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Q: Help which one is right

A: 2 MOL IS THE CORRECT ANSWER 216 gm of water is produced so that 12 moles  of water is produced in th...

Q: The combustion of 1.048 g of benzene (C,H6) in a bomb calorimeter surrounded by 945 g of water raise...

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Q: Given that one cup 265.4 mlL, calculate the molarity of vitamin C in orange juice.

A: Molarity is a measure of the concentration of a chemical species, in particular of a solute in a sol...

Q: What starting material is required in order to synthesize each of the following compounds by ring cl...

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Q: How many moles of O2 would be required to generate 13.0 mol of NO2 in the reaction below assuming th...

A: The balanced reaction taking place is given as, => 2 NO (g) + O2 (g) -------> 2 NO2 (g)  Given...

Q: Which of the following is a strong acid? Select one: a. NH3 b. All of these c. NaOH d. CH3CO2H e....

A: NH3 base  NaOH is base  CH3COOH is weak acid HNO3 is Strong acid

Q: According to the balanced reaction below, calculate the moles of NHs that form when 4.2 mol of N:H. ...

A: Given :  Moles of N2H4 = 4.2  Since balanced equation is given then solve the following as per the g...

Q: Write dwn the answer her.

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Q: In the box below draw the tetrahedral representation of the R enantiomer of the amino acid valine, C...

A: Given  Amino acid = Alanine  Tetrahedral representation of R enantiomer of alanine = ?

Q: Part A This graph shows the concentration of the reactant A in the reaction A B. Determine the avera...

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Q: What is the name of the reactant in the following reaction? Br xs HBr ether Ph Br 3-phenyl-4-hexene ...

A: It is also stated that, When a protic acid (HX) is added to an asymmetric unsaturated hydrocarbon, t...

Q: QI/ A stream containing 10% CH4 and 90% air by volume is to be heated from 20 to 300 °C. calculate t...

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Q: During a titration, the pH of an analyte solution containing HA(aq) is 5.56 and the ratio of [A ]/[H...

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Q: 12

A: Among the mentioned diagram Solution C best denotes the condition of NaF Solution  There will be Na+...

Q: Please explain in the answer.

A: Dear student I have given answer to your question in the image format. 

Q: The molecule below reacts with the primary amine Ena-NH, and undergoes a retro-aldol type reaction W...

A: Given reaction:  

Q: Naturally occurring iodine is iodine-127. Medically, radioactive isotopes of iodine-125 and iodine-1...

A: Isotope is iodine and it's symbols is " I "  1)  53I127  2) 53I125  3) 53I120 

Q: K of a weak acid HX is 2.16 x 106. During a titration, an analyte solution containing a mixture of [...

A: Given Ka=2.16 X 10-6 [X-]/[HX]=1.034 pH of solution will be determined as:  

Q: PROCEDURES (PART A) Prepare the following test solutions Approximately 0.5 M KOH by diluting 20 mL ...

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...

Q: 9- Prepare 0.2 M of NaCl solution in 200 ml distill water

A: Molar concentration (molarity) M = n/V , where n is the number of moles of SOLUTE, and V is the volu...

Q: The latent heat of fusion and vaporization of water is 333.6 J/g and 2256.7 J/g respectively at the ...

A: (1) q= (333.6 J/g)(18.015 g) = 6010 J     (2) w= – = –PΔV= –Pm(1/ρ2– 1/ρ1) =–(1 atm)(18.0 g)(1.000 ...

Q: From the standardization data, calculate the molarity of the sodium hydroxide solution for each tria...

A: The moles of a substance can be determined by dividing the mass of that substance by its molar mass....

Q: 4- The speed of a certain proton is 4.5x10 m/s. If the uncertainty in its momentum is to be reduce t...

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Q: calculate the ionic attractive energy between K and O ions per mol of the material.

A: When metals and nonmetals form compounds, the metal atoms donate electrons to the nonmetal atoms. Th...

Q: Which of the following can behave as Bronsted-Lowry bases in aqueous solution? Oso, OH;S04 O NHA OH,...

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Q: Chemistry Question

A: Given : Number of Hg atoms = 2.08 X 1016 atoms  

Q: It is found that 24.68 mL of 0.1165 M NaOH is needed to titrate 0.2931 g of an unknown acid to the p...

