14. Heat energy equal to 25,000 J is applied to a 1200 g brick whose specific heat is 2.45 J/g°C. a) What is the change in temperature of the brick? b) If the brick was initially at a temperature of 25.0°C, what is the final temperature of the brick?

Q: How would I solve for the mass ( in grams )

A: Given,Heat absorbed = 45.5 JMass of sample = ?Specific heat of sample = 0.82 J/g KChange in…

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Q: A 7.37 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A:

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A: Specific heat- It is the amount of heat required to raise the temperature of 1g of substance by 10…

Q: 2. A solution is formed by combining 10 mL of solution A and 40 mL of solution B. Find out the heat…

A: We know that  Heat change of the reaction is  Qreaction = - Q calorimeter  = - m × C × ∆T And, the…

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

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A: The amount of heat required to one gram of  substance to raise  the temperature of one degree…

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Q: What is the AT of a 48 g piece of copper, after absorbing 328 J of heat. Copper has a specific heat…

A: Specific heat capacity is defined as the quantity of heat absorbed by 1 g of substance to raise the…

Q: Determine the heat capacity of 20.0 g of water. The specific heat of water is 4.184 J/g °C

A: Given  Mass of water m=20g Specific heat capacity S= 4.184 Jg-1 °C-1

Q: 4.33g sample of an unknown salt (MM=116.83g/mol) is dissolved in 150.00g water coffee cup…

A:

Q: A 7.03 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: We know during the process of any reaction, heat gained  = heat lost . For above the formula used…

Q: 2. What is the specific heat of a metal whose mass is 94.5 g and the temperature changes from 48 °C…

A: Consider the given information is as follows; Mass of the metal = 94.5 g Initial temperature T1…

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A: Heat energy is given by q = m * C * ΔT where q = heat energy m = mass of the substance C = specific…

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Q: When a 4.25 g sample of solid ammonium nitrate dissolves in 60.0 g of water in a coffee- cup…

A: 1) Since the temperature of the water in coffee-cup calorimeter is decreasing from 22 to 16.9 oC…

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A: Specific heat change is the amount of heat required to increase the temperature of 1 gram of…

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Q: (d) Consider the complete combustion of Benzene (CeH6). If the density of benzene is 0.88 g/mL, what…

A: Given reaction is : 2C6H6 (l) + 15 O2 (g) ----------> 12CO2 (g) + 6H2O (g) , ΔH0rxn = -6278 KJ…

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A: 150 kJ of heat is released from the system

Q: How do I calculate the specific heat of metal if 1027 joules of energy are needed to raise the…

A: q = m .C . ΔT  WHERE  heat = q = 1027 J  mass of metal = m = 42.9 g specific heat of metal  = C =…

Q: A 22.0 g block of copper at 45'C absorbs 2.50 kJ of heat. Given the specific heat of Cu is 0.385…

A: given :-  mass of Cu = 22.0 g  specific heat of Cu = 0.385 J/g°C  initial temperature = 45 °C  heat…

Q: 4. A 17.1-gram sample of Iron increases temperature from 25.0 °C to 110.0 °C. How much heat is…

A: The amount of Heat absorbed by the Iron can be calculated as -

Q: How much heat will be released a 4.5 g of CH4 is burned. H= -802kJ/mol

A: Given data,  Mass of CH4 is burned = 4.5 g  Enthalpy , H = - 802 KJ/mol  Molar mass of CH4 = {12 +(4…

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A: Given that When 1 mole of CS2 is formed from its constituents elements, heat energy equal to 89.3…

Q: A 534.2 g sample of water is subjected to a temperature change of -67.86 °C. The specific heat…

A: Given,  Mass of water in g = 534.2 g  Change in temperature = ΔT = -67.86 0C  Specific heat capacity…

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A: CALCULATION OF SPECIFIC HEAT CAPACITY

Q: 1.64 L of hydrochloric acid are mixed with 735 mL of ammonia in a calorimeter. The initial…

A: Solution - According to the question - Given - 1.64 L = 1.64 * 10000 = 1640 ml Total volume = 1640 +…

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A:

Q: What are the internal energy changes, ∆E, if a system; (a.) absorbs 67 J of heat and does 67 J…

A: Answer to all the parts are given below.

Q: A student heats 62.33 grams of chromium to 99.36 °C and then drops it into a cup containing 82.16…

A: Given, mass of chromium =62.33 graminitial  temperature of chromium =99.36 °Cmass of water =82.16…

Q: A 120 gram sample of gold absorbs absorbs 1.2 kJ of heat. How many much does the temperature of the…

A: Given: Mass of the sample= 120 g Heat absorbed= 1.2 kJ Specific heat capacity of gold= 0.129 To…

Q: The specific heat of copper is 0.385 J/g°C. Calculate the final temperature when 25.0 g of copper…

A:

Q: If 1001 J of heat is available, how many grams of iron (specific heat = 0.45 J/g･°C) can be heated…

A: The equation is:

Q: How much heat (J) can be absorbed by 1.500 kg of water and have the temperature of the water…

A: Given Mass of water = 1.500 kg temperature increase ΔT = 2.0°C

Q: the amount of heat released (in kJ)

A:

Q: how much heat (in kJ) is released

A: Given :- CH4(g) + 2O2(g) ---> CO2(g) + 2H2O(g).     ∆H°= -802 kJ/mol  Number of moles of CH4 =…

Q: 2. A solution is formed by combining 10 mL of solution A and 40 mL of solution B. Find out the heat…

A: 2). given : 10 ml solution of A  40 ml solution of B

Q: -Calorimetry Questions 1. A 24.6 g sample of nickel is heated to 110.0 °C and then placed in a…

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A: The mass of the water is to be calculated

Q: A 4.81 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Mass of unknown salt = 4.81 g Molar mass of unknown salt = 116.82 g / mol Moles of unknown salt…

Q: A 8.17 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Mass of salt sample = 8.17 g Mass of water = 150 g Total mass of solution ( m ) = 8.17 g + 150 g =…

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…

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Q: In order to break water into hydrogen and oxygen, water is heated to more than 500°C. Which kind of…

A: We have to predict the kind of reaction and reason.

Q: How much energy does it take to heat 15.6 grams of aluminum metal from 25°C to 150.°C? The specific…

A: Mass of Aluminum = 15.6 grams Initial Temperature (Ti) = 25°C Final Temperature (Tf) = 150°C…