Perform the conversions between energy units. 588 kJ = J 3425 kcal = kJ 8.97 x 106 J = kcal FEB 23

Q: A solution is made by dissolving 18.4 g HCI (MM=36 g/mol) in 662 mL of water. The pH of the solution...

A: HCl is strong acid

Q: 58. The structural formula given below is for HO O aspirin vanilla O glycerine

A: Structural formula represent the arrangement of atoms in a compound.Many organic compounds has pharm...

Q: Based on the results obtained in the following table, which indicator has approximately a pka of 4?

A: The indicators are chemical compounds that show changes in color at a definite change in pH. Hence, ...

Q: Question 3 Calculate the [H*] when the pOH of the solution is equal to 1.24. O [H*) = 1.74X10-12 O [...

A:

Q: [H+

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Q: Draw the E isomer for the following molecule

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Q: Lab 5. Counting Molecules 1. Fill in the table C12H22011 NH,CI Mass (g) 1.0015 1.0238 Molar Mass (g/...

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Q: The lonic compound FeCla is soluble in water. Calculate the osmotic pressure (in atm) generated when...

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Q: 64. This process of separation is called O recrystallization process O sublimation process O extract...

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Q: Synthesize a triglyceride with the fatty acids described below bonded to a glycerol molecule. We wae...

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Q: What are the IUPAC names of the following?

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Q: Find the pH of (OH-] = 0.0025. O pH = 11.2 O pH = 11.4 O pH = 11.0 O pH = 2.60

A: We know that,  POH is negative logarithm of OH- concentration.

Q: 1. Complete each nuclear reaction: a. 2Am + He 241 a. 255Am + 2n + b. 226Ra He + 88 91 C. 56Ba + Kr ...

A: Since you have posted question with multiple subparts as per guidelines we can not answer more than ...

Q: How many moles of citric acid is needed react with 0.74 moles of baking soda

A:

Q: If you were to compare the composition of the air you inhale and the air you exhale, what difference...

A: The process where we inhale and exhale the air is called respiration. There is some compositional ch...

Q: 2. Which compound (C12H22011 or NH,CI )contains the most total number of atoms?

A:

Q: Which of the following models illustrates Acids as Proton donors and Bases as Proton accepto O None ...

A: Given : We have to tell which among the following represents acid as proton donor and base as proton...

Q: Calculate the molarity of the solution.   4.46 mol C2H5OH in 56.1 mL of solution. Express your answe...

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Q: What is the oxidation number of manganese in the permanganate ion, MnO4-?

A: Given: The ion is MnO4-.  

Q: NH3 Molecule ЕPG Hyb (circle if 2D Lewis Structure 3D Lewis Structure MG polar) BA

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Q: nuclear equation

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Q: How much heat, in kilojoules, is released when 12.4  g   H2(g)  reacts with plenty of  O2(g)  to for...

A:   Given thermochemical equation is  2 H2 (g)  + O2 (g)   -->  2 H2O (g)                          ...

Q: The specific heat of a certain type of cooking oil is 1.75 J/ (g.°C). How much heat energy is needed...

A: We have to predict the energy needed.  

Q: A solution is prepared by dissolving 3.38grams of acetone C3H6O in water to produce 1.27 Liters of s...

A: Here we have to determine the molarity of solution if 3.38 g of acetone is dissolved in water having...

Q: What are some differences between physical and chemical properties or changes?

A: We have to describe the difference between the physical and chemical properties or say physical and ...

Q: Starting with the rate constant from your graphs and the NaOH concentrations, show haw you determine...

A: For a zeroth-order reaction, a plot of the concentration of any reactant versus time is a straight l...

Q: A solution is prepared by dissolving 44.3 grams of Aspirin( C9H8O4)  in water to produce 2.13 g/ml  ...

A: Mass of aspirin (C9H8O4) = 44.3 grams  Density of solution = 2.13 g/ml  Number of moles of solute = ...

Q: What is the pyranose/furanose ring structure of this sugar? OH Он OH OH он OH OH но O HOCH2 0. OH OH...

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Q: 2. Balance the REDOX reaction below in acidic solution. I H202(aq) + cl02(aq) clOz(ag) + 02c0)

A:

Q: What is the average rate of the reaction between 0 and 10 s? What is the average rate of the reacti...

A: The solution is as follows:  

Q: What is the freezing point (in degrees Celcius) of 4.71 kg of water if it contains 211.4 g of CaBr2 ...

A:

Q: Check my work 10 attempts left Be sure to answer all parts. Santalbic acid, a fatty acid isolated fr...

A: Sigma bonds are formed by head on overlap of two orbitals . With development of ionic character in c...

Q: Determine the cell potential of the following system: a) Pb/PbSO4//Pb2+/Pb

A:

Q: Carbon NMR Homework Determine the structure of cach of the following isomers of the formula CH&Brz. ...

A: The structure are as follows:  

Q: Using C1V1=C2V2

A: The table given is,  

Q: Explain the two elementary steps, coordination and heterolysis. Provide an acid/base reaction that i...

A:

Q: Question 9 Which of the following models illustrates Acids produce H30* ions in aqueous solutions an...

A: Here we have to  determine which thoery states that acids produce H3O+ ion and base produce OH^- .  

Q: 49. The resistance to the addition reactions involved in unsaturation tests indicate the extra stabi...

A: Bromine test tells about the presence of unsaturated bonds which can be double bonds or triple bonds...

Q: What is the name of the carbonyl compound that has served as common starting material for synthesis ...

A: We have to find out the carbonyl which can form all the compound by reacting with different reagents...

Q: The system releases 1705 kJ of heat into its surroundings. A work of 3780 kJ is done by the system o...

A: Given: System released heat = 1705 KJ. And work is done by the system on the surrounding = 3780 KJ. ...

Q: How did other Greek philosophers like Plato and Aristotle think about the elements?

A:

Q: Draw the structure of melezitose (either in Haworth or in conformer): α-D-glucopyranosyl-(1→3)-β-D-f...

A: The required Haworth conformation structure of melezitose (α-D-glucopyranosyl-(1→3)-β-D-fructofurano...

Q: What is the approximate pH of a solution X that gives the following responses with the indicators sh...

A: The indicators with responses of solution X is given as,  

Q: Find the molar mass of a protein from a measured = 3.52 torr for a 22.8 mg sample in 1.5 mL water...

A: One atm is equal to 760 torr

Q: Calculate the fluid intake in milliliters (mL) for the following meal. (Assume a glass holds 8 oz.) ...

A: Given , 1 Glass holds 8 oz of liquid.

Q: if you add acid or base to a buffer, how will the pH change?

A: Buffer solution : Buffer solution is aqueous solution  of mixture of weak acid and its conjugate bas...

Q: Steam reforming of methane ( CH, ) produces "synthesis gas," a mixture of carbon monoxide gas and hy...

A: KC is equilibrium constant

Q: When measured at 22°C, a particular reaction has a rate constant of 5.8x10 /s and an activation ener...

A:

Q: Draw the two chair forms for the following: Circle the preferred conformer. Give the IUPAC name for ...

A: If there are two substitutents on the cyclohexane and in cis state, then the conformation which have...

Q: How many molecules are in 119.78g of C4H10?

A: Given weight = 119.78 gram