What will happen to water if 1M of SALT is dissolve into it? the vapor pressure of water will decrease the boiling of water will be greater than 100oC the freezing point of water will be 1 degree higher than 0oC     All I, II and III     only II and  III     only I and II      only I adn III

Q: A certain reaction has an activation energy of 52.53 kJ/mol. At what Kelvin temperature will the…

A: Given K2 = 5 K1

Q: The molar volumes of water and ice at 0 oC and 1 atm are 18.02 and 19.65 cm3 mol-1, respectively,…

A: Given: Molar volume of water = 18.02 cm3 mol-1 Molar volume of ice = 19.65 cm3 mol-1 Enthalpy of…

Q: Given the volume of 0.3482 M NaOH used determine the concentration of 15 ml sample each from…

A: Given that, 15 mL sample of each from aqueous layer and the organic layer. The concentration of the…

Q: Supply the missing products in the following reactions, as indicated by CAPITAL letters inside the…

A: Given diagram of reactions is : Complete the diagram by making all the major products = ?

Q: 3Ce+ (aq) + Bi(s)+ H2O(1)→3Ce3+ (aq) + BiO+ (aq)+2H+(aq) Express the equilibrium constant to two…

A: Given,  Part. B :-  Balanced reaction is :  3Ce4+ (aq) + Bi (s) + H2O (l) ------> 3Ce3+ (aq) +…

Q: Write the equilibrium-constant expressions and obtain numerical values for each constant in the…

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Q: How will the concentration of the analyte be affected if the recorded volume of the titrant is…

A: Answer: These questions are based on acid-base titration. In the titration equivalence point is the…

Q: What would happen if the Liebermann reagent was added to a sample of cocaine HCl? Why? Give a…

A: Liebermann reagent is composed of a mixture of potassium nitrite and concentrated sulfuric acid. 1g…

Q: The rate of the given reaction is 0.480 M/s. A + 3 B → 2C What is the relative rate of change of…

A: Given: Rate of the reaction = 0.480 M/s

Q: 5. What volume will 400. mL of SO3 at 0°C and 760 mm Hg occupy at 110. °C when the pressure remains…

A: 5.  Given :- initial volume = 400. mL  Initial temperature = 0°C  Final temperature = 110.°C…

Q: What is the AHfus of ethanol (46.06 g/mol) which has Kp of 1.99 and freezes at -117.3 °C? 4.68…

A: Given: Molar mass of ethanol = 46.06 g/mol Freezing point = -117.3oC Kf of ethanol = 1.99 K kg mol-1

Q: The reaction C(s) + 2H, (g) = CH,(g) has K, - 0.263 at 1000. K. Calculate he total pressure at…

A: Dalton's law states that total pressure of  mixture of gases is equal to the sum of the partial…

Q: Endothermic reactions should be cold to the touch?

A: There are two types of reactions- these are exothermic reaction and the endothermic reaction.  Both…

Q: What volume would 1.20 moles of gas held under 846 torr pressure and 303 K occupy?

A: 20  Given :-  No. of moles of gas = 1.20 mol  Pressure = 846 torr  Temperature = 303 K  To calculate…

Q: In this reaction, D‑erthyro‑imidazole‑glycerol phosphate is first protonated to form a good leaving…

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Q: Which is a major product of this reaction? AICI, a) b) c) CI ČI .CI e) (p

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Q: Using net ionic equations and solution stoichiometry, calculate the molarity of the principal…

A: Net ionic equation is- Mg (s) + 2H+ (aq)   →   Mg2+ (aq) + H2 (g) Also, No of moles = Molarity *…

Q: in the esterification synthesis of isopentyl acetate, why is CO2 produced during the extraction…

A: The ester isopentyl acetate is formed by the esterification reaction of isopentyl alcohol and acetic…

Q: The half-life decreases with time for the reaction aA =>bB , which is:  a)zero order in A b)first…

A: Half life of second order reaction is inversely proportional to initial concentration

Q: At 2000 K, the equilibrium constant, Kc for the decomposition of hydrochloric acid is 3.2 x 10-3. If…

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Q: The rate constant for this second-order reaction is 0.250M-1 ·s-l at 300 °C. A → products How long,…

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Q: A 216.9 g sample of sodium absorbs 800.2 joules of heat. The specific heat capacity of sodium is…

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Q: Resorcinol gives a false positive with the Duquenois–Levine test. Why?

