Name Laboratory Section Show your work, include units, and report the correct number of significant figures for all calculations. 1. How many moles of vapor are there in a sample that completely fills a 125-mL flask at 85.5°C and 763 torr? (continued on next page) 77

Q: Using the figure below, calculate the minimum mass of potassium nitrate required to form a saturated…

A: First we need to find the solubility of potassium nitrate at 20°C.  Using they solubility and given…

Q: A website promoting the use of alternative energy vehicles and hybrid technologies claims that "A…

A: We need to find the pounds of CO2 produced when gasoline combustion. We can calculate mass of octane…

Q: Refer to the figure below. (Hint: This isotope is a neutral atom.) What isotope is represented?…

A: We're given atomic structure of an atom.  In an atom, protons and neutrons are found in the nucleus…

Q: 31. pu a. [OH] = 105 M [OH] = 10-¹2 M. b. I 91 D4 5 cronis 3. Calculate the value of [H3O+] from the…

A: At 25°C -> [H3O+] [ OH-] = 1 × 10-14

Q: 1) MCPBA 2) H/ CH₂CH₂OH Br./CH,SH H₂C 1) 03 2) Na₂SO -CH3 1) RCO,H 2) NaOCH3

A: We have to give the major products of the given reactions. Introduction: Bromination reaction,…

Q: Calculate the cell potential (V) for the following reaction: Pb2+ (aq) + Mg(s) → Pb(s) + Mg2+ (aq)…

A: First we will write half cell equations ie oxidation and reduction half cell equation along with…

Q: Which of the following compounds is the most acidic? O tom ОН O H2O олон ОН O

A: Given compounds are :  a. Tertiary alcohol  b. Water  c. Ethanol  d. Cyclohexanol  Acids are those…

Q: A mole of perfect monoatomic gas is expanded adiabatically and reversibly from 1 bar and 300K to 0.1…

A: For an ideal gas which expands adibatically ,  dq = 0, dU = dW dU = nR(T1 - T2)/(γ -1) For…

Q: Compare and contrast the structures of the following groups: a. Primary, secondary, tertiary…

A: Organic compounds are those in which organic reactant react to form organic products. In the given…

Q: Each row of the table below describes an aqueous solution at about 25°C . Complete the table. That…

A: The formula used for [H3O+] and pH is :  pH = - log [H3O+]  [H3O+] = 10- pH  1) For solution A;…

Q: Which of the following compounds is the most acidic? О НО O ОН ОН ОН

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Q: The molar solubility of Iron(II) hydroxide in a water solution is Submit Answer Retry Entire Group 9…

A: To calculate the molar solubility,  first we need Ksp of Fe(OH)2 The Ksp of Fe(OH)2 = 1.8×10-15 M…

Q: Chemical Kinetics A sample of radioactive Na1281 is injected into a patient as part of radio iodine…

A: This question belongs to nuclear chemistry. This is a first order reaction and we have the half life…

Q: Provide the correct systematic name for the compound shown here. O || H3C-C-O-CH3

A: General IUPAC or Systematic Name for ester is alkyl alkanoate. Alkyl is the group attached to oxygen…

Q: Complete and balance the following neutralization reaction: NaOH(aq)  +  HC2H3O2(aq) --> What are…

A: The unbalanced chemical equation given is  NaOH(aq) + HC2H3O2(aq) →

Q: OH Ketone + Grignard reagent b. Different ketone and different Grignard reagent.

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Q: Each row of the table below describes an aqueous solution at about 25°C . Complete the table. That…

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Q: Calculate the wavelength in nm of 5.14 x 10¹4 s-1 light. Do not report units in your answer. Report…

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Q: The solubility of Cr(OH)3 is measured and found to be 1.27x10-6 g/L. Use this information to…

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Q: A 0.8970 g sample of a mixture of NaCl and KC1 is dissolved in water, and the solution is then…

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Q: Label the functional groups and identify the correct

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

Q: 25.0 mL of 1.00 M HCl at 23.5oC react with 25.0 mL 1.00 M NaOH in a styrofoam calorimeter whose…

A: According to the question we have, The volume of the HCl is given by = 25.0 ml = 0.025 L The…

Q: The solubility of manganese (II) hydroxide (Mn(OH)2) is 2.2 x 10-5 M. What is the Ksp of Mn(OH)2?

