A 30.5 gram sample of an alloy at 93.0 C is placed into 50.0 grams of water at 22.0 C in an insulated coffee-cup calorimeter with a heat capacity of 9.2 J/C. If the final temperature of the system is 31.1 C, what is the specific heat of the alloy? ( CH2O = 4.184 J/g-C). (Enter the number only) Rember sig figs

Q: A student wishes to determine the heat capacity of a coffee-cup calorimeter. After mixing 125 g of…

A: Answer:- This question is answered by using the simple concept of calorimetry which states that heat…

Q: In an experiment, 22.5 g of metal was heated to 98.0°C and then quickly transferred to 150.0 g of…

A: Given :Mass of metal (M1) = 22.5 gT = 98.0°CMass of water (M2) = 150 gInitial temperature of the…

Q: What is the specific heat in J/g°C for a metal sample with a mass of 95.6 g which absorbs 841 J of…

A: Heat, q = mass x specific heat x change in temperature.

Q: 19, Consider the following information about the combustion of octane (CaHis), the principle…

A: Given,Mass of octane = 1.14 g+ 1000 g =1001.14 gSpecific heat of water = 4.184 J/go CΔH = -1080 kJ

Q: .32 The material typically used to heat metal radiators is water. If a boiler generates water at…

A:

Q: orites here, select = then , and drag to the Favorltes Bal T0 How much will the temperature (in °C)…

A: For any specific compound that possesses a quantity of 1.0 gram, the heat energy (q) essential for…

Q: Temperature of 150. g of iron increased from 27.1 °C to 33.1 °C after absorbing 406 J of heat, what…

A: Given data,Mass of iron=150gInitial temperature=27.1oCFinal temperature=33.1oCHeat (Q)=406J

Q: 3. When 0.050 mol of HCl is reactd with 0.050 mol of NaOH in 50.0 mL of water, the temperature of…

A: The heat of a system can be given as :

Q: 1. When a 6.50 g sample of solid sodium hydroxide dissolves in 100.0 g of water in a coffee- cup…

A:

Q: A 10-g solid was heated in a test tube to 100°C in boiling water and added to the coffee-cup…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: When a 0.740-g sample of trinitrotoluene (TNT), C7H5N206, is burned in a bomb calorineter, the…

A: In a bomb calorimeter, heat of combustion is calculated as: q=mC∆T where m is mass, C is heat…

Q: If the specific heat of methanol is 2.51 J/K-g, how many joules are necessary to raise the…

A: The formula of heat is given by: q = m×c×∆THere, m = massc = specific heat∆T = change in temperature

Q: A 1.00 g piece of copper metal is initially at 100.0°C. It is dropped into a coffee cup calorimeter…

A:

Q: E3b. When a brass block was dropped into 124 g water, the water temperature increased from 21.0 C to…

A: Given that a brass block was dropped into 124 g water. The specific heat capacity of water is 4.184…

Q: Consider a neutralization reaction in which NaOH(aq) is mixed with H2SO4(aq) in a coffee cup…

A: Given is coffee cup calorimeter,  Mass m = 159.0 g ΔT = 7.70 °C   We need to find heat of…

Q: In an experiment, 27.0 g of metal was heated to 98.0°C and then quickly transferred to 150.0 g of…

A: The energy released by the metal is used by the water to raise its temperature from  20.0°C to…

Q: Show your ealculations acquired daia, Labe J 3) If 3.00 g of iron metal are reacted in a calorimeter…

A: Given, Mass of iron, m=3.00 g Heat capacity of calorimeter,Q =500 J/∘C Specific heat of…

Q: A 0.5736 g of unknown substance is burned in a constant – volume bomb calorimeter that has a heat…

A: Given: Mass of substance = 0.5736 g Heat capacity of calorimeter = 1.674 kJ/°C temperature increased…

Q: Suppose you heat a metal object with a mass of 30.0 g to 95.5 °C and transfer it to a calorimeter…

A: Given information is as follows: The mass of the metal = 30 g The initial temperature of the metal =…

Q: 1. When a 6.50 g sample of solid sodium hydroxide dissolves in 100.0 g of water in a coffee- cup…

A:

Q: When a 12.6 g sample of NaOH(s) dissolves in 398.0 mL water in a coffee cup calorimeter, the…

A: Mass of sample = 12.6 g  Mass of water = 398.0 mL Change in temperature of water  = 29.7 °C - 21.6…

Q: How much heat is released (negative value) if 19.955 g of a metal with heat capacity of 0.385 J/g°C…

