What is the boiling point in C° of a solution of a 2.15 m aqueous solution of glycerol? (Kb = 0.512° C/m) Select one: a.

Q: CaSO;(4) + 2HI(aq) → Calą(aq) + SO; (9) + H;0(!) Dwrite corresponding net lonic equation. Caso,(0) +...

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Q: Q3. Which of the following compounds is most acidic and why? нн N.

A: Highly stable conjugated cyclic compounds that do not give addition reactions and follow the Huckel ...

Q: A sample of lead glass is prepared by melting together 20.0g silica , SiO2 and 80.0g of lead (II) ox...

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Q: 1. In each pair of aqueous systems, which will have the lower vapor pressure? A. pure water or 1.0 M...

A: Since you have posted multiple questions, we are entitled to answer the first only.  

Q: 2Al (s) + 3Cl2 (g) --> 2AlCl3 (s) (balanced) When 46 grams of aluminum react, the actual yield is 1...

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Q: The pH of an aqueous solution at 25°C was found to be 2.90. The pOH of this solution is 11.10 The hy...

A: Given :-  pH of solution at 25°C = 2.90  To calculate :-  pOH  [H3O+]  [OH-] 

Q: What is the mass, in grams, of 2.84 X 1023 atoms of lead? (This is a 2-step mole

A: Molar mass of Lead = 207 g/mol Number of atoms = 2.84×1023 atoms  Moles=Number of atoms/6.022×1023 =...

Q: QI. Provide all of the necessary reagents for the following reactions. Me CO,H (a)

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Q: HCl(aq) + Na2SO4(aq) If 17.23 g of NaCl are used, how many grams of H2SO4 are required for complete ...

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Q: The following experimental data was collected for a reaction between two new compounds, X and Z. Tri...

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Q: Rxn 3: H,0() H*(aq) + OH(aq) Rxn 6: M(OH),(s) M²°(aq) + 2 0H (aq) M= Zn Start with 0.1 M Zn(NO3)2 in...

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: A solution is prepared by diluting 75.00 mL of a physiological saline solution (0.920% NaCI by weigh...

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Q: What is the wavelength in nanometers of the first line in the Paschen serie A) 1876 nm B) 1282 nm C)...

A: The wavelength of absorption spectrum for the first Paschen line can be determined by using Rydberg ...

Q: 2. Data for the reaction: 2 NO(g) + O2(g) → 2 NO2(g) are given in the table below: Initial Rate (mol...

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Q: What NaCl concentration results when 219 mL of a 0.860 M NaCl solution is mixed with 442 mL of a 0.2...

A: First calculate the number of moles. Then Total Volume calculate. Final concentration of mixing of N...

Q: Suppose you need to prepare 1.00 L of 0.100 M HCI(aq), and all you have on hand is 0.250 M HCI(aq)....

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Q: The compound As2I4 is synthesized by reaction of arsenic metal with arsenic triiodide. If a solid cu...

A: We have to predict the mass of As2I4 that can be prepared and the mass that is actually isolated.  

Q: The ratio of an observed measurement of colligative property for a solute in a solution to the value...

A: The solute and their properties are discuss in the coligative properties , in which amoubt of solute...

Q: A reaction has the stoichiometry: 3A + BC+D. The following data were obtained for the initial rate o...

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Q: An error due to some peculiarity or bias of the observer (A Instrument Error (B) Personal Error C) E...

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Q: 2. What are the similarities and differences between structural (constitutional) isomers, geometric ...

A: Structural isomers are also called constitutional isomers.Geometric isomers are called as stereo iso...

Q: Calculate molarity if solution in water (300K) has osmotic pressure of 3.00 atm.

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Q: 2,2-dimethyl-1-propanol

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Q: H,SO, SO,H (fuming) . Provide a reasonable curved arrow mechanism for the following

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Q: Here is a graph of the pressure of lodine (1) in a reaction vessel during a certain chemical reactio...

A: The pressure v/s time curve of I2 is given as,  

Q: How many moles of C2H4 contains 2.75x1023 atoms of H?

