(a) What is the molar heat capacity of liquid water?  J/mol oC (b) What is the heat capacity of 4.20 mol of liquid water?  J/ oC

Q: A small piece of calcium carbonate was placed in a constant-volume calorimeter (Ccal=0.488  kJ/°C),…

A: Given data :  1. Ccal=0.488 kJ/°C 2. Change in temperature = 3.5 oC

Q: 5 grams of an unknown compound was dissolved in 75 ml of water with an initial temperature of 22.5ᵒC…

A: Given: Weight of water = 75 ml = 75 grams Initial temperature (T1) = 22.5°C Final temperature (T2) =…

Q: When 1.93 g of NaCl are added to 114 g of water in a constant pressure calorimeter, the temperature…

A: Heat absorbed by solution is calculated as Q = m×c×∆Twherem= mass of solutionc = specific heat…

Q: When 8.67 g of NaOH are added to 207 g of water in a constant pressure calorimeter, the temperature…

A:

Q: What is the heat change in kj associated with 33.38 g of liquid water at 5.00 ° C changing to solid…

A:

Q: When 1 g of material X(molar mass= 40/g/mol) was dissolved in a beaker containing 50.0 ml of 1 M HCI…

A: Given  Mass of material= 1 g  Molar mass of material = 40 g/mol  Moles of material = mass of…

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: A quantity of 2.00 x 10 mL of 0.706 M HCI is mixed with 2.00 x 10 mL of 0.353 M Ba(OH), in a…

A: The balanced equation is   2 HCl (aq) + Ba(OH)2 (aq) ------> BaCl2 (aq) +  2 H2O (l) Net ionic…

Q: 66.667 ml of 3.000 M H2SO4 (aq) solution was neutralized by the stoichiometric amount of 4.000 M…

A: Given: Concentration of H2SO4 = 3.0 M volume of H2SO4 = 66.667 mL Concentration of Al(OH)3 = 4.00 M…

Q: Suppose you burned 1.634 g of benzoic acid, C6H5 CO₂ H, in a constant volume calorimeter and found…

A: Given , mass of benzoic acid= 1.634 g temperature change = (30.63-20.01)oC = 10.62oC = 10.62 K mass…

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: 5.138 Metabolic activity in the human body releasesapproximately 1.0 × 104 kJ of heat per day.…

A: Given data: Mass of the body = 55kg Heat released by human body = 1.0×104 Heat of vaporization of…

Q: In a coffee cup calorimeter, a student adds 2.50 g of calcium, followed by addition of 50.0 mL of…

A: Let us take the initial temperature of all components are at room temperature, i.e., 250C (298 K)…

Q: When 1.00 L of 2.00 M Na SO, solution at 30.0°C is added to 2.00 L of 0.750 M Ba(NO), solu- tion at…

A: Calculate the enthaply change per mole of BaSO4 formed.To determine the number of moles of BaSO4…

Q: When 50.00 mL of aqueous HCl was mixed with 50.00 mL of NaOH (in large excess), the temperature of…

A:

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

A:

Q: In a calorimetry experiment, O.0242 g of calcium metal are added to 20.7 mL of 0.405 M hydrochloric…

A: Given: mass of Ca(s) = 0.0242 g Concentration of HCl = 0.405 M Volume of HCl = 20.7 mL density of…

Q: When 23.6g of calcium chloride, Was dissolved in water in a constant pressure calorimeter, the…

A: For heat capacity ,heat and temperature ,there is a relation for all: q=c×△TWhere:q= Heat…

Q: 15.5a of an nknown. metal at 8l6.30°C .5 placed.in 50a at 7.60°C, The waters temparature is measured…

A: Given mass of unknown metal = 15.5 g Initial temperature of metal = Ti = 86.30 0C Final temperature…

Q: When pure sulfuric acid is dissolved in water, heat is evolved. 10.65 g of pure sulfuric acid at…

A:

Q: A 13.6 g metal block is warmed to 79.7°C and plunged into an insulated calorimeter containing 46.2 g…

A:

Q: When 15.0 mL of 3.00 M NaOH was mixed in a calorimeter with 13.0 mL of 3.00 M HCl, both initially at…

A:

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: When 1.000 g of olive oil is completely burned in pure oxygen in a bomb calorimeter, the temperature…

A: The values are given as follows:

Q: When 2.35 g of NaCl are added to 111 g of water in a constant pressure calorimeter, the temperature…

A:

Q: What is the final temperature (in K) of 2.630 g of water with an initial temperature of 293.2 K…

