e % by volume

Q: Consider the reaction 2NOBR ) + 2NO (3) + Br2 (s) A container is initially filled with only NOBr at ...

A: Kp is the ratio of the equilibrium partial pressure of product over equilibrium partial pressure of ...

Q: What mass of salt (NaCl) should you add to 1.64 L of water in an ice-cream maker to make a solution ...

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Q: Using the provided table, determine the molar enthalpy (in kJ/mol) for the reaction 2 NH, (g) + 3 N,...

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Q: Write the IUPAC names of the following organic compounds if given the structure. Draw the organic co...

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Q: Which of the following statements is true for real gases? The volume occupied by the molecules can ...

A: The 1st and 4th option are correct that are :  The volume occupied by the molecules can cause an de...

Q: Select which of the following is not a feature of carrier gas used in gas chromatography? A. It must...

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Q: How many liters are needed to make a 3.5M solution of KBr if 9 mole of KBr are available for use?

A: Molarity is defined as number of moles of solute divide by volume of solution

Q: A closed vessel of volume 2.1 L contains a mixture of neon and fluorine gas. The total pressure of t...

A: Given,  Volume of the closed vessel = 2.1 L  Total pressure = 3.8 atm at 0°C  The mixture is heated ...

Q: Problem 9. Provide a detailed, reasonable, arrow-pushing mechanism for the reaction below. H2SO4 018...

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Q: For the reaction 2 A+ 4 B → 2 C + 4 D, what is the absolute magnitude of the rate of change for [B] ...

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Q: Use the dropdown menus in the sentence below to indicate if Ha and Hb within the structure are homot...

A: Concept:  Homotopic hydrogen: In any molecule two hydrogens called as homotopic if replacing either ...

Q: 1. Expand So as to show all of the bonda am d al the unshared electrom pairs - the following Condens...

A: Since you have asked multiparts questions, we will solve the first three sub parts questions for you...

Q: The standard electrode potentials for the reduction of N2 to N2H4 and of O2 to H2O at 298 K are –1.1...

A: (i)    Cell Reactions             Anode: N2H4 + 4OH- →  N2  + 4H2O + 4e-                            ...

Q: For the following reaction K, = 10 at 300K: %3D H2g) + I25) →2HIG) You place 1 atm of H2, 1 atm HI i...

A: If reaction quotient ( Q ) is less than equilibrium constant ( K ) then, reaction will move backward...

Q: ow many L of water (H2O) are produced if  120.0 moles of oxygen (O2 ) is used?

A: Given : Moles of O2 = 120.00

Q: Given the balanced equation: 2H2(g) + O2(g) --> 2H2O(l) How many grams of H2O are formed if 9.00 mol...

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Q: Surfactants X (HLB = 10.0) and Y (HLB = 5.5) are %3D mixed together to emulsify a mixture of 30 % pa...

A: HLB (Hydrophilic-Lipophilic Balance) of surfactant X = 10.0 HLB of surfactant Y = 5.5 HLB of paraffi...

Q: Which of the following resonance structures is the more major contributor, the one on the left or th...

A: We have to tell among the given two structures which one is the major contributor.

Q: Elemental analysis of phytoene, an intermediate in the biosynthesis of carotenoids, shows that it co...

A: Depression in freezing point (dTf) of a solution is a colligative property that is calculated as per...

Q: A solution contains a mixture of pentane and hexane at room temperature. The solution has a vapor pr...

A: Given :-  vapor pressure of solution = 248 torr  vapor pressure of pure hexane = 151 torr  vapor pre...

Q: How many grams of CH liquid must decompose according to the following chemical equation to transfer ...

A: The given thermochemical equation is: C6H6(l)   ---> 3C2H2(g) ; ∆H = 630 kJ  Given the required a...

Q: Liquid octane (CH3(CH2)6CH3) will react with gaseous oxygen (O2) to produce gaseous carbon dioxide (...

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Q: Propose a synthesis for the following compound from benzene. OCH3

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Q: For a 1.0 x 10-6 M solution of HNO, (aq) at 25 °C, arrange the species by their relative molar amoun...

