The work involved in moving exactly 1 mole of electrons through a potential difference of exactly 96500 V is... A) 1J B) 96.5 kJ C) 1 kJ D) 96.5 J E) 6.02 kJ

Q: Determine the Sign of #H?

A: Answer Sign of H for a reaction

Q: Calculate the work (in J) associated with the expansion of a gas from 44ml to 63 ml at a constant…

A: Initial volume of gas= Vi = 44 ml = 44 * 10-3L Final volume of gas = Vf = 63 ml = 63 * 10-3L…

Q: Discuss the factors affecting the sign of ∆G in the relationship ∆G= ∆H - T∆S. Give examples for…

A: Sign of ∆G in the relationship ∆G= ∆H - T∆S; depends on values and sign of T (temperature), ∆H…

Q: Calculate the specific heat capasity of copper, given that 205.65J of energy raises the tempature of…

A:

Q: 21. Calculate AS for the following changes. (a) SnCl4(1) SnCl4(g) (b) CS2(g) → CS2(1) (c) Cu(s)→…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: A magnesium ion with a charge of 3.2*10-19 C and an oxide ion with a charge of -3.2*10-19 C, are…

A: A magnesium ion with a charge of 3.2×10-19 C and an oxide ion with a charge of -3.2×10-19 C, are…

Q: Compressing a sample of ideal gas irreversibly requires 1.8 kJ of work to be done on the sample of…

A: a) By convention, when work is done on the gas (system) by the surroundings, the work is positive.

Q: 3.6

A: The work done in a process is expressed as:

Q: 59. Which of the following which is/are true about the internal energy, E? (i) E = q + w E = q - w…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: An experiment involving inorganic syntheses of molecular precursors to organometallic ceramics…

A: The solution is shown below.

Q: A frazzled theoretical physicist reckons that all conservation laws are obeyed in the decay of a…

A:

Q: A magnesium ion, Mg2+, with a charge of 3.2 * 10-19 C and anoxide ion, O2-, with a charge of -3.2 *…

A: A magnesium ion with a charge of 3.2×10-19 C and an oxide ion with a charge of -3.2×10-19 C, are…

Q: 2-The work done by a constant force F=-Si +4j (N) acting on a particle that undergoes a displacement…

A: Answer c) 7 J

Q: The change of Helmholtz energy of a process at standard conditions is -2,862 kJ per mole. What can…

A: physical significance of HELMHOTLZ ENERGY

Q: Explain the difference between a STATE function and NON-STATE function. Give an example of each and…

A:

Q: I Review | Constants | Periodic Table ppose that you were to solve this problem by the following…

A: The main equation is – 4x + 8 = 60

Q: Which of the following would be a system that has work done on it by the surrounding? a. CH, (g) CO,…

A: When ∆H is negative value, then it is an exothermic reaction.When ∆H is positive value, then it is…

Q: 280 mmol of an ideal gas occupy 12.7 L at 310 K. Calculate the work done when gas expands a)…

A: a. Number of moles of ideal gas = 280 mmol Conversion factor 1 mol = 103 mmol1103mol = 1 mmol1 mmol…

Q: Calculate the molar heat capacity of C,H14•

A: Given :-  Heat absorbed (q) = 1697 J  Mass of hexane (m) = 39.9 g  Change in temperature (∆T) = 18.8…

Q: the following is a statement of the First Law of thermodynamics Select one: O a 1 cal = 4.184 J…

A: First law of thermodynamics is a form of law of conservation of energy.

Q: A sodium ion, Na+, with a charge of 1.6 * 10-19 C and a chlorideion, Cl - , with charge of -1.6 *…

A: Given: Charge of sodium ion = 1.6×10-19 C Charge of Chloride ion=-1.6×10-19 C Distance=0.50nm…

Q: 12. Which scenario is Hess' law not used for?

A: to calculate the amount of heat lost by a sample of metal in a calorimeter.

