A 148 g sample of an unknown metal at 74.0 oC is placed in a beaker containing 80.0 g of H2O at 25 oC.  The final temperature of the metal sample and water is 32 oC.  cH2O(l) = 4.184 j/ g oC SHOW ALL WORK (a) What is the specific heat (c) of the metal?   (b) 5 common metals have the following specific heat capacities (c) [given in units of J/g oC] :    Aluminum: 0.921     Copper: 0.377        Gold: 0.126       Iron: 0.461      Nickel:  0.502   Your sample is most likely to be which metal?

Q: 3) C₂H₂(g) + 2 H₂(g) → C₂H6(g) (bon coinlatino Information about the substances involved in the…

A: Heat of formation is defined the enthalpy change when 1 mol of a compound is formed from its…

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A: Consider the generic reaction:A+2B→AB2ΔHrxn=−155k

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Q: a) What is the molar heat capacity of liquid water?   J/mol oC (b) What is the heat capacity of…

A: Heat capacity is the heat absorbed by fixed amount of respective substance.

Q: 5.114 A 3.52-g sample of ammonium nitrate (NH4NO3)was added to 80.0 mL of water in a…

A: Given that : Mass of ammonium nitrate = 3.52g Mass of water = 80.0mL = 80.0g Change in temperature…

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Q: A 1.800-g sample of phenol 1C6H5OH2 was burned in a bombcalorimeter whose total heat capacity is…

A: Given: Phenol 1 mole of C6H5OH2 was burned in a bomb calorimeter.

Q: 5.115 A quantity of 50.0 mL of 0.200 M Ba(OH)2 is mixedwith 50.0 mL of 0.400 M HNO3 in a…

A: The balanced chemical equation is given as, BaOH2(aq)+2HNO3aq→BaNO32aq+2H2Ol The required amount of…

Q: Benzoic acid, C7H6O2, occurs naturally in many berries. Suppose you burn 1.500 g of the compound in…

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A: The objective of this question is to find the correct option from the given.

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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 320 mg of naphthalene, C10H8(s), was burned in a bomb calorimeter (write the reaction and…

A: In bomb calorimeter, we use the following  formula, q = -C.∆T=> -∆U = C.∆T  C=  heat capacity of…

Q: Consider the thermochemical equation for the combustion of acetone (C3H,O), the main ingredient in…

A: Solution :      The heat of reaction is defined as the amount of heat absorbed or released during a…

Q: Potassium nitrate, KNO,, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 20.9 g…

A: Given data : Molar mass of KNO3 (MK)= 101.1 g/mol Mass of KNO3 (mK) = 20.9 g Mass of water (mw) =…

Q: The reaction of iron with hydrochloric acid is represented by the following thermochemical equation.…

A: Answer :-  e. 0.397(L) Volume of H2 gas produced at STP = 0.397 L…

Q: heat of reaction for the following reaction:   (NH4)2Cr2O7(s) → Cr2O3(s) + N2(g) +4H2O(g)

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Q: A 100.0-g sample of cold water at 20.0oC is added to a warm water of unknown mass at 65.0oC. If the…

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Q: Consider the decomposition of liquid benzene, C6H6 (), to gaseous acetylene, C2H2 (g) C6 H6 (1) →…

A: a) When a chemical reaction is reversed, the sign of enthalpy change of reaction also get reversed…

Q: a) Given that AgNO3 is -124.4 kJ/mol, at standard conditions, wha tis dH when 56g of AgNO3 (M =…

A: The standard enthalpy of formation of AgNO3 = - 124.4 kJ/mol. This suggests that the enthalpy for…

Q: Consider the following reaction: 2C6H6() + 15 O2(g)- 12 CO2(g) + 6 H20() AH = -5.869 x 103 kJ An…

A: Each reaction takes place account to their stoichiometric radio and account to those things the heat…

Q: The heat capacity of a bomb calorimeter was determined by burning 6.70 g of methane (energy of…

A: #(a): Mass of methane burned = 6.70 g  Enthalpy of combustion of methane = - 803 kJ/mol

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A: CH3OH + 3/2 O2 ...> CO2 + 2H2O dH = -764 KJ Enthalpy of reaction is negative. It means combustion…

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Q: The specific heat capacity of silver is 0.24 J/°C. g. (a) Calculate the energy required to raise the…

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Q: Calculate the internal energy change for each of the following. (a) One hundred thirteen (113)…

A: The formula for calculating internal energy is -                               ∆U = q + wWhere, ∆U…

Q: Magnesium reacts with hydrochloric acid to produce hydrogen gas. ΔH°f for HCl(aq) = –167.16 kJ/mol…

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Q: How many grams of iron (Fe) are formed when 2.28 x 10^3 kJ of heat evolves from the reaction?…

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Q: FInd the question in attachement

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Q: When a 45.0-g alloy is heated to 100.0 °C and then added to 55.0 g of water at 25.0 °C, the final…

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Q: How much heat was absorbed by the solution?

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Q: monium dichromate is sometimes known as Vesuvian Fire, because of its use in demonstrations of…

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Q: A 1.00 g sample of MgCl2 produced a 10.00 °C increased in a calorimeter charged with 40.0mL of…

A: Mass of MgCl2 = 1.00 g Increase in temperature, ΔT = 10.00 °C Specific heat of MgCl2, C = 0.750…

Q: Fifty (50.0) grams of hot water at 65.0oC is mixed with 40.0 g of cold water. The final temperature…

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Q: The AH;° for the reaction FeO() + CO(g)– Fe(s) + CO,(g) is -16.8 kJ. Use this data and the data in…

A: Standard enthalpy of reaction is the difference between standard enthalpies of formation of…

Q: Ammonium dichromate is sometimes known as Vesuvian Fire, because of its use in demonstrations of…

A: