A 58-g copper calorimeter (sp. ht. = 0.093 cal / g.oC) contains 260 g of water at 20 oC. When 78 g of an alloy at 95 oC is dropped into the calorimeter, the resulting temperature is 28 oC. What is the specific heat of the alloy

Q: Assume that 100.0 mL of 0.200 M NAOH and 50.0 mL of 0.400 M HCl are mixed in a calorimeter. The…

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Q: A group of students was asked to determine the heat of reaction for the neutralization of a newly…

A: To answer: 1) Heat capacity of calorimeter 2) The balanced chemical and net ionic equations for the…

Q: Enter your answer in the provided box.   If 0.050 mol hydrochloric acid (HCl) is mixed with 0.050…

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Q: A dilute solution of hydrochloric acid with a mass of 608.62 g and containing 0.38547 mol of HCl was…

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Q: Find the molar enthalpy in kJ per mol of H2 of the reaction: H2(g) + Cl2(g) → 2 HCl(g) given that…

A: Given reaction; H2(g) + Cl2(g) → 2 HCl(g) Given amount of water m = 481 g Heat capacity of water c =…

Q: calorimeter containing 837 mL of 1.10 M acid, where the acid has a 1 to 1 molar ratio with sodium…

A: We will calculate ∆H in Kj/mol

Q: A simple coffee-cup calorimeter is often used to determine the amount of heated released when an…

A: Number of moles=Given massMolar mass

Q: When 0.7521 g of benzoic acid was burned In a calorimeter contalning 1,000. g of water, a…

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Q: In the following experiment, a coffee-cup calorimeter containing 100 mL of H20 is used. The initial…

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Q: A common laboratory reaction is the neutralization of an acid with a base. When 40.3 mL of 0.500 M…

A: The volume of HCl = 40.3 mL OR 0.0403 L The molarity of HCl = 0.5 M The volume of NaOH = 75 mL or…

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: Given that: Mass of the solution (m) = 100.0 g Specific heat capacity (C) = 4.18 J/g°C Temperature…

Q: In a coffee-cup calorimeter, 120.0 mL of 1.4 M NaOH and 120.0 mL of 1.4 M HCl are mixed. Both…

A: coffee-cup calorimeter, 120.0 mL of 1.4 M NaOH and 120.0 mL of 1.4 M HCl are mixed. Therefore, Total…

Q: Assume that 100.0 mL of 0.200 M NaOH and 50.0 mL of 0.400 M HCl are mixed in a calorimeter. The…

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Q: When a solution containing 8.00 g of NaOHNaOH in 50.0 g of water at 25.0 ∘C is added to a solution…

A: The heat released by the reaction can be calculated as follows:

Q: 7) A 100.0 mL sample of 0.300 M NaOH is mixed with a 100.0 mL sample of 0.300 M HNO3 in a coffee cup…

A: Recall the following expression to calculate amount of heat(Q) gained by water…

Q: 0.018 moles of a solute is dissolved in 14.85 g of water in a calorimeter with a heat capacity of…

A: Given data mole of solute = 0.018 mole mass of water = 14.85 g heat capacity of Calorimeter , Ccal =…

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…

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Q: 12. A 44.0 g sample of unknown metal at 99.0 °C was placed in a constant-pressure calorimeter, with…

A: The formula for specific heat can be written below in which q represents the heat energy in Joules,…

Q: Manganese reacts with hydrochloric acid to produce manganese(II)(II) chloride and hydrogen gas.…

A: Mass of Mn = 0.625 g Molar mass of Mn = 55 g/mol Mole(n) = 0.625/55 = 0.0114 mol Volume = 100 mL…

Q: A piece of metal weighing 5.10 g at a temperature of 48.6°C was placed in a calorimeter in 20.00 mL…

A: Interpretation: A piece of metal weighting 5.10 g at a temperature of 48.6°C was placed in a…

Q: A common laboratory reaction is the neutralization of an acid with a base. When 17.5 mL of 0.500 M…

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Q: A 23.5 g sample of unknown metal at 79.5 °C was placed in a constant-pressure bomb calorimeter…

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Q: 6. A 128g piece of Iridium at 95 C is dropped into a 45.2g of water at 17.3 C. The final temp of the…

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Q: A chemical engineer studying the properties of fuels placed 1.440 g of a hydrocarbon in the bomb of…

A: The change in temperature is 20.0 to 23.55 degree Celsius.Heat absorbed by calorimeter = heat…

Q: Assume that 100.0 mL of 0.200 M NaOH and 50.0 mL of 0.400 M HCl are mixed in a calorimeter. The…

A: Given :-  Volume of HCl = 50.0 mL = 0.0500 L  Molarity of HCl = 0.400 M = 0.400 mol/L  Volume of…