A: Given: The initial temperature of the water, (T1) = 293.2 K. The mass of water, (m) = 2.630 g The…

Q: A sample of 17.1g of solid with molar mass 71.9g/mol is dissolved in 331g of water initially at…

A: Given: Mass of water= 331 g Tf= 26.8°C Ti= 22.5°C

Q: Aqueous ethylene glycol is commonly used in car radiatorsas an antifreeze and coolant. A 50%…

A: Given : Mass of solution = 4.0 Kg  Heat absorbed by the solution = 250 KJ  Specific heat capacity of…

Q: 11.00 g of Compound X with molecular formula C,H, are burned in a constant-pressure calorimeter…

A: 11.00 g of C3H5 is burned in a constant pressure calorimeter, contains 50.00 Kg of water at 25 ◦ C.…

Q: When a piece of unknown metal weighing 34.70 grams, and at a temperature of 67.60 °C, is placed in a…

A:

Q: The combustion of 1.00 mol of glucose (C6H1206) liberates 2820 kJ of heat. If 1.13 g of glucose is…

A: Moles of glucose are, Moles = mass ÷ molar mass Moles = 1.13 g ÷ 180 g/mol Moles = 0.0063 mol   Heat…

Q: 4. A 505 gram piece of copper tubing is heated to 99.0 °C and placed in an insulated vessel…

A: Heat capacity: The amount of heat required to increase the temperature of a substance by one-degree…

Q: what is the chemical equation that represents the standard heat of formation for methanol, CH3OH

A: Here, we have to write the chemical equation that represents the standard heat of formation for…

Q: How much heat is required to raise the temperature of 1.00 kg of water from 25oC to 50oC?  (The…

A: Q = m . s . (T2 - T1) Q = ? m = 1.00 kg = 1000 g s = 4.184 J/g · oC T2 = 50 oC T1 = 25 oC

Q: When 25.0 mL of 1.0 M H2SO4 is added to 50.0 mL of 1.0M NaOH at 25 °C in a calorimeter, the…

A: Given that 25.0 mL of 1.0 M of H2SO4 is added with 50 mL of 1.0 M of NaOH solution at 25°C Recall…

Q: To warm 400.0 g of H2O, 0.050 mol of ethanol (C2H5OH) is burned. The water warms from 24.6°C to…

A: The amount of heat required to increase the temperature of one kilo gram of a substance by one…

Q: 48.2 mL of a solution of HCl is combined with 110.7 mL of 1.35 M NaOH in a calorimeter. The reaction…

A: Given: Volume of HCl solution = 48.2 mL = 0.0482 L                               (Since 1 L = 1000…

Q: Glucose, C6H12O6(s), (ΔHr° = -1275.2kJ/mol ) is converted to ethyl alcohol, C2H5OH(l), and carbon…

A:

Q: Propane, C3HB, reacts with oxygen to produce carbon dioxide, water and heat. C3HB +5 02-3CO2 + 4 H20…

A: The reaction is said to be exothermic if the enthalpy change is negative.  The reaction is said to…

Q: A quantity of 85.0 mL of 0.600 M HCl is mixed with 85.0 mL of 0.600 M KOH in a constant-pressure…

A: The balanced thermochemical equation is written as, HClaq+KOHaq→H2O+KClaq   ∆H°=-56.2 kJ/mol The…

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: When Ca(OH)2 is dissolved in water, it is known that the enthalpy of solution (AHsoln) is -16.2…

A: Given: Mass of Ca(OH)2 dissolved = 54 g. ΔHsoln of Ca(OH)2 = -16.2 KJ/mol. And volume of water =…

Q: The enthalpy of solution (∆ H) of NaNO3 is 20.4 kJ/mol. If 2.05 g NaNO, is dissolved in enough water…

A:

Q: Toluene, CHs, is used in the manufacture of explosives such as TNT. A 1.500 gram sample of liquid…

A: A question about combustion of Toluene, which is  to be accomplished.

Q: When a piece of unknown metal weighing 34.70 grams, and at a temperature of 67.60 °C, is placed in a…

A:

Q: 4. When a solution containing 8.00 g of NaOH in 50.0 g of water at 25.0 °C is added to a solution of…

A: Answer :-  3) The reaction will be non spontaneous at all temperature.  4)   ∆H = -50.19 (kJ) or  ∆H…

Q: The heat of combustion of ethanol, C,H,OH(I), is-1367 k.J/mol. A batch of sauvignon blanc wine…

A: Given: Heat of combustion of ethanol = -1367 kJ/mol Percent of ethanol by mass       = 12.1% Density…