Calculate the change in internal energy (AE) for a system that is giving off 55.0 kJ of heat and is performing 855 J of work on the surroundings. -6.00 x 102 kJ 54.1 kJ O8.00 x 102 kJ O-55.9 kJ O-54.1 kJ

Q: An iron–sulfur protein in Complex III donates an electron to cytochrome c1. The reduction…

A: FeS (ox) + e– → FeS (red)       Ɛ°' = 0.280 V cyt c1 (Fe3+) + e– → cyt c1 (Fe2+)   Ɛ°' = 0.215V

Q: If C (s, graphite) + O2(g)-> CO₂ (8) AH°rxn = -394 kJ and C (s, diamond) + O₂(g)--> CO₂ (g) AH…

A: The thermochemical equations can be treated as algebraic equation which can be added,  subtracted,…

Q: Pentanoic acid’s water solubility is 3.7 grams per 100 ml of water. Hexanoic acid’s water solubility…

A: The solubility of a compound in water depends on several factors, including the strength and type of…

Q: Suppose you are overtaken by a blizzard while ski touring and you take refuge in a tent. You are…

A: Given,  Mass of snow= 400.g Initial temperature = -5.0 °C Final temperature of water = 37 °C The…

Q: A student dissolves 11.1 g of sodium hydroxide (NaOH)in 200. g of water in a well-insulated open…

A: Since the temperature of the water increases after the reaction, hence heat is evolved in the…

Q: For the equilibrium 3NO₂(g) K₂=1.0 x 10-11 N₂O5(g) + NO(g) If a 4.00 L container initially holds…

A: Given, Kc =1.0×10-11 volume = 4 L initial mole of NO2 = 0.25 mol

Q: Draw two different routes to each of the following ethers using a Williamson ether synthesis.…

A: The question is based on the concept of organic synthesis.  we need to synthesize the product using…

Q: Write a balanced equation for the reaction by which hydrogen peroxide turns into water as it…

A:

Q: 3) Consider reactions A and B at a particular temperature: Reaction A: NiO(s) + H2(g) Ni(s) + H₂O(g)…

A: Since, Equilibrium constant or Kp is the ratio of the equilibrium partial pressure of product over…

Q: Label each of the following as polar (P) or non-polar (NP)-just write the letters P or NP below each…

A:

Q: A 16.59 gram sample of chromium is heated in the presence of excess fluorine. A metal fluoride is…

A:

Q: What quantity in moles of HCl need to be added to 200.0 mL of a 0.200 M solution of NaF to make a…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base . it…

Q: An analytical chemist is titrating 152.2 mL of a 0.2200M solution of propionic acid (HC₂H₂CO₂) with…

A: The balanced equation for the reaction is HC2H5CO2 (aq) + KOH (aq) -----> KC2H5CO2 (aq) + H2O (l)

Q: Synthesis 2 Make the following products using the Wittig Reaction. a. b. C.

A: Witting reaction : It is the reaction between a Carbonyl compounds and phosphorus ylide to give…

Q: The dissolving of Borax (sodium tetraborate) occurs via the reaction below Na2B407 10H₂O(s) 2…

A: The question is based on the concept of solubility product principle.  It that states that when a…

Q: The production capacity for acrylonitrile (C3H3N) in the United States is over 2 billion pounds per…

A: A limiting reagent is the species that is used up first in the chemical reaction. It decides the…

Q: A solution consists of 35.00 g of Cuso, dissolved in 250.0 mL of water. The molar mass of Cu is…

A: Molarity (M) is defined as the number of moles of solute per liter of solution. molarity = moles of…

Q: At 25 °C, the equilibrium partial pressures for the reaction 2A(g)+B(g) ----C(g)+2D(g) were found to…

A: Since, Equilibrium constant or Kp is the ratio of the equilibrium partial pressure of product over…

Q: Write the ground-state electron configuration for a neutral atom of each element: cobalt nickel 0 0…

A: Cobalt and Nickel  We have to write ground state electronic configuration.

Q: X Incorrett. Did you calculate the molarity before setting up your ICE table? Did you use the…

A:

Q: Why should distilled water be boiled and cooled before determining its pH? Explain in 2-3 sentences.

A: Distilled water should be boiled and cooled before determining its pH because dissolved carbon…

Q: Calculate the osmolarity of these solutions. Assume density of the solution is 1.00 g/mL.…

A: •Osmolarity = (Molarity × n)  •Here "n" = Number of ions •For MgCl2 :- n= 3    (Electrolyte ) •For…

Q: Describe the preparation if 500 mL of 0.0740 M CI2 solution from solid BaCI2 2H2O (244.3 g/mol).

