3. A 10-g solid was heated in a test tube to 100°C in boiling water and added to the coffee-cup calorimeter with 50 of water. The water temperature increase from 25.1°C to 28.5°C. What is the specific heat of the solid? “ Qsolid QH;0

Q: Adding 5.47 g of to 140 g of water in a coffee-cup calorimeter (with stirring to dissolve the salt)…

A: According to the question, we are adding 5.47 g of NH4NO3 to 140 g of water in a coffee-cup…

Q: 1. A 5.000 g sample of methanol, CH,OH, was combusted in the presenmce of excess oxygen in a bomb…

A: The given data : The mass of methanol = 5.000 g The mass of water = 4000 g The initial temperature…

Q: Consider the following thermochemical reaction: 6 HCl(g) + 2 BCl3(g)-->B2H6(g) + 6Cl2(g) ΔHrxn =…

A: Given :-  6 HCl(g) + 2 BCl3(g)-->B2H6(g) + 6Cl2(g) ΔHrxn = +755.4 kJ  To calculate :-  mass of…

Q: A 4.00-g sample of rocket fuel was combusted in a bomb calorimeter according to the following…

A:

Q: Given the thermochemical equation, calculate the heat evolved (in kJ) when 118 g of SO2 (molar mass…

A: Given: The thermochemical reaction is as follows: 2SO2  +  O2 ------> SO3              H=-198…

Q: When a  3.21 g  sample of solid sodium hydroxide was dissolved in a calorimeter in 100.0 g of water,…

A: Mass of Water = 100.0 g. Specific heat of water = 4.184 J/g 0C. Change in temperature, ΔT = 32-23.9…

Q: In the following experiment, a coffee-cup calorimeter containing 100 mL of H2 0 is used. The initial…

A:

Q: An engineering student wants to study the heat transfer between a 50 g of heated block of iron (cFe…

A:

Q: 0.15 moles of hydrochloric acid was neutralised by 0.50 moles of sodium hydroxide solution in a…

A: i) HCl is a strong acid while NaOH is strong base, so when they react with each other, they undergo…

Q: Calcium metal reacts with acid in solution according to the following reaction: Ca(s) + 2H†(aq) →…

A: Given: Mass of Ca reacting = 0.1437 g. Mass of solution = 150.0 g. Initial temperature = 21.80 oC…

Q: In the following experiment, a coffee-cup calorimeter containing 100. mL of H2O is used. The initial…

A: Given: Volume of calorimeter = 100 mL Initial temperature        = 23 oC Mass of CaCl2…

Q: When a 3.76 g sample of solid ammonium nitrate dissolves in 60.0 g of water in a Styrofoam-cup…

A: Interpretation-  To determine  ΔH (in kJ/mol NH4NO3) for the solution when 3.76 g sample of solid…

Q: In a coffee-cup calorimeter, 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M HCl are mixed to yield…

A:

Q: C3H8 (g)  +     O2 (g)  ->    CO2 (g)  +  H2O (l)     DH  =  -2220 kJ    How much heat, in kJ, is…

A: Heat is evolved by the complete combustion of 1.100g C3H8, (g) for the following reaction  C3H8 (g)…

Q: In a calorimetry experiment, a 22.5 gram metal object was heated to 64.23oC. It was placed into a…

A:

Q: alorimeter, with both substances at 23.0 °C. Calculate the final temperature of the solution. CaCl2…

A: First Calculate mass of Solution by Density×volume Then Calculate heat release in the Process. Q=…

Q: 9.31 A metal radiator is made from 26.0 kg of iron. The specific heat of iron is 0.449 J/g °C. How…

A: Since you are posted with multiple questions and also you are mentioned as answer item 9.31 only. So…

Q: The AH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When…

A: Given that : ∆Hsolution=44.4 kJ/molThe mass of NaOH=10.9 gThe mass of water=253 gInitial…

Q: How much heat (in kJ) will be released (∆H) if 1.20 mol of SrO is mixed with 0.717 mol of CO₂ in the…

A: Answer :-  ∆H° = -168 (kJ) When1.20 mol of SrO is mixed with 0.717 mol of CO2 , amount of heat is…

Q: The value of ΔH0 for the reaction is -6535 kJ.  What is the heat released in the combustion of 16.0…

A: When two moles of benzene reacts with fifteen moles of oxygen gas twelve moles of carbon dioxide and…

Q: What was the mass of the reaction solution?

