student mixed 5.00 g (0.0594 mol) of solid cyclohexane, C6H12, (84.18 g mol–1) at its melting temperature of 6.6°C with 50.0 g (0.594 mol) of liquid cyclohexane at 50.0°C in an open yet insulated container. After thermal equilibrium was established, the temperature of the mixture was 44.5°C. The specific heat capacity of liquid cyclohexane

Q: 0.700 moles of an unknown solid is placed into water to make 150.0 mL of solution. The solution's…

A: given data is moles of the sample is 0.700 moles  volume is 150.0ml solution temperature is…

Q: Zinc metal reacts with hydrochloric acid according to the following balanced equation:…

A: Given reaction is:    Zn (s) + 2 HCl (aq) → ZnCl2 (aq) + H2 (g)

Q: you combine 50.0 mL H2O, 50.0 mL of 2.2 M HCl(aq), and 4.088 g NaOH(s) (molar mass of NaOH = 40.00…

A: Heat absorbed or released is given by equation q = m c ΔT where, q= heat energy m = mass =104.910 g…

Q: 50.0 g of NH4Cl(s) (53.49 g mol–1) is dissolved in 200.0 mL of H2O in a constant–pressure…

A: Given:…

Q: 2.964 g of NH4Cl (53.19 g/mol) are added to 50.0 mL of water (18.02 g/mol, density = 1.00 g/mL) and…

A: Find the moles of NH4Cl

Q: What is the change in enthalpy when 9.00 mol of sulfur trioxide decomposes to sulfur dioxide and…

A: Given reaction 2SO2(g) + O2(g) → 2SO3(g); ΔH° = 198 kJ We need reaction 2SO3 → 2SO2(g) + O2(g) So,…

Q: 250.0 mL of 0.300 M HCl is added to 250.0 mL of 0.300 M NaOH in a coffee cup calorimeter. The…

A:

Q: When 8.6 grams of a certain compound is dissolved in 78 grams of water in a calorimeter, the…

A:

Q: The salt calcium chloride is soluble in water. When 1.55 g CaCl₂ is dissolved in 116.00 g water, the…

A: Given,The amount of water = 116.00 gTemperature (T1) = 250CTemperature (T2) = 27.470C. = (27.47-…

Q: When 5.022 g of sodium hydrogen carbonate NAHCO2(s) reacts completely with 80.00 mL of acetic acid…

A: 1.) First we would calculate heat of reaction using formula :  q = m × C × ∆T  Here , m = Mass of…

Q: ΔH for the dissolving process KOH (s) → KOH (aq) is -57.6 kJ/mol KOH.  In an insulated calorimeter,…

A: In calorie meter we can calculate the hate of the reaction .

Q: When 0.220 g of sodium metal is added to an excess of hydrochloric acid, 2290 J of heat are…

A: Given: 2 Na + 2HCl -----> 2NaCl + H2 when, mass of Na = 0.220g , heat released = 2290J

Q: A generic solid, X, has a molar mass of 84.1 g/mol.84.1 g/mol. In a constant‑pressure calorimeter,…

A: Given: The mass of solid and water is 22.3 g and 213 g, respectively. The initial and final…

Q: In an coffee cup calorimeter experiment, sodium hydroxide (7.17 g) was dissolved in water (86.6 g).…

A: Enthalpy of solution :-           It is the amount of heat released or absorbed in the system…

Q: When 0.238 g of sodium metal is added to an excess of hydrochloric acid, 2470 J of heat are…

A: 2Na(s) + 2 HCl (aq) -->2NaCl(aq) + H2(g) Enthaly of reaction=? Na has molar mass=23 0.238g of…

Q: A newly made Styrofoam ball calorimeter was first calibrated by mixing 10.0 mL of 0.40 M…

A: Given: Volume of HCl = 10.0 mL Concentration of HCl = 0.40 M mass of MgO = 0.1008 g MgO (MW = 40.30…

Q: In a calorimeter, 300 mL of 0.22 mol/L of calcium chloride is mixed with 200 mL of 0.33 mol/L of…

A: The Balanced Chemical reaction equation for the sodium phosphate and calcium chloride 2 Na3PO4 + 3…

Q: using a calibrated solution calorimeter measured a temperature decrease of 1.10 K when 1.00 g of…

A: Since, the temperature of the calorimeter is decreased, which indicates that heat is absorbed by the…

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 50.0 mL of 1.79 M of HCl(aq) is combined with 50.0 mL of 1.89 M of NaOH(aq) in a coffee-cup…

A:

Q: Potassium nitrate, KNO,, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 19.3 g…

A: In the given solvation process the temperature of the water is decreased. Hence the solvation…

Q: 0.81 g sample of KCl is added to 37.9 g H2O and stirred until KCl completely dissolves in a…

A: When KCl is mixed with water as we see temperature of the system decreases . Heat of solution is…

Q: Given the following reactions N₂(g) +202(g) →→→ 2NO₂(g) - 2NO(g) + O₂(g) → 2NO2(g) AH = -114.2 kJ…

A: The enthalpy of the reaction is considered as the state function that is it depends only on the…

Q: A student using a calibrated solution calorimeter measured a temperature decrease of 1.10 K when…

A: Given: Temperature of the solution with calorimeter decreased = 1.10 K Mass of KNO3 added = 1.00 g.…

Q: What mass of water, measured at 177 K and 0.720 atm, is required in order to release 1500 kJ of heat…

A: Given -> CH4(g) + 2O2(g) ----> 2H2O(l) + CO2(g) ∆H°=-890.3 kJ Temperature (T) = 177 K…

Q: A 1.010 g sample of refined table sugar sucrose (C12H22O11) was placed in an oxygen bomb calorimeter…

A: Given the mass of table sugar burned inside the calorimeter = 1.010 g Initial temperature of…

Q: A coffee-cup (constant pressure) calorimeter is used to carry out the following reaction in 50 mL…

A:

Q: 1. A student determines the molar mass of acetone, CH,COH., by the method used in this experiment.…

A: It is given that:Mass of solute added = 10.5 gMass of solution = 86.4 g

Q: You have 0.500-L of a 0.275-M solution of acetone (C3H6O), initially at 37.0°C. You place a copper…

A:

Q: 6. 100.0 mL of 1.00 M of HCl and 100.0 mL of 2.00 M of Ca(OH)2 are mixed at 298K. During the…

A: The objective of the question is to calculate the heat of neutralization.

Q: When two different liquids are mixed or when a gas or solid is dissolved in a liquid, bonds are…

A: The objective of this question is to show ghe substances dissolve, a change in heat occurs, and…

Q: 4.38 g of a gas (28.1 g mol–1) was dissolved in liquid water in a calorimeter with a calorimeter…

A: The question is based on the concept of chemical thermodynamics. We have  to calculate enthalpy of…

Q: What is the change in enthalpy in joules when 5.44x10-4 mol of AgCl dissolves in water according to…

A: Given, number of moles of AgCl =5.44×10-4 molesthe chemical equation is as…

Q: When 4 grams of a certain compound is dissolved in 61 grams of water in a calorimeter, the…

A:

Q: When 2.045 g of NH4NO3 (molar mass is 80.05 g/mL) is added to 100.0 mL of water at 25.09C, the final…

A: Reference: Self Introduction: Amount of heat energy that is released or absorbed when a solution is…

Q: A piece of metal weighing 8.00 g  at a temperature of 46.0 oCo was placed in a calorimeter in 38.10…

A: Given Mass of metal         = 8.00 g Initial temperature = 46.0 °C Final temperature  = 25.7 °C…