A: The given mass of the metal (m) = 19.955 g Heat capacity of the given metal (C) = 0.385 J/g  °C…

Q: How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL (about…

A: The heat transferred by a substance is determined as the equation:

Q: . A 10-g solid was heated in a test tube to 100℃ in boiling water and added to the coffee-cup…

A:

Q: You mix 125 mL of 0.260 M CsOH with 50.0 mL of 0.650 M HF in a coffee-cup calorimeter, and the…

A:

Q: 3. A piece of copper metal is initially at 100.0°C. It is dropped into a coffee cup calorimeter…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.36 kg sample…

A: Given: Mass of sampleC4H6O2=1.36 kg T1=48.6οC T2=61.7οC Q=2.79×104 J To find: Molar heat capacity…

Q: What is the specific heat in J/g°C for a metal sample with a mass of 78.9 g which absorbs 753 J of…

A:

Q: OWhen a 0.740-g sample of trinitrotoluene (TNT), CH-N,Oo, is bumed in a bomb calorimeter, the…

A: Given volume of water = 675mL  Density of water = 1g/mL  So, mass of water = volume×density = 675g…

Q: muny giallis Of CU, are produced per 2.50 x 103 kJ of heat released? 0.0809 g 3.56g 31.3 g 157 g…

A: Since you have posted multiple questions and have mot mentioned which question you want to be…

Q: When 10 g of citric acid was burned in a calorimeter containing 1500 g of water, a temperature rise…

A: Step 1: We know that,

Q: spe capacity of a metal. A piece of hot metal is dropped onto a weighed quantity of ice. The energy…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.19 kg sample…

A:

Q: 31. When a 0.740-g sample of trinitrotoluene (TNT), C,H;N2O6, is burned in a bomb calorimeter, the…

A: We know that : Heat capacity, C = specific heat, c*mass, m  Or, specific heat, c = C/m = 534/675…

Q: 4. Calculate q when 12.0 g of water is heated from 20 °C to 100 °C (specific heat of water 4.18…

A: q = m C ∆T q = heat lost / gain m = mass of substance C = specific heat capacity ∆ T = final…

Q: If a system has 5.00 x 102 kcal of work done to it, and releases 5.00 x 102 kJ of heat into its…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.76 kg sample…

A: To find molar heat capacity.

Q: A cup contains 195 g195 g of coffee at 99.3 °C99.3 °C. Suppose 63.4 g63.4 g of ice is added to the…

A: Given data mass of coffee = 195 g initial temperature of coffee = 99.3 oC mass of ice added = 63.4 g…

Q: A gas expands and does work on the surroundings equal to 3.55 L atm. At the same time, it releases…

A: Energy is calculated as follows

Q: What is the amount of heat (value of q) when 22.8 g of aluminum is heated from 20.0℃ to 425℃?

A: Given :- mass (m)  = 22.8 g           Initial temperature (T1) = 20.0 oC           Final temperature…

Q: How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL (about…

A: The net heat absorbed by water will be equal to the heat released by coffee. Determination of heat…

Q: The specific heat capacity of lead is 0.13 J/g-K. How much heat (in J) is required to raise the…

A:

Q: How much energy is required to increase the temperature of 175 mL of water from 18.5 ° C to 85.0 °…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.43 kg sample…

A: Given, mass of sample C4H11N, m = 0.43 kg Moles  0f C4H11N = 0.43 ×103 g73 g/mol change in…

Q: (4 blanks) An ice-making machine operates in a Carnot cycle. It takes heat from water at 0.0 °C and…

A: The Carnot engine estimates the maximum efficiency any heat engine can obtain.   Given m=85.0 kg…

Q: When a  brass black was dropped into a 124-gram water, the water temperature increased from 21.0°C…

A: Given,Mass of water, mwater = 124 gMass of brass, mbrass = 77.764 gInitial temperature of water =…

Q: (4 blanks) An ice-making machine operates in a Carnot cycle. It takes heat from water at 0.0 °C and…

A:

Q: When a 13.0-g sample of NaOH(s) dissolves in 400.0 mL water in a coffee cup calorimeter, the…

A: 13 grams of NaOH is dissolved in 400 mL of water taken in a coffee cup calorimeter. The heat…

Q: Consider a neutralization reaction in which NaOH(aq) is mixed with H2SO4(aq) in a coffee-cup…

A:

Q: what is the change in energy (in J) for a system that lost 279 J of heat to the surroundings, and…

A: Given : System is losing energy = 279 J And the system is doing work = 317 J