Air in an inflated balloon (system) is warmed and absorbs 833. J of heat. The surroundings also compress it, doing  38.0 J of work. What is the change in internal energy for the system?

Q: What is the molecular shape/geometry of SBr₂? linear see-saw bent trigonal planar

A: Molecular geometry is the three-dimensional arrangement of the atoms that constitute a molecule. It…

Q: A student wishes to determine the chloride ion concentration in a water sample at 25 °C using a…

A: The half-cell reactions are given by -                               AgCl s  +  e-  →  Ag s  +…

Q: What is the concentration of OH- in an aqueous solution with [H3O+] = 1.0 x 10-11 M?     1.0 x…

A: Given [H3O+] = 1.0 x 10-11 M?

Q: What is the mass of solute in each of the following solutions? Express your answer with the…

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Q: Consider the half-reaction Ag+ (aq) + e¯ →→→ Ag(s) The diagram shows the reduction potential versus…

A: Reduction potential measures the tendency to accept electron. More the value of reduction potential…

Q: 1. Identify the reagent (and its concentration) that is used to confirm the presence of each of the…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Given the half-cells: 2+ Ni/Ni²+ and Feo /Fe²+ a) Chose the anode and cathode. b) Calculate Eº and…

A: According to the bartleby guidelines for the multipart questions I can solve only first three…

Q: Just what does it mean to use the very first compound notation?

A: In chemistry, chemical notations are important for writing the chemical equations and formulas.

Q: 0.700 moles of an unknown solid is placed into water to make 150.0 mL of solution. The solution's…

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Q: For each of the following complexes, determine the (a) oxidation state of the metal, (b) the…

A: The given questions is

Q: Give the systematic name of this coordination compound. [Pt(en), JCI systematic name: platinum(IV)…

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Q: In 1870 Ludwig Boltzmann gave us this equation: What is the meaning of these terms? Select all that…

A: Boltzmann gave a equation to calculate the entropy which is given as follows:  S = klnW  where, S =…

Q: A 300 ml 1.6 M solution of an acid (HA), has a pH of 2.1 at 25°C. What is the Ka for this acid?…

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Q: What will be the final volume (in L) of a solution if 8.2 g of soluble salt were added to create a…

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Q: Question 1 ( S b Which material has the greatest solubility in hexane (C6H14) at the same…

A: Given : molecules  Tip: like dissolve like.

Q: What is the concentration of CO at equilibrium if the Kc = 2.6 x 10-2 and the [CO2] = 0.085 M?…

A: Active mass of solid components is equal to one

Q: 11. What is the molar mass of toluene if 0.85 g of toluene depresses the freezing point of 100 g of…

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

Q: B. Predict the major organic products of the following reactions of 1-methylcyclohexanol: CH3 OH NaH…

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Q: which of the following activation would afford 1 and 2 respectively? HỌ 1. activation H₂CO WH…

A: PBr3/Py produces inversion of stereochemistry in the bromination of alcohol.  TsCl/Py makes the Oh…

Q: Draw the major product of this reaction. Ignore inorganic byproducts. 1. NaOEt, room temperature 2.…

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Q: Aromatic compounds CH3C=CCH3 benzene CH3 CHCH3 Other compounds 1-ethyl-4-methylcyclohexane Reset…

A: Given : structure of compounds and name of compounds

Q: Given the balanced reaction: CS2(g)+3Cl2(g) → CCl4(1)+S₂Cl₂(g) and the following AGf values: 1.…

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Q: Chromium can be plated from solution of CrCl3(aq) according to the following half reaction. How many…

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Q: Give the molecular geometry of the following molecule linear trigonal planar tetrahedral trigonal…

A: Given compound -: SeO42-  Selenium belongs to group 16 and has six valence electrons.  Oxygen is…

Q: Ammonium perchlorate (NH₂CIO) is the solid rocket fuel that was used by the U.S. Space Shuttle and…

A: Given :  Mass of ammonium perchlorate = 2.2 gm

Q: What mass of HCl is contained in 49.6 mL of an aqueous HCl solution that has a density of 1.19 g/mL…

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Q: Determine the lime and soda ash does, in mg/L as CaO and Na2CO3, to soften the Thames River to a…

A: Answer

Q: what is the major product of the following reaction? Br NaOCH strong base A 8. C. OCH₁ D. OCH₂ E. No…

A:

Q: From the data in following table, compute the theoretical density of CaF2, which has the fluorite…

A: Given: Ionic radius of Ca2+ = 0.100 nm Ionic radius of F- = 0.133 nm To calculate: Theoretical…

Q: Arrange the following compounds in order of: a) increasing boiling point, and b) increasing…

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Q: Consider the reaction: P4 (8) + 6 H₂ (g) → 4 PH3 (9) ▼ Part A If 91.1 L of H₂ (g), measured at STP,…

A: Balanced equation: P4 (g)  +  6H2  -----> 4PH3 (g) Number of mol of a gas at STP = (Volume of…

Q: Calculate the cell potential for this reaction, in the direction shown, at 298 K. A1³+ (0.0000550…

A: Solving only first question in accordance with the guidelines. We will solve for Ecell using nernst…

Q: In planning the synthesis of one compound from another, it's just as important to know what not to…

A: The concept used in this question is from organic chemistry.  To be very precise concept used is…

Q: Acetylene (C₂H₂) gas is often used in welding torches because of the very high heat produced when it…

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: Determine the formal charge for the atom indicated in the structures below. ASSUME that the…

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Q: Draw stereorepresentations for all stereoisomers of this compound. Label those that are meso…

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Q: In the table below, rank the molecules in order from least reduced (1) to most reduced (4). Molecule…

A: Reduction means gain of hydrogen whereas oxidation means loss of hydrogen.

Q: How many Joules are there in 54.0 kcal? (1 cal = 4.184 J)

A: One calories is equal to 4.184 joule.                1 kcal = 1000 cal.…

Q: Solve y 0.79= In (y)

A: Given : 0.79 = lnY  Tip : ln(M) = N then M = eN

Q: Consider the following equilibrium for which △H < 0 2SO2 (g) + O2 (g) 2SO3 (g) How will each of the…

A: Equilibrium is a state of reaction at which rate of forward and backward reaction become equal.We…

Q: Which of the following transition metals would be expected to have the smallest atomic radius? A)…

A: Yttrium(Y), Zirconium(Zr), Niobium(Nb), Technetium(Tc), and Ruthenium(Ru) are all d-block elements…

Q: C H₂ CH4 AG; ( 0 0 -50.5 mol AH; (d) mol 0 0 -74.85 • (A) Using the data given above, calculate AH°…

A: Given Reaction :-  C + 2H2 -----&gt; CH4

Q: Draw an a amino acid with an isopropyl (-CH(CH3)2) side chain.

A: we have to draw structure of an alpha amino acid with isopropyl side chain

Q: H-Ï-H :C₁: - - :I: 1 Ï- A -Ï: .. 1. 90°, 180° 2. 90°, 120°, 180° 3. 180° 4. 120° 5. 109.5° 6. <120°…

A: Bond angle is determined based on hybridization and then the shape which it prefer in a particular…

Q: 9. Calculate the activation energy, in kJ/mol, for the redox reaction: Sn2+ + 2CO³+→→Sn^+ + 2Co²+.…

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Q: Organic chem: What's the formula of the compound C H write the number like C5H10

A: Given structure is the bond line structure and each point represents a carbon while each line…

Q: Consider the reaction 2SO₂(g) + O₂(g) 2SO3(g) Using the standard thermodynamic data in the tables…

A: Given that, a reaction is 2SO2(g) + O2(g) → 2SO3(g). Also, given that, the pressure of the each gas…

Q: A ball has a kinetic energy of 5.90 kJ. If the ball has a mass of 120.0 g, how fast is the ball…

A: Given --&gt;  kinetic energy (K.E) =  5.90 kJ  mass of the ball(m) = 120 g  velocity of the ball (v)…

Q: An electrochemical cell consists of a standard hydrogen electrode and a copper metal electrode. Cu²+…

A: Given : reduction of Cu+2  Tip : apply nernst equation

Q: Question 7 Consider the reaction: 24 (g) + 3B (g) → C(s) + 3D (g); T = 25°C; AG = 60.0 What is AG…

A: Given :  Temperature = 37 °C = 273 + 37 = 310 K  ∆G° = 60 KJ/mol PA = 1250 torr  PB = 900 torr  PD =…