Calculate q,w,ΔE, and ΔH for the process in which 77.3 g of nitrous oxide (laughing gas, N2O) is cooled from 161'C to 40.'C at a constant pressure of 6.00 atm.The molar heat capacity for N2O(g) is 38.7 J/′C⋅ mo

Q: What is the enthalpy change of the reactions; Fe(s) + ½ O2 (g) FeO (s) ∆Ho 25oC = -272.0 kJ Fe(s) +…

A: Reactions are Fe (s) + 1/2 O2  -----> FeO .... (1) 2Fe (s) + 3/2 O2  -----> Fe2O3 ..... (2)…

Q: Use the data from the table of thermodynamic properties…

A:

Q: In a coffee cup calorimeter, a student places 0.500 g of calcium, followed by addition of 50.0 mL of…

A:

Q: A coffee cup calorimeter contained 50.0 mL of a 1.33 M KOH solution at an initial temperature of…

A: Given,  A coffee cup calorimeter contained 50.0 mL of a 1.33 M KOH solution   and 50.0 mL of 1.17 M…

Q: In a constant‑pressure calorimeter, 70.0 mL of 0.850 M H2SO4 was added to 70.0 mL of 0.270 M NaOH.…

A: The reaction taking place between H2SO4 and NaOH is as follows:

Q: What is the ΔHsoln for KF?

A:

Q: 5b

A: The heat absorbed by the calorimeter is given by the expression given below in which cv is the heat…

Q: When 50.0 mL of 0.987 M H2SO4 is added to 25.0 mL of 2.00 M NaOH at 25.0 °C in a calorimeter, the…

A:

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: A 72.0 mL sample of 1.00 M NAOH is mixed with 59.0 mL of 1.00 M H,SO, in a large Styrofoam coffee…

A: The given thermochemical equation is: H2SO4(aq) + 2NaOH(aq)  ----> Na2SO4(aq) + 2H2O(l) ; ∆Hrxn =…

Q: Potassium cyanate dissolves in water according to the equation below. KCNO (s) ⟶ K+ (aq) + CNO−…

A: Potassium cyanate dissolves in water according to the equation below.KCNO (s) ⟶ K+ (aq) + CNO− (aq)…

Q: Phthalates used as plasticizers in rubber and plastic products are believed to act as hormone mimics…

A: Given data,ΔHcomb for dimethyl phthalate is –4685 kJ/molThe mass of the dimethyl phthalate is 1.10…

Q: Phthalates used as plasticizers in rubber and plastic products are believed to act as hormone mimics…

A: ΔHcomb =   Ccalorimeter ΔT nNote :  this formula is used in order to maintain the consistency of the…

Q: Hydrogen cyanide is a highly poisonous, volatile liquid. Determine the ΔH for the reaction that…

A: Hess's Law of Constant Heat Summation: If a reaction occurs in multiple stages or steps, the total…

Q: The oxidation of copper(I) oxide, Cu2O(s), to copper(II) oxide, CuO(s), is an exothermic process, 2…

A: the solution is as follows:

Q: art 1: Write the chemical equation obtained when reactions X and Y are added together to produce the…

A: Given : We have to calculate the delta H for the complete reaction.

Q: The standard enthalpy of formation of gaseous H2O at 298 K is -241.82 kJ/mol. What is the ΔH at 373…

A:

Q: 5.00 g of potassium hydroxide (molar mass = 56.1 g/mol) dissolves in 100.0 g of water and the…

A: The question can be solved by giveb formula,  Q=m×C×dT where Q = heat energy (Joules, J),  m = mass…

Q: When 2.18 g of copper(II) chloride (CuCl2) is dissolved in 119 g of water in a styrofoam calorimeter…

A:

Q: 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: 100.0 mL sample of 0.300 M NaOH is mixed with  100.0 mL sample of 0.300 M HNO3 Initial temperature =…

Q: Combustion of C12H22O11(s) (sucrose or "table sugar") produces CO2(g) and H2O(l). When 1.43 g of…

A:

Q: When 15.0 mL of 3.00 M NaOH was mixed in a calorimeter with 12.5 mL of 3.00 M HCl, both initially at…

A: Given,Molarity of NaOH = 3.00 Mvolume of NaOH = 15.0 mLMolarity of HCl = 3.00 Mvolume of HCl = 12.5…

Q: Use ΔH formation information provided to calculate ΔH of the reaction (in kJ) for the following:…

A: In this question, we have to find out the correct answer of given problem by the help of Enthalpy…

Q: When 4.20 g of solid NH4NO3 dissolves in 50.0 g of water at 26.8°C in a calorimeter, the temperature…

A: The heat of a substance is given as:

Q: THERMODYNAMICS: A 1.87 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb…

A:

Q: A student dissolves 11.9 g of sodium chloride (NaCl)in 250. g of water in a well-insulated open cup.…

A: Given that: Mass of NaCl = 11.9 g Mass of water = 250 g Initial temperature (Ti) = 23°C Final…

Q: Calculate the total enthalpy change (kJ) for the following reaction:   H2O (s, 90 g, –10. oC)…

A: In the above process, 3 steps are involved 1) Heating of 90 grams ice from –10 oC to 0 oC  2) fusion…

Q: Given the following decomposition reaction 2H2O2 (l)---> 2H2O(l) + O2 (g) ΔH = –196.1 kJ A. How…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: In the following experiment, solid CaCl2 (M = 110.98 g/mol) is dissolved in water: CaCl2(s) →…

A: Answer:Law of conservation of energy states that energy cannot be created nor destroyed, it can only…

Q: A 1.61 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb calorimeter. The…

A:

Q: A 4.117-g impure sample of glucose (C6 H12 O6 ) was burned in a constant-volume calorimeter having a…

A: Given: Mass of impure sample of glucose = 4.117g Heat capacity = 19.65 kJ/°C Rise in temperature =…