What is the change in internal energy of the system   (ΔU)  if   50 kJ   of heat energy is released  by the system and   40 kJ   of work is done by the system for a certain process?

Q: Where in a nuclear plant does nuclear fusion happen? (b) Reactor Steam 1 4 3 Generator Turbine…

A: Nuclear fusion is a reaction in which two or more atomic nuclei are combined to form one or more…

Q: A 2.00-L glass soda bottle filled only with air is tightly capped at 34°C and 744.0 mmHg. If the…

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Q: Question: Check the box under each structure in the table that is an enantiomer of the molecule…

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Q: 3. Answer all parts of the question. Compound A is thermally unstable, decomposing to release…

A: Phosphazenes are organophosphorus compounds (also known as P-N compounds) in which phosphorus atoms…

Q: 6. Calculated Nonstandard Cell Potentials Ag+(0.010 M)JAg(s) and Cu2+Cu(s) 1972 Ag+(0.0010 M)IAg(s)…

A: Given,  Find the non-standard cell potential = E = ?

Q: Referring to the chromatogram, answer the following questions. Show your calculations. 1. What is…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Consider the equilibrium reaction: C2H5OH + CH3COOH = CH3COOC2H5 + H2O. What effect will adding a…

A: A catalyst is a substance which increases the rate of a chemical reaction without itself getting…

Q: 21.75 Calculate Wimal/ Winitial for mixing 1 mole of benzene with 1 mole of toluene at 300 K and 1…

A: Solution -

Q: If 4.27g of sucrose, C12H22O11 are dissolved in 15.2 g of water, what will be the boiling point of…

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Q: Analyze the table below. According to the table, if a process is spontaneous and has a positive AS,…

A: Gibbs free energy change(∆G), entropy change(∆S), and enthalpy change(∆H) are related through the…

Q: Assign the configrrafon a os) to au chirat e motecute Ceस्ट% centers in the nd doaw a Howorth…

A: A question based on stereochemistry that is to be accomplished.

Q: Heat is the flow of energy from a Low temperature to high temperature. O b High temperature to low…

A: Kinetic energy of molecules can be defined as the energy due to motion 9f molecules present in a…

Q: Which of the following is/are TRUE regarding the addition of silver ion to albumin? Refer to the…

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Q: Refer to the reaction below. In step 2, what is the substance added to the product of step 1?…

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Q: 4.2 (b) Using the equation below, explain what happens to maintain the pH of the solution: H* (aq)…

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Q: Explain the reaction mechanism in the picture attached

A: A question based on ether that is to be accomplished.

Q: Select a product from the stock shelf and transfer the liquid to a test tube. 2. Select a paper pH…

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Q: What was the purpose of the concentrated sulfuric acid in the first step of synthesis of aspirin?

A: The purpose of the concentrated sulfuric acid in the first step of synthesis of aspirin is shown in…

Q: Electrolysis experiment A is run to completion with the following parameters: The positive erminal…

A: As per the guideline, since you have asked multiple questions, we have solved the first question for…

Q: 1. Addition of 12M hydrochloric acid leads to hydrolysis of peptide bonds.  True or False 2. It is…

A: Amino acids are chemical compounds that contain amino and carboxyl functional groups with a side…

Q: AS is equal to zero .A At absolute temperature .B In equilibrium systems .c In reversible process

A: Entropy can be defined as degree of disorder in a system.It determine how much randomness is present…

Q: What ratio of sodium oxalate (Na2C2O4) and sodium hydrogen oxalate (NaHC2O4) is required for a…

A: Conjugate base of  NaHC2O4 (aq) is Na2C2O4. Mixture of both make buffer solution.

Q: Food Preservatives Radical inhibitors found in food are known as preservatives. They preserve food…

A: ✓A preservative may be defined as any e substance that prevent or retard deterioration when added to…

Q: (e) When treated with base, the compound shown below cyclizes. Show the structure and relative…

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Q: If the ionization constant of acetic acid is 1.8x10-5, determine the various species in a 0.15 M…

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Q: How can you make a final dilution of 10-10 using 5 dilution tubes? Show and outline your entire step

A: Please find the below attachment.

