.81 j/(g K) from 25 C to 100…

A: This question has two bits. Solved in step 2.

Q: A 2.30 g sample of quinone, CGH402 was burned in excess oxygen in a bomb calorimeter. The…

A:

Q: In the laboratory a student finds that it takes 666 Joules to increase the temperature of 10.7 grams…

A: The heat required (q) to raise the temperature of 'm' g of a substance is given as: q=mc∆Twhere, c…

Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

A: Solution :       The calorimeter is an instrument that is used to measure the specific heat of a…

Q: the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used to…

A:

Q: A cubic piece of platinum metal (specific heat capacity = 0.1256 J/°C･g) at 200.0°C is dropped into…

A: Given: Specific heat capacity of platinum     = 0.1256 J/ oC.g Temperature of platinum…

Q: Energy and the First Law of Thermodynamics: We have discussed in the previous discussion the…

A: According to First law of Thermodynamics- ∆U = q + wwhere∆U = total change in internal energy of a…

Q: 1. A 15.75-g piece of iron absorbs 1086.75 joules of heat energy, and is temperature changes from…

A: Since you have posted multiple questions, we will solve only the first question for you according to…

Q: Determine the total amount of energy required to heat 60g water from 50℃ to 110℃? (cwater=…

A: Given: The mass of water, (m)=60 g. The initial temperature=50℃. The final temperature=110℃. The…

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: Here we are required to find the final temperature of water using the principle of calorimetry

Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

A: Mass of C4H4O4 taken = 1.4710 g  Mass of water M = 1159 g Initial temperature Ti = 22.46 ° C Final…

Q: Consider the combustion of in oxygen gas to produce carbon dioxide gas and water vapor. In an…

A: if 4790J energy absorbed by water that means energy is released by this combustion reaction. And…

Q: If 3830 J of heat is added to a calorimeter containing 75.40 g of water, the temperature of the…

A:

Q: 11) q of combustion of the food sample equals a) q absorbed by the calorimeter -q absorbed by the…

A: We have given that  11) q of combustion of the food sample equals   a) q absorbed by the calorimeter…

Q: A 88.8 g piece of aluminum (which has a molar heat capacity of 24.03 J/°C·mol) is heated to 82.4°C…

A: Mass of water is calculated as follows

Q: A 45.90 g sample of pure copper is heated in a test tube to 99.40°C. The copper sample is then…

A: Given: Mass of water = 61.04 g Initial temperature of water (Ti) = 24.39 ℃ Mass of Cu = 45.90 g…

Q: A 0.6475-g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has…

A:

Q: 2. A 4.348 g sample of NaOH(s) is dissolved in 100. g of water in a calorimeter, the temperature…

A: In this question we have to calculate the heat of Reaction by the given data of the calorimeter.

Q: n the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used to…

A: In order to calculate the specific heat of chromium we first write down the given data: Mass of…

Q: A flask containing 1059 g of water is heated and a temperature increase from 32.4 °C to 67.6 °C. How…

A: The mass of one mole of water is = 18 g The initial temperature of the water is = 32.4oC The final…

Q: 4. The heat capacity of copper is 0.382 J/g°.C. A 22.6 g sample of copper at 93° C is placed in 50 g…

A:

Q: A 158 g sample of gold at some temperature was added to 28.7 g of water. The initial water…

A: Assuming the initial temperature of gold is T. Since the heat lost by gold is gained by water to…

Q: An 87.9 g sample of chromium metal at 99.1°C is placed in a calorimeter containing 100.00 g of water…

A: a) Since the metal is losing heat as the temperature of the metal is going down from 99.1 °C to 25.7…

Q: Consider the combustion of pentaborane-9 (B5H9 ):   2 B5H9 (l) + 12 O2 (g) → 5 B2O3 (s) + 9 H2O (l)…

A: Combustion reactions are a type of chemical reaction, in which the compound reacts with oxygen to…

Types of Polymers on the basis of Method of Preparation