(3a-101-27) Would you agree to buy 1.23 x 102 gold atoms for $27? Explain why or why not, showing all work. The current price of gold is 63.18 dollars/gram.

Q: 3A(g) + 2B(9) = C(g) Ke = 80.4 L4 mol 4 at a temperature of 355 °C. Calculate the value of Kn.

A: Given, kc = 80.4 L4 mol-4 Temperature = 355°C = 273+355 = 628K  ∆n= 1-5= -4

Q: III. Heat of Fusion. 5. Complete the table below. a. Mass of empty calorimeter 3.41 g b. Mass…

A:

Q: 4. The explosive nitroglycerin decomposes rapidly according to the reaction 4 C3H5N3O9 (1) → 12…

A:

Q: A chemist measures the enthalpy change AH during the following reaction: 8 SO,(g) + 16 H,S(g)→3…

A:

Q: using the delta H reaction equation and standard enthalpies of formation, calculate the enthalpy…

A:

Q: What energy in kilojoules per mole are associated with this frequency (4.37 x 10^14 Hz)?  A. 2.91 x…

A: Energy is related to the frequency by the relation E=hν where E=Energy of the wave or particle…

Q: (a) When chlorine atoms react with atmospheric ozone,what are the products of the reaction? (b)…

A: a.

Q: Decide how the sketches below would be listed, if they were listed in order of decreasing potential…

A: The potential energy of a system of charges can be given as : P.E=k×q1q2rHere k is the electrostatic…

Q: d) Give a comparison of heat capacity of silver, germanium and silicon as a function of temperature.

A: The heat capacity is a measure of the amount of heat necessary to raise the temperature of an object…

Q: 5.81 The convention of arbitrarily assigning a zero enthalpyvalue for the most stable form of each…

A: The reason why given convention could not be applied to nuclear reactions has to be explained.

Q: When a corpse decomposes, much of the phosphorus in the body is converted to phosphine, PH3, a…

A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…

Q: 1.0 mol/L SHCI, (ng) Identify the following components on the above diagram Direction of cation flow…

A: As per the rules, only the first three sub-parts can be answered.

Q: 6.75

A: Enthalpy of formation for a reaction can be determined by the equation given below:

Q: Consider an electron and a proton that are separated by 230 pm. What is the electrostatic potential…

A: Given data:  Distance d = 230 pm Formula used: Eelectrostatic=KQ1Q2d

Q: oses of this energy to or from er absorbing heat. gy, in the form of e. The total e heat and work:…

A: Given ΔH = -75 kJ Pressure  = 43 atm Change in volume = 5L to 2L

Q: (ii) The industrial process for producing sulphuric acid, H2SO4, from elemental sulphur has three…

A: Sulfuric acid is prepared in three steps starting from elemental sulfur. The process is called the…

Q: If Kc=0.485 at 40.°C and Kc=0.620 at 90.°C, what is ΔH° for the reaction?

A: Van’t Hoff equation relates the change in the equilibrium constant, K to change in the temperature…

Q: Calculate the change in energy required in making 71.0 mL of water from its elements under standard…

A: Since, you have asked multiple question, we will solve the first question for you. If you want any…

Q: How much work is done at 25 °C during the combustion of 2.03 g of ethanol, C2H5OH?

A:

Q: Look up the Born-Haber Cycle and read about it (book or internet). Use the following information and…

A: Given-> Na(s) ---> Na(g).      ∆H° = 109 kJ Cl2(g) ---> 2Cl(g).    ∆H° = 243 KJ Na(s)…

Q: How does the ground temperature in sunlight with CO2 compare with ground temperature in sunlight…

A: Given : To explain effect of CO2 on temperature of earth.

Q: Balance the following reaction by filling in the blank with a single product. Treat subscripts and…

A: The reaction depicting number of atoms which are engaged in reactant side is completely identical…

Q: Calculate the energy in joules of a 6.08 g object moving at a speed of 307 m/s.  Ek =   J

A: Energy of the moving object can be determined using the given equation,

Q: What is the lowest allowed energy for a F8* atom? -5.45 x 1017J O -1.07 x 1016 J -2.18 x 1018 O…

A: Given that, Lowest energy for F8+ ?