Q: Write the balanced equation (total ionic) for the

A: We haven to give the total Ionic equation of given reaction, and tell why reaction got heated up.…

Q: The complete combustion of propane, C3H8(g) + 5 O2(g) --> 3 CO2(g) + 4 H2O(l), has DH = -2220 kJ.…

A: Given combustion reaction of Propane; C3H8(g) + 5 O2(g) --> 3 CO2(g) + 4 H2O(l), has ∆H = -2220…

Q: pitiosge ertl a54 pll 81.A bns noituloa ent l HA 1.02grams of Mg was reacted with excess 1 M HCI…

A: We will use the formula, q=m×c×∆T Where, q= change in heat c=specific heat ∆T = change in…

Q: 9.000g of Compound X with molecular formula (C4H8) are burned in a constant-pressure calorimeter…

A: The temperature rise of water  = 2.765oC = 275.915K  Mass of water = 35kg The heat released by the…

Q: 50.0 g iron ball (sp ht = 0.473 J/goC) is heated to 35oC and is placed in a calorimeter holding…

A: Mass of iron ball = 50.0 gm  Specific heat of iron = 0.473 J/g°C  Initial temperature of iron ball =…

Q: 25.0 mL of 1.00M HCI at 23.5°C react with 25.0 mL 1.00 M NaOH in a styrofoam calorimeter whose…

A: The energy of a system is always conserved. The amount of heat released or absorbed by the reaction…

Q: The heat of combustion of methanol is -715 kJ/mol.  When 0.07 mol of methanol are burned in a bomb…

A: Use formula =Q= nc∆T  C= 1174.055kj/kg

Q: If a 50.0g sample of Cu is heated to 180.00C and is placed in 100.0 ml of water in a calorimeter at…

A: Given :  Mass of Cu sample = 50.00 gm  Initial temperature of Cu = 180 °C  Volume of water = 100 ml…

Q: In a coffee-cup calorimeter, 110.0 mL of 1.4 M NaOH and 110.0 mL of 1.4 M HCI are mixed. Both…

A: The total volume of the solution is = 110.0 + 110.0 = 220.0 mL The increase in the temperature of…

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: A student mixes 67.0 mL of a 2.01 M sodium hydroxide solution with 22.4 mL of 6.45 M hydrochloric g…

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Q: The enthalpy of reaction is -11.7 kJ/mol for the following reaction:   HCN(aq) + NaOH(aq) -->…

A: Given : Enthalpy of reaction =  -11.7 kJ/mol  Reaction given as : HCN(aq) + NaOH(aq) --> H2O(l) +…

Q: the enthalpy of reaction is -11.7 kJ/mol for the following reaction HCN(aq) + NaOH(aq) --> H2O(I) +…

A: Given mass of HCN = 0.926 g specific heat C = 4.18 J/g°C total mass = 77.3 g enthalpy of reaction =…

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

A: 100ml of H2O is used Initial Temperature = 23oC ∆H = -82.8kJ/mol = 82800J Specific heat = 4.184J/goC…

Q: The molar heat of combustion of naphthalene (mol wt = 128.17 g/mol) is -1128.2 Kcal/gmol. If 0.300 g…

A: Given data for naphthalene   molar heat of combustion for naphthalene  =-1128.2 Kcal/mole molar mass…

Q: 8.00g of Compound X with molecular formula C4H8 are burned in a constant-pressure calorimeter…

A: The heat absorbed by 35.00 kg of water is; Q=mc∆T=35.00 kg×4.184 kJ/kgCo×2.501Co=366.25 kJ

Q: 12.00 g of Compound X with molecular formula C,H10 are burned in a constant-pressure calorimeter…

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Q: What is the specific heat of a substance that requires 2531 J to raise the temperature of a 250.0…

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Q: A 500.0 g sample of an element at 153.0 C is dropped into an ice-water mixture. 109.5g of ice melts…

A: Answer:   Let's have the information that: Specific heat capacity of ice: 2.03 J/g-°CSpecific heat…

Q: A common laboratory reaction is the neutralization of an acid with a base. When 50.0 mL of 0,500 M…

A: Given: HCl=0.500M NaOH=0.500M specific heat capacity=4.18 j/g C   find: enthalpy of reaction?

Q: A piece of unknown substance weighs 55.8 g and requires 1910 J to increase its temperature from…

A: (a)Calculate the change in temperature:

Q: In Part B of the experiment, a student mixes 28.0 mL of 1.100 M HC1(aq) with 28.0 mL of 1.000 M…

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Q: A group of students was asked to determine the heat of reaction for the neutralization of a newly…

A: To answer: 1) Heat capacity of calorimeter 2) The balanced chemical and net ionic equations for the…