Q: 2.37 L solution containing 1.30 mol L-1 potassium hydroxide (KOH) has been left on your bench. How…
A: Given-> Volume of KOH = 2.37L Molarity of KOH = 1.30 mole/L
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Q: 9. 1.0 mol of gas occupies 22.4 L at STP. What is the volume at 30.0 °C and 670 mm Hg? A. 0.037L B.…
A: Given, Number of moles of gas = n = 1.0 mole Volume of gas at STP = V1 = 22.4 L Final temperature…
Q: Why nanotechnology research and development of application is important?
A: Nanotechnology research and development of application is very important now as well as in future.
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A: Activity series is the series in which metal placed above displaces the metal placed below or…
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Q: TITRATION PROBLEM-SOLVING: 74.5 ml of 2.61 M sodium hydroxide is added to 99.2 ml of acetic acid,…
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Q: To what structural effect would you attribute the preference of methyl bromide over t-bromyl bromide…
A: To what structural effect would you attribute the preference of methyl bromide over t-bromyl bromide…
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Q: Consider the combustion of 1.0 mol propane gas (C3H8) in excess oxygen in open atmosphere at 25 °C.…
A: Here we are required to find the Enthalpy change for the given reaction.
Q: The reaction Br2(g) + 12(g) ⇒ 2 IBr(g) has a Kp of 324 at 348 K. If the partial pressures of Br2 and…
A: Given, Br2(g) + I2(g) ⇌ 2IBr(g) Equilibrium constant (Kp) = 324 Temperature (T) = 348 K Initial…
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Q: 2. A standard propane tank can hold about 17.0 L of propane. The 17.0 L of propane reacts with 76.2…
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Q: Provide the major monobrominated product of the reactions below Br₂, hv i) Br₂, hv ii) In the…
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Q: Which of the following does not contribute to the stability of benzene? a. overlapping pi electrons…
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Q: Practice Exercise of precipitation titration: Calculate the titration curve for the titration of…
A: Initial mmoles of AgNO3 or Ag+(aq) taken for titration = C*V = 0.0500 molL * 50.0 mL = 2.50 mmol…
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Q: Ca(NO3)2 (aq) + 2 KIO3(aq) → Ca(IO3)2 (s) + 2 KNO3(aq) Calcium nitrate Potassium Iodate 1.00 0,200…
A: Given following balanced Chemical equation - Ca(NO3)2(aq) + 2KIO3(aq) ---> Ca(IO3)2(s) +…
Q: What type of mechanism is exhibited in the reaction? SN1, SN2, E2, E1?
A: In the given reaction, alkyl halide is primary and Nucleophile(KCN) is a strong nucleophile. Hence,…
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Q: H2C H CH3 Br
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Q: Two solutions (X and Y) have a pH of 12.0 and an initial volume of 10.0 mL. Both solutions are…
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Q: 0-C-OH O OH O C-OH О-С-ОН O C-OH NO2 H2C-CH3 Br ОН I 11 Ш IV V Rank the following acids by acid…
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Q: How many atoms are in 143 grams of aluminum (Al)?
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Q: Fluoridation is the process of adding fluorine compounds to the drinking water. Fluoridated water…
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Q: 1. A student carried out an experiment using an egg shell that contains Calcium Carbonate. A 0.500…
A: Answer: This question is based on acid-base titration where we have find out the number of moles of…
Q: Calculate the titration curve for the titration of 50.0 mL of 0.0500 M AgNO3 with 0.100 M NaCl 1) as…
A: Millimoles of Ag+=Volume of AgNO3×Molar concentration of AgNO3=50.0 mL×0.0500 M=2.500 mmol
Q: Compare the melting temperatures of capric acid and isocane. Isocane has a higher melting point…
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Q: 7. In the photochemical decomposition of acetaldehyde by light of wavelength 3100 angstrom, CO is…
A: Here we are required to find the rate of CO formation.
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Q: Please describe one regulatory mechanism involved in amino acid synthesis, with an example
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Q: 2.5 [1]What type(s) of intermolecular forces exist between the following pairs. [2] Draw the…
A: To answer the above question we should have idea about the different type of intermolecular forces.…
Q: O OH O C-OH 0 С-ОН Br NO₂ H2C-CH3 ОН I 11 III IV V Rank the following acids by acid strength, from…
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Q: How long would it take to deposit 50.0 mg Cu at the cathode of an electrolysis cell containing 6.0 M…
A: Weight of Cu = 50.0 mg = 50.0 × 10-3 gm = 0.050 gm (1gm = 1000 mg) Current (i) = 150 mA = 0.150 A…
Q: What mechanism is involved in the reaction below? CH3 CH3 H₂C- H₂C SN1 E2 E1 C. d. SN2 a. b. CI +KCN…
A: Answer : SN2
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Q: If all the molecules boiling point of a s NaCl OPCIS OCH4 OLICI CaCl₂
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Q: The nucleus of U-238 has a mass of 238.0003 amu. The mass of a proton is 1.0073 amu. The mass of a…
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Q: Determine how many grams of CO2 13.72 g carbon dioxide are produced by burning 5.45 g of C4H10.