Q: Find the heat energy evolved is slaking 1.0 Kg of quicklime [ CaO] according to the reaction given…

A: Formula for heat energy: Q = mC∆T where m= mass , C= specific heat capacity ,∆T = (final temperature…

Q: 10.105 Complete and balance each of the following: (10.7) a. ZNCO3(s) + H,SO,(aq) b. Al(s) + HBr(aq)

A: Active metal react with acid give hydrogen gas

Q: MCQ 22: To increase the temperature of 1 g of water by 1 °C, it requires energy equal to A. 4.18) B.…

A: The energy required to raise the temperature of 1g of water to 1 degree is

Q: Please Si, Ne, Cl, and K in order of increasing electron affinity as an Exothermic process

A: Electron affinity is the minimum change in energy of a gaseous neutral atom when an extra electron…

Q: 2H,S (0) + 30, 2 H,0 0 + 2 S02 (9) 2(g) AH = -1123.94 kJ/mol If 362.94 kJ of heat released,…

A:

Q: The ionization energy for potassium is 419 kJ/mol. The electron affinity for bromine is -325 kJ/mol.…

A:

Q: Using the enthalpy of reaction for two reactions with ozone, determine the enthalpy of reaction for…

A: Hess's law states that if a reaction takes places by more than one step, the total enthalpy change…

Q: What is the energy that is produced from the frequency of 9.47 x 10° Hz? 0.317 J 1.43 x 1042 J 6.28…

A: Given, the frequency of radiation ν =9.47×108 Hzwe are asked to calculate the energy corresponding…

Q: Soog x 10369 14539 = 0.5kg 1. Calculate the kinetic energy (in J) of a bird weighing 500 g flying at…

A: Given -> Weight= 500 gm = 0.500 kg (1kg=1000gm) Velocity= 60.0 m/s

Q: Decide how the sketches below would be listed, if they were listed in order of decreasing potential…

A: The potential energy of a system of charges can be given as : P.E=kq1q2rHere k is the electrostatic…

Q: Determine AS° for 2 03(g) → 3 O₂(g). Substance S° (J/mol.K) 03 (9) 239 205 O2 (g)

A: Given: So(O3g)=239 J/mol·KSo(O2g)=205 J/mol·K

Q: For the states and processes shown below. Calculate W, in Joules: 1 3 P= P3=200Ka V3:1m3

A: The PV curve given is,

Q: What is the energy change when the temperature of 11.3 grams of gaseous krypton is decreased from…

A: Energy change frommT1to T2  Q=mc∆T Energy is -714.22j-g-°c

Q: The convention of arbitrarily assigning a zero enthalpy value for the most stable form of each…

A: The reason why given convention could not be applied to nuclear reactions has to be explained.

Q: Using the following equations, N,04(g) 2NO,(g) AH° =+57.93 kJ 2NO(g) + O,(g)– 2NO,(g) AH° = -113.14…

A:

Q: Suppose you burned 0.300 g of C(s) in an excess of O (8) in a constant-volume calorimeter to give…

A: Mass of carbon = 0.3g Molar mass of carbon = 12.01g/mol Mass of water = 767g Ti = 26.15°C Tf =…

Q: Without doing any calculations or using Sf data, predict whether the DS for each process would be…

A: A. Si(s) + 2Cl2(g) = SiCl4(g) ΔS is negative here.  As no of gaseous molecules decrease in forward…

Q: How much energy is evolved during the reaction of 26.3 g of Al, according to the reaction below?…

A: The enthalpy of reaction is negative if the energy is released in the reaction.

Q: Arrange the following elements in order of decreasing innovation energy In, F, Si, N, Ga

A: Note: It will be ionization energy and not innovation energy. To determine: Arrangement of element…

Q: Calculate the standard enthalpy of formation of NH3(9)

A:

Q: 8. What is the symbol for energy/heat flow in the field of thermochemistry? O Hf E H

A: It is the enthalpy that denotes heat in thermochemistry.

Q: Determine AS° for 2 Os(g)→3 O:(g). Substance S (J/mol·K) O3 (g) 239 O2 (g) 205

A:

Q: Describe in details the twelve-basic principle of Green Chemistry.

A: The term ''Green Chemistry'' is a well-known term to us in recent days. Green chemistry is an…

Q: rences) Suppose you burned 0.300 g of C(s) in an excess of O,(R) in a constant-volume calorimeter to…

A:

Q: What is the electrostatic potential energy between an electron and a proton that are separated by 62…

A: The electrostatic potential energy between an electron and a proton is calculated as,