A: We have to find the heat absorbed

Q: which material (aluminum , copper , lead) increase the temperature of water by the greatest amount…

A:

Q: 5.04 x 10-3 mole of a compound is added to 41.0 g of water in a styrofoam cup and stirred until it…

A: Given,Mass of water = 41.0g.Temperature change = 23.4600C – 23.4200C…

Q: When a 7.94-g sample of solid potassium chlorate dissolves in 46.3 g of water in a coffee-cup…

A: Mass of sample = 7.94 g  Mass of water = 46.3 g Initial temperature = 23.00 °C Final temperature =…

Q: KJ/mol. The heat of reaction for the combustion of a mole of Ti in this calorimeter is

A: The ∆Hcombustion is the amount of heat in the energy needed to burn per mole of a substance. Its…

Q: When 21.0 g of 0.200 M NaCl(aq) at 18.7 °C is added to 18.0 g of 0.100 M AgNO3(aq) at 18.7°C in a…

A: Interpretation - To determine the amount of heat produced ( in J) when 21.0 g of 0.200 M NaCl(aq) at…

Q: A 222.5 mg sample of sucrose (C12H2½O11) is combusted in a bomb calorimeter. The temperature of the…

A: Mass of C12H22O11 =222.5 mg=0.2225 g Temperature change = 21.94-21.20=0.74 °C Heat capacity of…

Q: When a 12.8 g sample of NaOH(s) dissolves in 360.0 mL water in a coffee cup calorimeter, the…

A:

Q: A 74.8 g sample of a metal at 143.2 °C is added to an insulated vessel containing 208g of water at…

A: The given data contains, mass of metal =74.8 g mass of water =208 g initial temperature of water…

Q: 2CO (g) + O2(g) --> 2 CO2(g) delta H = -566 KJ endothermic or exothermic 2.8 g of CO let to react…

A: Combustion reaction are exothermic in Nature because energy released in combustion reaction

Q: In a beaker 150.0 g iron is heated to the temperature of boiling water. In another beaker, 50.0 g…

A: The value possessed by all solids as well as liquids that gives heat needed to elevate temperature…

Q: 4. A 74.8 g sample of copper at 143.2°C is added to an insulated vessel containi 165 mL of glycerol,…

A:

Q: A 25.0 mL portion of dilute HCl (aq) is combined with a 25.0 mL portion of dilute NaOH in a…

A: Given that : The volume of HCl = 25.0 mL The volume of NaOH = 25.0 mL The initial temperature = 23.3…

Q: The temperature of an 6.95 g sample of an unknown metal increases from 22.0°C to 31.7°C upon the…

A: The mass of the sample is = 6.95 g Increase in the temperature is = 22.0oC to 31.7oC The required…

Q: A 3.623 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: Given, The weight of sample is 3.623 g. The given temperature values are 23.53 ˚C and 30.40 ˚C. The…

Q: When a  3.17 gg  sample of solid sodium hydroxide was dissolved in a calorimeter in 100.0 g of…

A: Given: Mass of NaOH dissolved = 3.17 g. Mass of water = 100.0 g  Initial temperature of water = 23.9…

Q: Oxygen generators in some airplanes are based on the chemical reaction between sodium chlorate and…

A: Given mass of sodium chloride = 553 g  Molar mass of sodium chlorate = 106.44 g.mol-  Moles = given…

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: The value of AH° for the reaction below is 128.1 kJ CH OH -CO, + 2H 2(g) 2(g) (1) How may kJ of heat…

A: CH3OH ---> CO2(g) + 2H2(g)       ΔH0 = 128.1 kJ 128.1 kJ of heat is consumed when 2 mol of H2 is…

Q: A 1.200 g sample of ZnCO3 (s) dissolved in 40.0 mL of a dilute HCl solution (density = 1.10 g/mL) in…

A: The reactants are zinc carbonate and dilute hydrochloric acid.

Q: The temperature of a 15-g sample of lead metal increases from 22 °C to 37 °C upon the addition of…

A: Heat capacity is the amount of heat required to raise the temperature of a substance by 10C.…

Q: Assume that the specific heat of the solution is the same as that of pure water. 5.54 (a) When a…

A: Given: Mass of solution= 60g  Mass of sample = 3.88g Initial temperature = 230C Final temperature =…

Q: A 10.7 ml sample of 0.947 M NaOH is mixed with 15.9 ml of 0.955 M HCl in a coffee-cup calorimeter.…

A: Given: Concentration of NaOH = 0.947 M Volume of NaOH solution = 10.7 mL = 0.0107 L…

Q: When a 1.50g sample of solid sodium hydroxide dissolves in 60.0g of water in a coffe cup…

A:

Q: How much heat (in kJ) will be released (∆H) if 1.20 mol of SrO is mixed with 0.505 mol of CO₂ in the…

A: According to the balanced chemical equation, 1 mole of CrO reacts with 1 mole of CO2 . Also, 234 kJ…

Q: When 6.54 grams of Zn is placed in 500.0 mL of 1.00 M CuSO4(aq) in a coffee cup calorimeter, it…

A: Given data,Mass of Zn=6.54gMolarity of CuSO4=1.00MVolume of CuSO4=500mL=0.5LTemperature…

Q: energylost by the Fewill be th the heat enérgy gained by- Mass of water 50.003 g Temperature of…

A: Given that :

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

A:

Q: Liquid hydrogen peroxide releases oxygen gas in its decomposition. 2 H2O2 — 2 H,О + O2 AHn = -196.1…

A: Given :-  2H2O2 → 2H2O + O2  ∆Hrxn = -196.1 kJ  To calculate :-  Amount of heat released when…

Q: In an experiment, when 2.4 g of Al is mixed with enough HCl in a coffee-cup calorimeter to make…

A: The reaction considered is, 2 Al (s) + 6 HCl (aq) →2 AlCl3 (s) + 3 H2 (g)