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Q: Explain why yellow or yellow-red solutions have a peak absorbance of 540nm (in the green range on th...

A: In E M R there is mixture of colours.It is called ROY G BIV.So the color of the compound can be expl...

Q: Give a clear handwritten answer about DNA look the DNA sketch and describe how to stands are attache...

A: Given : We have to explain how DNA strands are attached with each other.

Q: Why is the least stable carbanion the bottom middle carbanion? Why wouldn't it be the left secondary...

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Q: Which substance is not a structural isomer of hexyne? O hex-2-yne O hex-3-yne O 3,3-dimethylpent-1-y...

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Q: The recommended limit for safe exposure to sulfur dioxide in the air is 0.000025%. What is this conc...

A: Given,  Mass percentage of sulfur dioxide in the air = 0.000025%  Then,  What is this concentration ...

Q: Given the reaction: NO2(g) NO(g) + O2(g) (H = +62 Kj), if the temperature is increased, the formati...

A: Given ;- NO2(g) <-----> NO(g) + O2(g)  H = +62 kJ  statement : if the temperature is increased...

Q: How many atoms of Cu are in 0.763 mol Cu?

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Q: Construct a multistep synthetic route from ethylbenzene to (2-bromoethyl)benzene by dragging the app...

A: Here, we have to construct a multistep synthetic route from ethylbenzene to (2-bromoethyl)benzene. N...

Q: Consider the following reactions: Reaction 1: HC1O, + KOH → KC1O, + H;O Reaction 2: HC;H;O2 + KOH → ...

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Q: Mass spectrometry by itself cannot be used for a sample of mixture of drugs. This statement is Tr...

A: Mass spectroscopy is a technique which determines the mass to charge ration of various ions present ...

Q: 13. Provide a mechanism for the chain radical mechanism, using curved arrow formalism, of the reacti...

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Q: [H*]?

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Q: 4. Name the following compounds: a. CH,CH,CH,CH; CH, CH, M CH3 CH2 ČH2 CH3 b. CH-CH-C C-CH, CH, CH2 ...

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Q: pose 5.056 grams of an unknown solute are dissolved in 50.0 ams of phenol (C6H50H). The resulting s...

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Q: 1.7 Calculate the molar volume of chlorine gas at 350 K and 2.30 atm using (a) the perfect gas law a...

A: Given data :- Temperature (T) = 350 K Pressure (P) = 2.30 atm

Q: 7. Let's consider the reaction: 2 NO(g) + 2 H2(g) - a) Explain why this reaction is unlikely to be a...

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Q: ny grams of o inds of ontor

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Q: If there is no toxicology unit in the crime laboratory, the respective works will be conducted in th...

A: Forensic toxicology is associated with the medicolegal aspects of toxicology and it plays an essenti...

Q: I. Define the following terms: i. Cleansing and cold cream j. Foundation and vanishing Cream k. N...

A: As per the rules the first three subparts can be answered:  

Q: 3. The rate equation for the decomposition of N2O5(g) (forming NO2(g)) is: A[NO2]/At = k[N2O5]. The ...

A: Unit of the rate constant for the nth order reaction is  mol1-n Ln-1 s-1 As the unit of the rate con...

Q: How many atoms does a simple cubic cell contains? Select one: a. 2 atoms b. 3 atom c. 4 atoms d. 1 a...

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Q: 3H2 (s) + N2 (g) --> 2NH3 (s) (balanced) When 19 grams of nitrogen react, the actual yield is 10.5 ...

A: 3H2 (s) + N2 (g) --> 2NH3 (s) (balanced)From the equation  1 mole N2  = 28 gm of N2  produce =2 m...

Q: Calculate the osmotic pressure for a solution that is 0.6 molar in sodium chloride and 0.5 molar in ...

A: Osmatic pressure = i x C x R x T i = the no. of dissociated ions C = concentration R = gas constant ...

Q: Discuss what these three situations mean on molecular level (how many products vs reactants) and whi...

A: K represents equilibrium constant.  K= [Product]÷ [Reactant] Q represent reaction quotient Q greater...