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Q: An equilibrium mixture contains N2O4N2O4, (P=P= 0.30 atmatm ) and NO2NO2 (P=P= 1.0 atmatm ) at 350…
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Q: saved Question 3 Listen (#3: (#1: Intermolecular/Intramolecular) forces are the attractive forces…
A: The answer of the blanks are given below with explanation.
Q: CHALLENGE 7 A 30 g gas sample of CO₂ occupies 27 L and exerts a pressure of 5.6 atm. Additionally,…
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Q: 10 mM Na3PO4 and 100 mM NaCl is needed to make a phosphate buffer solution with a pH of 6.40.…
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Q: An experiment was done to observe which factors promote the corrosion of iron. Which of the…
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Q: D Question 13 Which of the following atoms is diamagnetic in its ground-state? Ca OC As Fe
A: The correct answer is given below
Q: The ketone produced in the process is: H diphenylketone benzaldehyde O benzeneketone benzoyl…
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Determine the name and draw the structure of the product formed from the reaction shown
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- explain the differences between NH4-N and TKN methods.This is a Biochemistry lab question. For the lab we are spectrophotometrically determining the pka of PNP based on different pHs. I have a sigmoid graph of the absborances of PNP at different pHs at 400 nm. I have pH on the x-axis and absorbance on the y-axis. How do a calculate the pka based off of this graph?Ctrl #2. the p to
- OLi Et H, Vs +. Me H. Br OLi CS Scanned with CamScanner 工Exp 6. IR Spectroscopy OH NaOCI ACOH, 45-50 °C CS Scanned with CamScannerplease help Part II Data Analytical Wavelength read from the spectra (nm): Absorbance at the analytical wavelength for the 5 mL/5 mL mix Absorbance at the analytical wavelength for the 4 mL/6 ml mix 628.5 0.875 0.704 3. Find the molar extinction coefficient from the 4 mL/6 mL mix. Pathlength: 1.00 cm Volume of Brilliant Blue: 4,00 ml Volume of DI water. 6.00 ml Absorbance at the analytical wavelength for the 4 mL/6 ml mix: 0,704 Concentration of Brilliant Blue in the 4 mL/6 ml mix (M): Molar extinction coefficient from the 4 ml/6 mL mix (M cm') 4. Average molar extinction coefficient for Brilliant Blue (M cm)
- D.Cottpl?)>Csyt Hz cqj PBrg (2) > Pq (5) + Brell) e.3) 3-Methylbutyramide 100 relative intensity .8888 relative abundance .88 CHINO 101 298 888 mass charge (m2) CaH₁N 60 4) n-Butylamine 100 60 CHOCHOCHS R98 8 mass charge (m/z) MW=101.15 MW-73.13Text Mode * Lasso Select Insert Space 2. The nmr spectra of cyclopentanone, ethyl ether and n-butyraldehyde are shown below: Identify which is which, and analyze the spectra to the best of your ability. Et-0-Et CH; CHCH2 C-H 60 o Tau ) A THS 8.0 4.0 O PPM ASSIGNMENTS Sweep offset Freg response Sweep time. Spec amp. wddo Leps 500sec TAS 8.0 7.0 6.0 5.0 4.0 3.0 OPPM 50 TAS OFPM 50 4.0 3.0 20 8.0 7.0 60 日sRs
- powercho01 Duolingo + FHHS 1st Day Goo.. Class WOIK aCarrer exploration Algebra 2 O Art O chem h.pdf Sign- 12 v Helvetica - Tt =三山BI ACID [H*] [OH*] pH РОН BASE NEUTRAL 1X 10-3 IX 10-6 9 12 NEUTRAL 9.5 4.7 2.0 X 10-3 5.0 X 10-11 4.350.200 M 0.00200 M Test Tube No. [FESCN2*1std (M) Absorbance Fe(NO3)3 (mL) KSCN (mL) 17.98 1.97 0.815 5 (Standard) Edit Edit Edit NG 1 InfoCa(QCI)2 + 2 CH3COOH E-> 2HOCI + (CH3COO)2Ca|