A: Given Amount of titrant (unknown acid) = 0.2931 g Volume of titrant (NaOH) = 24.68 mL Concentration ...

Q: Copper (II) hydroxide is amphoteric. What would have happened to your bluish-white precipitate in st...

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Q: A gas mixture contains 50% CO2,40% H20, 5% CO and 5% 02. Find a. concentration of CO in parts per mi...

A: % composition of mixture is given 50% CO2 , 40% H2O , 5% O2 , 5%CO Concentration of CO in ppm = ? % ...

Q: Please answer very soon will give rating surely All questions answers needed

A: Note: Since you have posted a question with multiple subparts, we will solve the first two subparts ...

Q: Please circle the perferred isomer for the Witting reaction

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Q: How many moles of hydrogen gas are produced from 2.35mol of water?                 2K(s) + 2H2O(l)  ...

A: 1) The balanced reaction taking place is given as, => 2 K (s) + 2 H2O (l) --------> 2 KOH (aq)...

Q: Using any reagent/reactant you wish and the following  reactants, propose synthesis for the  target ...

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Q: Classity these compounds as acid, base, salt, or other. Drag the appropriate items to their respecti...

A: To classify the below compounds as acid, base, salt, or other. HCOOHCH3CH3NaOHHNO3NaBrNH3CO2KCl

Q: S. H* v the protecting group reactant. ect Draw Rings More

A: When we used the retrosynthsis means reverse to synthesis then we can easily identify the reactant a...

Q: 1. Define entropy. How do you calculate standard entropy change for a reaction?

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Q: The help which one is the right statement

A: From the graph, we can see that Initial Moles of X = 1.35 moles Initial moles of Y = 2.35 moles Fina...

Q: Which of the following are considerations that should be taken when choosing solvents for recrystall...

A: Correct answers are : 1. The desired compound should be significantly more soluble in one solvent th...

Q: Boric acid has a pK a value of 9.14. What is the value of K b for it's conjugate base?   a. 4.86...

A: The relation between Ka and Kb is  Ka × Kb = Kw = 1×10-14 where Kw is the ionic product of water.

Q: 2. A sample of molecular nitrogen gas, N2, occupies 3.0 L at a pressure of 3.0 atm. What volume will...

A: The volume of the sample is = 3.0 L The initial pressure of the sample is = 3.0 atm The final pressu...

Q: Calculate the molecular mass of the ethanol using the mass of the electrons, protons, and neutrons. ...

A: We know that no. of electrons in ethanol =26 No. of protons in ethanol = 26 No. of neutons= 20

Q: What is the pH of a 0.21 M solution of methylamine (CH3NH2, Kb = 4.4 x 10–4) at 25 degrees C?

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Q: 4. Molecular hydrogen gas was collected over water in a eudiometer at 25.0°C when the atmospheric pr...

A: Given data,Pressure of eudiometer=752mmHgPressure of water vapor=23.756mmHgTemperature=25oC

Q: A student has the compound ethyl acetate and they would like to take an IR. First, they want to make...

A: IR of   C=0 strectch in ethyl acetate lies in 1750cm- range

Q: In an experiment, 0.40 M NOBr, 0.83 M NO and 0.995 M Br2 are placed in a 3.00 L reaction vessel at a...

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Q: please help. calculate the energy (J) found in one photon of visible light if the wavelength is 1573...

A: The energy of a photon of visible light can be calculated by using Planck's formula -  E = hv Here, ...

Q: Your lab assistant rushes over to you. Terrified he tells you that the ideal gas you were monitoring...

A: P1 = 50 atm P2 = 40 atm  V1 = 300 L V2 = 1000 L T1 = 270 K T2 = ?

Q: Answer Q(a(iv) & (vi. The answer should be typewritten with a computer keyboard

A: Answer:- This question is answered by using the simple concept of hydrides and their chemical behavi...

Q: Please draw a calibration curve from these numbers and get the epselon(molar absorptivity) and inter...

A: The concentration v/s absorbance data given is,  

Q: 17.55 Sodium bicarbonate undergoes thermal decomposition according to the reaction 2NaHCO,(s) Na,CO;...

A: By Le-chatelier's principle : (a) Equilibrium will be shifted towards right side or products side. A...