A: Nitric acid is a strong acid and it dissociates completely into the aqueous solution: HNO3aq + H2Ol ...

Q: Select to Draw OsO4 (catalytic) NMO OH OH

A: Write reactant of the given product---

Q: 2. Would you predict more Zn or Al to dissolve in Cu? Justify your answer. Atomic Crystal Structure ...

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Q: Select which of the following is not a feature of carrier gas used in gas chromatography? A. It must...

A: Gas Chromatography is a technique used for separating vaporised compounds without their decompositio...

Q: Using the provided table, determine the molar enthalpy (in kJ/mol) for the reaction 2 K(s) + 2 H,O(I...

A: Given : We have to calculate the molar enthalpy of the reaction.

Q: What is the stretching frequency (in cm) of the following carbonyl? 1760 1685 none of the above 1775

A: Generally we observed the IR peak for carbonyl at 1710 cm-1 to 1740 cm-1 .

Q: Part A Given the following reaction at 298 K: 2 H2S(g) + SO2(9) → S8 (s) + 2 H20(g) Calculate A,G un...

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Q: Ammonia has been studied as an alternative "clean" fuel for internal combustion engines, since its r...

A: Molarity = Number of moles of compound / Volume of solution (L)   

Q: Given below are two elementary steps for a reaction mechanism. Choose the correct form of the Kc for...

A: Add the two elementary steps for reaction mechanism to find the net reaction and then write the expr...

Q: [N] H2 initial rate of reaction 0.171M 1.80M 18.0M/s 0.171M 0.343 M 0.654 M/s 0.425 M 1.80M 111. M/s...

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Q: Question 9 What is the most appropriate time to use a safety shower? 1) You spilled 400 milliliters ...

A: The most appropriate time to use a safety shower is when you spilled 400 millilitres of concentrated...

Q: hich of the following statements is true for real gases? Pick those that apply. The volume occupied...

A: Given : We have to tell the true statement regarding real gas.

Q: What are the signs for q and w if a system absorbs 180 J of heat energy while expanding against cons...

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a the...

Q: Consider the following exothermic reaction: C,H, (g) + C, (9) = C,H,Cl, (g) Part A If you were a che...

A: The chemical reaction :  C2H4(g) + Cl2(g) ----> C2H4Cl2(g)  Consider the exothermic reaction. To ...

Q: Indicate the contrast statements of the following chromatographic techniques of separation. A. A sep...

A: Two multiple choice questions based on analytical separations that is to be accomplished.

Q: A 23.6 g sample of CaSO, is found to contain 6.95 g of Ca and 11.1 g of O. Find the mass of sulfur i...

A: To find mass of sulfur, first find out mass of S in 23.6g sample. Then use the relation to calculate...

Q: CHe 1. NaH, THE 2.MeBr

A: Given : We have to draw the product for the given reaction.

Q: The force that holds the two atoms together is the attraction of the two nuclei attraction of an ato...

A: Choice 4th is correct.

Q: Which would be the stronger Bronsted acid, the molecule on the left or the molecule on the right? NH...

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Q: Draw the Reactant Br2 (1 equiv) hv Br

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Q: Water sample analysis is conducted using AAS, the result shows that the absorption of sodium (Na) io...

A: A question based analytical process that is to be accomplished.

Q: Select the IUPAC name for the following structure: CH3 CH-CH, CH,CH, CH,-CH-CH-CH,-CH-CH, CH,-C-CH, ...

A: The compound given is,  

Q: Find the r

A: Ptotal = P (CH3CHO) + P (CH4) + P(CO) Also, P(CH4) = P (CO) So, Ptotal = P (CH3CHO) + 2 P (CH4) Now...

Q: What is the vapor pressure of a solution comprised of 32.3g NH4NO3 in 3.5L of water with a density o...

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Q: Where does the 40% and 60% product come from? How to determine this?

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Q: Need help labeling this IR spectrum chart for  Methyl m-nitrobenzoate! Please identify of any possi...

A: The structure of the following is:  

Q: a) What is the {H*} activity if the pH measured in the lab with a pH meter is 12 (in DecExp)? (5 sec...

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