A: Given :  Solubility (s) of Mn(OH)2 = 2.2 x 10-5

Q: The solubility of Ag2S is measured and found to be 7.43x10-15 g/L. Use this information to calculate…

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Q: What are used to represent valence electrons in a A arrows B dots C lines D numbers

A: Lewis structure is a type of diagram which show valence electrons

Q: 3- Select the single best answer. The compound PO is a Brønsted acid. O a Brønsted base. Oboth a…

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Q: Find the volume of HCl gas at STP required to prepare 3.30 L of a 0.129 m HCl solution (assume water…

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Q: ow many valence electrons are there in group 2 elements? A 1 B 2 C 4 D 8

A: Group 2  element are also known as alkaline earth metal.beryllium ,magnesium ,calcium,…

Q: A buffer solution is made that is 0.328 M in CH3COOH and 0.328 M In CH3COO™. (1) If K₂ for CH3COOH…

A: Given that, a buffer solution contains 0.328 M of CH3COOH and 0.328 M of CH3COO-. We have to…

Q: Calculate the volume of a 1.420 M NaOH solution required to titrate 43.15 mL of a 1.500 M H₂PO4…

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Q: Strength of response A BC 2.0 4.0 D 6.0 E F חד 8.0 10.0 12.0 14.0 16.0 Time (min) Figure 3. An…

A: Gas chromatography is a method of analysis, separation, and detection of chemical components of a…

Q: Calculate the number of moles of sodium hydroxide in a solution that contains 16 g NaOH in 320 mL…

A: Mole is equal to weight of substance divide by it's molar mass.                               Molar…

Q: Chloride ion concentration in the fluid surrounding human cells is approximately 25mM (millimolar).…

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Q: A 2.50 L solution contains 5.00 g of NaOH, which has a molecular weight of 40.00 What is the molar…

A: Molarity is defined as number of mole of solute divide by volume of solution in liter

Q: What is the mass percent of ethanol (C2H5OH) if 495 moles of ethanol is added to 3 kg of water?

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Q: A a 50.00-mL sample of bleach solution contains 0.226 M HCIO and 0.615 M NaCIO. The Ka of…

A: We would use Henderson Hasselbalch equation to calculate the pH.

Q: Draw the dipeptide KQ (condensed structure),

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Q: Draw the major product of this reaction. Ignore inorganic byproducts. CI O

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Q: Consider the following reaction where K = 1.20x10-² at 500 K: PCI5 (9) =PC13(9) + Cl₂(9) A reaction…

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Q: Select the correct K expression for the following reaction. CO₂ (g) + H₂ (g)CO(g) + H₂O (1)

A: Equilibrium constant (K) is the ratio of the equilibrium concentrations of product over equilibrium…

Q: what about this?

A: We have to tell whether the given compound is Methyl-4,4-dimethyl-3-oxopentanoate. Introduction: NMR…

Q: 4. Name: 5. Name: C=C-H CH₂CH3 H₂SO4 GPS Sm HgSO4 + H-OH H₂SO4 + H-OH- Class: Class: enol carbonyl…

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Q: rate of reaction between mercuric chloride and potassium oxalate can be followed by measuring the…

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Q: How many moles of water does a bottle of 799 ml Hydrogen peroxide solution of 20.00% (v/v) contain?…

A: Given:  Volume of hydrogen peroxide solution= 799 ml  v/v % of solution= 20.00%  Density of water=…

Q: What is the molarity of a solution that was prepared by dissolving 16 g of sodium hydroxide in 320…

A: Molarity is defined as number of mole of solute divide by volume of solution in liter.     Mole is…

Q: A solution contains only these ions: mercury (I), lead (II), copper (II), bismuth (III), nickel…

A: Given Ions: Hg(I), Pb(II), Cu(II), Bi(III), Ni(II), Zn(II), Ba(II), Ca(II) To Prepare: A flow chart…

Q: ΔΗ° = ? QUESTION 9 Using Hess's Law and the equations (1)-(3) below calculate AH at 25°C for coal…

A: Dear student since you have posted multiple questions we will solve only first question for you if…

Q: A tank contains a mixture of helium, neon, and argon gases. If the total pressure in the tank is 490…

A: Total pressure of tank = 490 mmHg Partial pressure of Helium = 215 mmHg  Partial pressure of argon =…

Q: EXP                        [NO]-1/m                        [H2] .1M               initial rate/ ms-1…

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Q: A student needs to prepare a buffer made from CH3COOH and CH3COOK with pH 5.016. If K₂ for CH3COOH…

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