Q: The vapor pressure of solvent X is 56 mmHg at 30°C. When 0.5 moles of solute Y (58 g/mol) is added…

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Q: A diprotic base (B) has pK, values of 3.33 (pK5i) and 6.66 (pK2). Which of the equalities is true…

A: Here we have to determine the predominant species of a diprotic base B at different pH. Given pKb1=…

Q: original bond energy of a dipole-dipole interaction is 20 kJ/mole. If the bonding partners change…

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Q: Draw the remaining product of the reaction. heat Hс — сн—С—сHz—ҫ—он ČH3

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Q: In case of Ideal Gas law, PV=nRT, at what tempertaure in Kelvin does 0.750 mol of gas occupy at 114…

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Q: Virte out a reaction (starting material, reagent, product) that lustrates Markovnikovs nude.

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Q: According to the building-up principle or aufbau principle, which subshell is typically filled next…

A: According to the building-up principle or aufbau principle, which subshell is typically filled next…

Q: 7. What are the possible sources of error in this experiment?

A: Incorrect concentration determination when concentration of Fe3+ is more than that of Fe2+. The…

Q: Explain how enzymes catalyze reactions.

A: Enzymes are biomolecules formed by proteins and they act as catalysts in biological reactions.…

Q: The AH value for the reaction 2Hg(1) + 02(g) heat (kJ) is released when 43.4 g Hg is reacted with…

A: The given thermochemical equation is 2 Hg(l) +O2(g) →2 HgO(s), ∆H = - 181. 6 KJ. The amount of…

Q: What is the pH of the following solutions? Identify each as acidic, basic, or neutral. a. 0.010 M…

A: If pH is greater than 7 it is basic.  If pH is less than 7 it is acidic

Q: A company provides chrome plating for several auto manufacturers. They calculate they need to plate…

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Q: Question 10 What does Sodium bicarbonate do in water softening? Use the editor to format your answer…

A: Sodium bicarbonate is used for water softening.

Q: What is the correct IUPAC name of an Ester below? .C. CH2 CH2 H3C. CH3 Methyl propanoate O Ethyl…

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Q: What is the pH of a buffer solution that is 0.40 M in formic acid (HCHO2) and 0.90 M in sodium…

A: Given: pKa of formic acid = 3.74 Concentration of formic acid = 0.40 M Concentration of sodium…

Q: Osmotic pressure is proportional to the following EXCEPT for O a. temperature O b. molar…

A: In this question, we will see that which property is not proportional to the osmotic pressure.  You…

Q: এ he oव्वेपष्ठ ठु बने मोकट कUाइंय प्जर त्रोठक ककर्व बांगलवेर श्रीमर काकंन प्यलैक लाटकेवकाउ लल त, H2…

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Q: 8. a) State the hybridization (sp°, sp², sp) of each carbon in this molecule, going left to right.…

A: Hybridisation of carbon atoms can be figure out from the number of bonds.

Q: What products are formed when trans-3-methyl-3-hexene reacts with hydrogen chloride?

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Q: 3.50 moles of an ideal gas is expanded from 450 K and an initial pressure of 5.00 bar to a final…

A: The answer is provided below-

Q: 6. Calculated Nonstandard Cell Potentials Ag+(0.010 M)JAg(s) and Cu2+|Cu(s) 1972 V. Ag+(0.0010…

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Q: 41. You have 100.0 mL of a 0.165 M aluminum sulfate solution. And 225.0 mL of a 0.125 M aluminum…

A: Given: Volume of first solution = 100.0 mL Concentration of first solution = 0.165 M Volume of…

Q: If the structure of H3 is linear, please determine MO diagram of it and bond order.

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Q: A particular metal is used in the manufacturing of steel, aircraft parts, and batteries. A solution…

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