A: The Duquenois-Levine test is based on the 1,3-dioxybenzene partial structure. Any substance that…

Q: iodate is given below. What is the molar solubility, in g/L? Include units in your answer.…

A: Given,  Molar mass = 664 g/mol Solubility equilibrium  La(IO3)3 <----> La3+(aq.) + IO3-(aq.)…

Q: Which of the following refers to a composition in which its components cannot be separated by…

A: Distillation :- It is a method of separation of mixture of liquids based on their difference in…

Q: On the illustration of a generic cell for In/Zn electrodes immersed in their salt solutions Write…

A: Here we are required to find half cell reaction for the redox reaction which occur in the…

Q: A particular reactant decomposes with a half-life of 103 s when its initial concentration is 0.275…

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Q: c. What is the initial rate of formation ofC if the initial concentration of A is 3.0 x 10 2. The…

A: The rate equation for the reaction can be written as: Rate=kAxBy......(1) Here, x is the order with…

Q: Make oleic acid vesicles by making a solution of 0.5mL of 50mM oleic acid, 1 mM HPTS in 0.2 M…

A: Vesicles are formed by the rehydration of dry film of lipids. One of most common vesicles are fatty…

Q: Question 26 The addition of 8.00 g of a compound to 300 g of naphthalene lowered the freezing point…

A: Molecular weight of solute = Kf x Weight of solute x 1000 / ∆Tf x weight of solvent.

Q: 2.Describe four different ways in which the enthalpy change associated with the following chemical…

A: The reaction can be given as  HNO3(aq)+ KOH (aq) →KNO3(aq)+ H2O And the reaction generated 53.4…

Q: Gitenqueteophite indicate which, the Stronger muctee, ethoxide of ethomat Explain Joo fa both of.

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Q: What is entropy? What does it have to do with life and death?   Answer: If you place a…

A: 1. entropy, the measure of a system's thermal energy per unit temperature that is unavailable for…

Q: uestion 17 Distribution coefficient (Kp) is the sum of the concentrations of a substance in the…

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Q: Which of the following refers to the phase transition from liquid to vapor?     Sublimation…

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Q: Consider the reaction 2CO2(g) + 5H2(g)C2H2(g) + 4H2O(g) Using the standard thermodynamic data in…

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Q: Br What is the correct name of this compound ? a) 5-bromo-1-ethylcyclohexene b)…

A: Rules for Naming cycloalkenes :-  The double bond of cycloalkene must be given number 1 and 2  If…

Q: In an electrochemical cell, a metal anode lost 0.190 g while a total volume of 0.04507 L of hydrogen…

A:

Q: NO2 N. CH3 CH3 CH3 H3C

A: 13 C NMR spectroscopy is the application of NMR spectroscopy to carbon . 1H NMR spectroscopy is the…

Q: The vapor pressure of pure CCl4 at 65oC is 504 mmHg. How many grams of naphthalene (C10H8) must be…

A: Given- Vapour pressure of pure CCl4=504 mmHg Weight of CCl4= 25.00 gram  Vapour Pressure of solution…

Q: 9. (a) How supramolecule is formed and what are the basic functions of supramolecule.

A: Please find your solution below : Suramolecule is a well defined complex molecule composed and…

Q: The molar solubility of MnCO3 is 4.2 × 10−6 M. What is Ksp for this compound?

A: Given-> Molar solubility = s = 4.2 × 10-6 M

Q: 3. What is the correct cell notation for a voltaic cell based on the reaction below? Ni²"(aq) +…

A: 3.Cell notation is the symbolic representation of galvanic cell. In cell notation, anode is written…

Q: Which molecule has (R)-configuration? (Atomie mass : H=1; C=12; N=14) c) NH2 b) CH3 e) CH3 NH2 d) H.

A: Note : Give the priority to the atoms at chiral center according atomic no. Then the order of…

Q: The Lineweaver-Burke equation of a reaction is 1/v = 0.3 (1/s) + 0.2. Question: What's the Vmax of…

A: Given- 1/v=0.3 (1/s)+0.2 Vmax of the reaction=?

Q: What is the maximum wavelength of light capable of removing an electron from a hydrogen atom in the…

A: Maximum wavelength means minimum energy...

Q: 26. Given the following reaction, what volume of oxygen would be needed to react with 250. grams of…

A: Moles of propane = 250 g / 44.1 g mol-1 =5.6689 mol 1 mol of propane = 5 mol of O2 5.6689 mol…

Q: Consider the Gibbs Free Energy diagram shown (picture). Draw an arrow showing the formation of CO2…

A: The equation is: C(s) + O2(g) → CO2(g)

Q: A 531.6 g sample of sodium undergoes a temperature change of +86.75 °C while absorbing 857.4 joules…

A:

Q: 1. (a) Determine the valence electron counts on the transition metals. Find out the formal oxidation…

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