+21 + 2HO HOI + OH Slow Fast 1-1- H0 Fast rate law that is consistent with this meche e Choice ReneHOJOH

Q: A city's water supply is contaminated with a toxin at a concentration of 0.63 mg/L. For the water to…

A: We have find out the correct option.

Q: Which of the following is a correct relationship between AG° and the equilibrium constant, K, for a…

A: Since you have posted multiple questions as per guidelines we can answer only one per session . If…

Q: Choose the amino acids from the list below that could combine to give the following dipeptide. HN…

A: Retrosynthetic analysis of dipeptide gives glycine and serine ( see below).

Q: If a urine sample has a pH of 5.50, calculate the concentrations of H3O+ and OH− in the sample.

A:

Q: Zn and Sn ions coprecipitate when they exist in solution to form mixed oxides. Suggest a…

A: a. Given that, Zn and Sn ions coprecipitate when they exist in a solution to form mixed oxide. We…

Q: A (3.6500 g) of impure ammonium aluminium sulfate (NH4AI(SO4)2)) was treated with ammonia (NH3(aq))…

A: Given: Mass of sample = 3.6500 g. Mass of Al2O3 formed = 0.4935 g.

Q: With this information and the specific heat of water, 4.184 J/(g·°C), calculate the specific heat,…

A: Given,  The specific heat of gold metal,  when 38.600 g Au metal at 65.17 °C added to 60.00 g of…

Q: Which of the following combinations can be used to make a buffer? assume equal values are used A.…

A: For buffer solution : we take weak acid/ weak base and it's conjugate base / conjugate acid.....

Q: Multiple Choice 41 52 0.49 5.8 x 10-3 4.6 x 10-3

A: Given,  Kp = 0.49 Temperature = 1024 °c = 1297 K R = 0.0821 atm-L/mol-K □ng =change in gaseous moles…

Q: 15. A voltaic cell utilizes the following reaction: 4Fe2+(aq)+O2(g)+4H+(aq)→4Fe3+(aq)+2H2O(l) THE…

A: Given that, a voltaic cell reaction is 4Fe2+(aq) + O2(g) + 4H+(aq) →4Fe3+(aq) + 2H2O(l). The…

Q: pr the balanced equation shown below, how many moles of SOs will react with .7727 moles of CaHsS? he…

A:

Q: Use the standard reduction potentials located in the 'Tables' linked above to calculate the standard…

A: For a electrochemical cell E⁰cell Can be calculated by using the following formula:  E⁰cell = E⁰red…

Q: Water has a pH of 7. If 0.1 mL (about one drop) of 1.0 M HNO, is added to 100 mL of water, the…

A: Concentration of HNo3 solution = 0.001 M

Q: re of the reaction mixture will de ur spontancously at 298 K and 1. mperature is raised, Key for…

A: Given,  □H >0 □S >0 From the given information,  Reaction is endothermic and entropy of…

Q: Suggest a real life situation where salinity can be useful.

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Q: What volume is occupied by 5.8 g of propane gas, CaHs, at 35 °C and 1.15 atm pressure?

A: Given: Mass of propane i.e. C3H8 = 5.8 g. Temperature = 35 oC And pressure = 1.15 atm.

Q: A student measures the following data regarding the heat of fusion of ice: 24.8 g ice at 0.0°C is…

A: Given: Heat capacity of calorimeter = 15.4 J/oC Initial temperature of calorimeter and water = 21.5…

Q: Calculate the mass of CaCO3 (MM = 100.0 mg/mmol) produces from heating 400.0 mg of CaC2O4•H2O (MM =…

A: Concept: heating an oxosalato salt of group-2 metal form corresponding carbonate of the metal and if…

Q: In which of the following pure compounds would intermolecular hydrogen bonding be expected? (Select…

A:

Q: This picture shows A) an insoluble ionic solid B) a partially soluble ionic compound C) a fully…

A: A compound is said to be soluble if it is distributed homogeneously when it is dissolved in a…

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A:

Q: 4. Name ihe chemical test and state the expected resuit that couid be used to distinguish the…

A:

Q: Task 1: The hot and spicy flavour of Chilli peppers is due mainly to a compound called capsaicin.…

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Q: 000 000 K=2 K 5 At equilibrium? At equilibrium? yes O no yes O no K= 4 K= 11 At equilibrium? At…

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Q: The half life for a first order reaction is 45 min. What is the rate constant in units of s?…

A: Reaction is of first order reaction kinetics. Half life time is 45 min  We have to find rate…

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Q: Epinephrine contains the __ group that is absent in norepinephrine. The donor of this group is…

A: The structure of epinephrine and norepinephrine is as follow:

Q: A 981.8 g sample of bismuth goes through a temperature change of +46.75 °C while absorbing 784.6…

A: 1. Given :-  Mass of sample of Bi = 981.8 g  Temperature change i.e. ∆T = +46.75°C  Amount of heat…

Q: Study each overall cell reaction. Identify and write the half-reaction that occurs in the an the…

A: Given : We have to tell whether the reaction is spontaneous or not.

Q: According to the balanced reaction below, calculate the quantity of moles of NH, gas that form when…

A: Given :-  Balanced equation :  3 N2H4(l) → 4 NH3(g) + N2(g)  Number of moles of N2H4 reacts = 4.20…

Q: A (3.6500 g) of impure ammonium aluminium sulfate (NH4Al(SO4)2)) was treated with ammonia (NH3(aq))…

A: Given: Mass of sample = 3.6500 g. Mass of Al2O3 formed = 0.4935 g.

Q: A chemistry student weighs out 0.0690 g of hypobromous acid (HBrO) into a 250. mL volumetric flask…

A: Given: Mass of HBrO = 0.0690 g. And concentration of NaOH = 0.1700 M

Q: 3. In the chromium (_24^52)Cr atom, the number of electrons, protons, and neutrons is: A) 24,28, 34…

A:

Q: 2,3-diaminobutane and butane-2,3-dione

A: The structure of 2,3-diaminobutane is:

Q: Calculate the frequency in Hz of electromagnetic radiation having a wavelength (6.4x10^4) nm. Note:…

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Q: A chemist prepares a solution of aluminum chloride (AICI,) by measuring out 33.5 g of aluminum…

A: Given: Mass of AlCl3 taken = 33.5 g. And volume of solution = 350 mL = 0.350 L…

Q: As a result of alpha emisslon, the product nucleus is Mutple Choice two atomic numbers higher than…

A: Alpha particle has two units of positive charge and four units of mass (α24).

Q: . explain each step with words on how to get the structure. Step 1: Calculate the Index of…

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Q: Improve the reaction efficiency of chemicals and pollutants High potential at interface MNBS have…

A: MNB technique is used for waste water treatment.

Q: 2. If the standard enthalpy change, (AH°) and the standard entropy change, (AS°) for the dissolution…

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Q: Question 3 Green Chemsitry: Select among the possible answers the corect answer for each of these…

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Q: Which of the following parameters was held constant in the Styrofoam calorimetry experiment?…

A: Given: Styrofoam calorimetry experiment.

Q: ve isomerizetlion of cyclopropane to form propene is a first-order reaction. HC-CH: HC-CH=CH, CH; 1…

A: Given-> Time = 79.0 minute ->85 % of cyclopropane changes to propene.

Q: Enter your answer in the provided box. Given the following data, 2+ 2H3²*(aq) + 2e → Hg2"(aq) E° =…

A: The relation between ΔG° and E°cell in an electrochemical reaction is given by - ΔG° = - nFE°cell

Q: In mining, roasting is the oxidation of metal sulfides to produce metal oxides and sulfur dioxide, a…

A:

Q: Select Rings More Erase Draw HNO3 + H,0 H2SO4

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Q: A voltaic cell has the following initial state: Cr (s) | Cr" (aq. 2.0 M)| C (aq, 9.0 M) | Cr (s)…

A: The cell given is, => Given: Volume of cell = 1.00 L And current = 26.0 A

Q: Under which circumnstances is it appropriate to apply the pre-equilibrium approximation

A: It is asked in the question where to apply pre-equlibrium approximation.

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Q: A sample of neon initially has a volume of 3.50 LL at 18 ∘C∘C. What final temperature, in degrees…

A: We have to predict the temperature in degree Celsius.

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.