Q: Which of the following statement is correct? Select all the correct statements, wrong choices will…

A: Thermodynamics :  it is the branch of science where the relationship between heat , energy , work…

Q: 5. b) Predict and briefly explain the sign of AS for each of the following processes. (Don't write…

A: 5. b)   Entropy is  a degree of disorderness.   i )    ΔS = - ve        No.of moles of gas on…

Q: Use Hess' Law to caiculate the enthaipy chan known thermochemical data: I1,0(8) - CH4(g) + H20(g)→…

A:

Q: 280 mmol of an ideal gas occupy 12.7 L at 310 K. Calculate the work done when gas expands a)…

A: Given  n = 0.280 mol  V1 = 12.7 L  ∆V = 3.3 L  T = 310 K  R = 8.314 J K-1mol-1 External pressure =…

Q: A,H° = 86 kJ mol-1 , A,S = - 140 JK-1 mol-1 ,T = 299 K %3D Express your answer as an integer.

A:

Q: 1. Predict the sign for AS° and then calculate AS° and AH° from the data in appendix. CO(g) + 2H2(g)…

A: The balanced chemical eqution: CO (g) + 2 H2 (g) ⇔CH3OH (l)

Q: A sodium ion, Na+, with a charge of 1.6x10-19 C and a chlorideion, Cl - , with charge of -1.6 x…

A: The work required to increase the separation of the two ions can be calculated by the formula:

Q: C. What is the molar heat capacity of tin?

A: Heat(Q) = moles(n) • molar heat capacity(s) • change in temperature(∆T)    Determine the moles of…

Q: Determine the AS° for the reaction: H2SO4(L) 156.9 H2OL) SO3(2) 256.2 S° 69.9

A: The standard entropy change ∆S∘ for the reaction can be calculated from the following equation:…

Q: Briefly describe the contributions of Walter Nernst, T.W. Richards, Max Planck and G. N. Lewis in…

A: SOLUTION: Step 1: Walther Nernst (1864 – 1941) made a significant breakthrough with his statement of…

Q: Day to day and real-life instances are given below. Identify which  of the following is/are…

A: First law of thermodynamics It States that energy cannot be destroyed only can be converted from one…

Q: kJ. The value of AE for a system that performs 139 kJ of work on its surroundings and gains 54 kJ of…

A: according to first law of thermodynamics      ∆E = q+ W

Q: Calculate the change in energy if q= .761kJ and w= -840J

A: Step 1) The change in the energy is given by amount of work of heat in and out of the surroundings.…

Q: :Example of a state function is .A 5 I to ED AU .B ΔΗ AS .D All

A: The solution of the given question is

Q: The 1st law of thermodynamic is called .A The creation of energy .B The conservation of energy…

A: Thermodynamics can be defined as branch of chemistry that deals with the transfer of energy from one…

Q: A 139-lb student races up stairs with a vertical height of 5.5 m in 5.5 s to get to a class on the…

A:

Q: Consider the following reactions and predict the AS°: I. C6H6(s) – C6H6(1) II. 2 SO2(8) + O2(8) → 2…

A: We have to predict the change of standard entropy for given reactions.

Q: 1) Discuss the factors affecting the sign of ∆G in the relationship ∆G= ∆H - T∆S. Give examples for…

A: Free energy :-       It is the maximum available energy of a system to do useful work. It always…

Q: Give 3 application of first law of thermodynamics and each application give Explaination the…

A: The first law of thermodynamics is also known as the law of conservation of energy because according…

Q: What is work done by a ball having a mass of 5.4 kg and is lifted to a distance of 1.6 m. [g =…

A: Given, Mass of the ball = 5.4 kg Distance = 1.6m g = 9.8m/s2

Q: For the following reaction at 25°C, AH° = +115 kJ and AS° = +125 JK. Calculate AG° for the reaction…

A: Given :-  SBr4(g) → S(g) + 2Br2(l)  ∆H° = +115 kJ  ∆S° = +125 J/K   T = 25°C   To be calculated :-…

Q: A sodium ion, with a charge of 1.6*10-19 C and a chloride ion with a charge of -1.6*10-19 C , are…

A: