`NH H*

Q: Which of the following equations correctly represents the decomposition reaction that occurs when si...

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Q: the wavelength of light that has a frequency of 7.89 x 10^14 sec^-1?

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Q: Write the structure of the following compounds 5-methyloctane-2,6-diol 2-methylpropane-1,2,3-triol ...

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Q: One of the most important enzymes in the world nitrogenase, the plant protein that catalyzes nitroge...

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Q: 11.66 Based on solubility properties alone, state whether each of the following compounds can penetr...

A: The compunds which can cross the blood brain barrier and how solubility affect it ,this explaination...

Q: 17 Coal can be converted to methane, a chief component of natural gas. The reaction has AH° = -74.85...

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Q: Define the terms solute and solvent. A screwdriver is a solution composed of vodka and orange juie. ...

A: Define the terms solute and solvent.  A solution is composed of two types of parts, one is solute an...

Q: What would be the names of the complexes below with the correct oxidation state and roman numerals? ...

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Q: Which of the following is a measure of the fractional change in volume when the pressure is increase...

A: Please find your solution below : Volume usually decreases when pressure is increased. This is calle...

Q: 1Η NMR singlet, зн multiplet, multiplet, 1H 1H 4 PPM 13C NMR 160 140 120 100 80 PPM 60 20 40 -6

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Q: Melting lead requires 5.25 cal/g. Calculate how many kilojoules are required to melt 1 lb of lead.

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Q: Draw dot-and-cross diagrams to show the formation of a co- ordinate bond between the following: 4 a ...

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Q: How many significant digits in 219900?

A: * The non-zero number is ALWAYS significant  245 has 3 significant figures  * Any zero between non-z...

Q: abe mo

A: According to the question, we need to determine the enthalpy of reaction using bond energies (KJ/mol...

Q: For the reaction below, Kc = 1.10 × 10⁻⁸. What is the equilibrium concentration of OH⁻ if the reacti...

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Q: Which is the molar refraction of benzonitrile?

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Q: n-propyl chloride с. d. pentene 2-pentene е.

A: We have to write for the preparation of n-pentane from the following given compounds as follows in s...

Q: e final temperature of th

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Q: Identify the carbon atom that is migrating, and draw a curved arrow that shows the migration. Includ...

A: Interpretation -  To identify the carbon atom that is migrating and we have to also draw the curved ...

Q: 4) Are the following processes exothermic or endothemic? a) When solid KBr is dissolved in water, th...

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Q: For the following reactions, type in each box whether it is "precipitation", "acid-base", or "redox"...

A: In a redox reaction, both reduction and oxidation reactions occur together. 

Q: 1.51 g Na2CO3 is dissolved in H20 and titrated with HCI. 23.0 mL of a HCI solution were required to ...

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Q: What are the work and change in internal energy when 3 mole of a gas is compressed isothermally and ...

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Q: 7. The partial pressure of CH4(g) is 0.175 atm and that of O2(g) is 0.250 atm in a mixture of the tw...

A: "Since you have posted  question of multiple subparts. So we will solve first three subparts. To get...

Q: H2(g) in 0.20 bar Salt bridge (aq) H*(aq) Pt Ag wire coated with Agl(s) Nal (0.10 M) HCI (0.10 M) Wr...

A: a) 

Q: Vhat is the optical rotation based on the result below: (no need to put unit) 40 30 20 10 50

A: Optical rotation is called polarization rotation. Rotation of orientation of plane polarized light. ...

Q: 4 BF3 + 3 H20 → H3BO3 + 3 HBF4 If 105.2 g of BF3 is mixed with 28.2 g H2O, how many grams of HBF4 wi...

A: 1- First calculate the moles of each reactants :  a) moles of BF3 = ( mass / molar mass)  moles of B...

Q: 2. Suppose in lab you heat salicylic acid, C-HsOs, with acetic anhydride, CAH&O3, to produce aspirin...

A: C7H6O3 + C4H6O3 .....> C9H8O4 + C2H4O2 Mass of salicylic acid (C7H6O3) = 2.00g Molar mass of sali...

Q: For the following reaction, what is being reduced? What is being oxidized? What is the oxidizing age...

A: We wi find oxidation number for each of the element in the compounds and then answer the questions o...

Q: How many significant digits in 0.01850 – 103?

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Q: A student performed the experiment described in this module, using 6.00 mL of a 3% H2O2 solution wit...

A: (10). Volume of oxygen (O2) collected by student = 65.40 ml = 0.0654 litre Temperature, T= 22oC = 29...

Q: Here is the chemical structure of 2-bromobutane: HHH H || | | H–C-C-c–C-H H :Br: H H Decide whether ...

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Q: Write a balanced chemical equation based on the following description: liquid C₇H₈O is burned with o...

A: When C7H8O is burned with oxygen gas to produce carbon dioxide gas and water vapor, this reaction is...

Q: Report the isoelectric point of the peptide, Gly-Asp-Lys-Ile?

A: Solution -

Q: It is acceptable to draw the TLC spotting line with a pen as long as it is marked very lightly. Tru...

A: False

Q: Click the "draw structure" button to launch the drawing utility. Convert the given Newman projection...

A: In the conversion from the Newman projection to the line structure , we have to see the atom or grou...

Q: A 0.576 g sample of liquid C5H12 was combusted using excess oxygen gas inside a bomb calorimeter, wi...

A: Given, mass of the sample is 0.576 g of liquid C5H12  Heat capacity of calorimeter is 4.957 Kj/°c  t...

Q: value of Ka

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Q: What would be the equilibrium temperature if you drop 5.0 g of brass (Cp = 0.38 J/g-°C, initially at...

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Q: Write a balanced chemical equation based on the following description: butane gas and oxygen gas rea...

A: We have to write a balanced chemical equation based on the following description: butane gas and oxy...

Q: Which of the following is a measure of the fractional change in volume when the pressure is increase...

A: In an isothermal process, the temperature is constant.

Q: QUESTION 11 Which state variable(s) is/are constant in Charles' law? Pressure Volume O Moles O Tempe...

A: Charles law states that volume of a gas is directly proportional to the temperature of the gas at th...

Q: reaction

A: According to the question, we need to determine the enthalpy of reaction using bond energies (KJ/mol...

Q: The standard enthalpy of formation of gaseous H20 at 298 K is -241.82 kJ/mol. V heat capacities at c...

A:   Given reaction is                  H2 (g)  + 1/2 O2 (g)   -->  H2O (g)    molar heat capacity c...

Q: give examples of the following: 1. Drugs in the market which are either salt crystals or co-crystal...

A: 1. Sildenafil has been successfully co-crystallized with acetylsalicylic acid (1:1 molar ratio) by s...

Q: + 2NaOH > Cu(OH)2

A: Reaction

Q: R; = 0.70 R = 0.55 R; = 0.47 -+ ------ Eluent: ELOAC `OH OH 1 2 3 5. Which compound corresponds to R...

A: Option number C means compound 1 has higher rf value 0.70 because like dissolve like. Ethyl acetate ...

Q: Suppose we have 158.4 grams of Ferric Chloride.  How many moles of this substance do we have on hand...

A: Given data is as follows: The mass of Ferric Chloride = 158.4 grams The moles of a substance can be ...