A: To prepare 500 mL of 0.0740 M CI2 solution from solid BaCI2 2H2O, you would need to follow these…

Q: 0

A: Resonance is the different Lewis structure which are differ by only the position of electrons not…

Q: are those anti, syn or unknown?

A: The reagent added across double bond is Br2.

Q: 9) Within a balloon, there are three types of gasses. You have 12.7 grams of gas #1 (N₂ gas), 9.7…

A:

Q: Write the electron configurations for the following ions using spectroscopic (spdf) and orbital box…

A:

Q: A student runs two experiments with a constant-volume "bomb" calorimeter containing 1100. g of water…

A:

Q: Consider the titration of 40.0 mL of 0.18 M H3A (Kal = 1.9 × 10-4, Ka₂ = 1.2 × 10-8, Kaz KOH. a.…

A: A 40.0 mL of 0.18 M weak triprotic acid H3A is titrated with 0.18 M KOH.  The acid the dissociation…

Q: Suppose you measure out 0.0132 moles of ammonium sulfate on the balance. If the weigh boat…

A:

Q: d. 111111 CO₂K 1. 12, CH3CN, -15 °C 2. BnOK, THF, -20 °C D

A:

Q: If 52.0 g of AgNO₃ react with 28.6 g of H₂SO₄ according to this UNBALANCED equation below, how many…

A:

Q: fter 41.0 min, 18.0% of a compound has decomposed. What is the half-life of this reaction assuming…

A:

Q: What is AG for a reaction where AG° = 4.5 kJ/mol and Q = 1.4 at 295 K? (R = 8.314 J/mol K)

A:

Q: Answer choices for question 2: a. rate=k[alkane] b. rate=k[H+] c.rate=k[alkane][H+]…

A:

Q: 6.2 The standard enthalpy of formation of NH3 (g) at 298 K is equal to -462.11 kJ mol'. Using the…

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

Q: Determine the major product for the following reaction. OH ÕH H₂SO4, H₂O ? ∞ ∞ C.

A: A diol is getting converted to ketone

Q: 3. Calculate the volume of 5.9 x 1023 molecules of propane gas trapped in a container at a pressure…

A: Given,  Molecules of propane gas = 5.9 x 1023  Temperature = 269 °F Pressure = 253.3 kPa

Q: You have 75.0 mL of 0.14 M HA, a weak acid. After adding 38.0 mL of 0.10 M NaOH, the pH is 5.50.…

A:

Q: Identify reagents that can be used to achieve the following transformation: The transformation above…

A: Sodium acetylide react with alkyl halide to produce monosubstituted acetylene Lindlar catalyst…

Q: Suppose we titrate 20.0 mL of 0.100 M HCHO₂ (K₂ = 1.8 x 10-4) with 0.100 M NaOH. Calculate the pH.…

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: How many grams of Fe(CH₂COO)2 are there in 201 grams of an aqueous solution that is 11.5% (w/w)…

A: For the Fe(CH3COO)2  [Iron(II) acetate]  solution  Mass of solution = 201 g  Mass % of Fe(CH3COO)2…

Q: Write the balanced NET ionic equation for the reaction when aqueous CS3PO4 and aqueous AgNO3 are…

A: Since, Balanced reaction means that both side number of atom present in equal number. Thus,  For…

Q: ive detailed Solution with explanation needed please explain

A: Benzene undergoes electrophilic substitution reactions. Benzene is the source of nucleophile and it…

Q: 1) Identify the situations below: a) 200.0 mL of 0.10 M HClO2 is added to 100.0 Moles of Acid Strong…

A:

Q: Consider the formaldehyde molecule (CH₂O) in figure. The partial charges are indicated in red (e is…

A: In the given problem we are required to calculate the electric dipole moment vector μ in terms of…

Q: The reduced form of the coenzyme nicotinamide adenine dinucleotide is abbreviated NADH. In the…

A: The reduced form of the coenzyme nicotinamide adenine dinucleotide is abbreviated NADH. In the…

Q: Calculate the concentration of lycopene in your orange fraction using using Beer's law equation…

A:

Q: Which of the following can behave as Bronsted-Lowry bases in aqueous solution? (select all that…

A: Bronsted-Lowry base is any species that is capable of accepting a proton

Q: Which one of the following pairs of acids and conjugate bases is incorrectly labeled or incorrectly…

A: A conjugate base is simply the substance that contains one less H atom and one more negative charge…