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a gas has a volume of 525 ml at 625 torr. what would be the new...
If the density of solid chromium is 7.15 g/cm3, what is the packing efficiency of Cr...
Calculate the pH of each of the solutions and the change in pH to 0.01 pH...
Determine the pH of each of the following solutions. (a) 0.740 M carbonic acid (weak acid...
In salicylic acid and in benzoylamino , acid (sulfuric or hydrochloric) is added near the end...
If 50mL of a 5.43x10-3M solution of perchloric acid in water is mixed with 10mL of...
Estimate the temperature at which CuSO4 • 5H2O (blue crystal) undergoes dehydration and turns grayish white
Consider the titration of a 21.0 −mL sample of 0.100 M HC2H3O2 with 0.120 M NaOH....
If Bryce had 5.00 quarts of water in an adiabatic container at room tempereature, 298K, how...
For biological and medical applications we often need to consider proton transer equilibria at body temperatue...
Given that: 2Hg2+(aq)+2e−→ Hg2+2(aq) E∘=0.920V Hg2+2(aq)+2e−→ 2Hg(l) E∘=0.797V Calculate the values of ΔrG∘ and K for the...
Consider the salt, lead(II) iodate, Pb(IO3)2. Write the equilibrium reaction (with states), and the equilibrium-constant expression...
[A] List all the structural features (chains, rings, functional groups, # of C's, rings, etc) the...
How does the size of molecules affect their macroscopic properties? Why is understanding the sizes of...
To learn how to calculate ion concentrations in an aqueous solution of a strong diprotic acid....
The reaction: A -> B+C is known to be second order with respect to A and...
Ammonia is burned to form nitric oxide in the following reaction: 4NH3 + 5O2 ----> 4NO...
how would you change the procedures in this experiment if you wished to synthesize benzalacetone C6H5CH=CHCOCH3?
A)Calculate the pH of 0.100 L of a buffer solution that is 0.27 M in HF...
Assign the peak in the IR spectrum of dibenzalacetone that is at 1639 cm^-1. Is this...
Define/explain the terms critical mass/chain reaction as they apply to both a nuclear bomb and a...
In modern construction, walls and ceilings are constructed of "drywall", which consists of plaster sandwiched between...
1. a. The yield of the reaction to form your chalcone is not quantitative. What side...
Write the equation for the saponification of this triacylglycerol.
Write net ionic equations for the reactions that take place when aqueous solutions of the following...
Analytical Chemistry Problem 0.352g of organic phosphate sample is digested and dissolved in hydrochloric acid followed...
Find the pH of each of the following solutions of mixtures of acids. 0.100M in HBr...
The vapor pressure of liquid methanol, CH3OH, is 100. mm Hg at 294 K. A sample...
Why do two eliminatio reactions produce different product ratios even though the energy difference between isomeric...
Which of the following processes have a ΔS < 0? Which of the following processes have...
A (aq) ---> B (aq) ΔG standard for rxn = 4.13 kJ A reaction vessel was...
Choose the statement below that is TRUE. Choose the statement below that is TRUE. If K...
Calculate the ΔG∘rxn for the reaction using the following information. 4HNO3(g)+5N2H4(l)→7N2(g)+12H2O(l) ΔG∘f(HNO3(g)) = -73.5 kJ/mol; ΔG∘f(N2H4(l))...
Pick the best words In parentheses to complete the sentence: An ionic compound with a large...
How many grams of calcium are consumed when 160.6 mL of oxygen gas, measured at STP,...
Answer the following for the reaction: NiCl2(aq)+2NaOH(aq)→Ni(OH)2(s)+2NaCl(aq) 1.How many milliliters of 0.200M NaOH solution are needed...
Which of the following complex ions should absorb the shortest wavelengths of electromagnetic radiation? Cu(F)42- Cu(Cl)42-...
What is the principle behind the binding of horseradish peroxidase to concanavalin-A? Why did the sugar...
what is the mass in grams of 1.75*10 20 molecules of caffeine, C8H10N4O2 ?
I am writing up a lab report on the synthesis of phenacetin from para-acetamidophenol,(using sodium ethoxide...
Give the uncondensed ground state electron configurations for the following atoms and ions. a. Te2- b....
benzene is a polar molecular, but not polar solvent. In light of cation- pi interaction and...
A sample of gaseous acetone is irradiated with monochromatic light having a wavelength of 313 nm....
1.) A student found that the sulfate ion concentration in a solution of Al2(SO4)3 was 0.34...
One piece of copper metal at 105 degrees celcius has twice the mass of another copper...
Density measurements at STP were made on samples of the gases from two unlabeled cylinders of...
a) A 1.500 L flask is filled with a mixture of 1.20 g H2 and 8.40...
a) What is ΔGrxno (in kJ) at 2715 K for the following reaction? 2POCl3(g) → 2PCl3(g)...
Urea (NH2CONH2), an important nitrogen fertilizer, is produced industrially by the following reaction: 2NH3(g)+CO2(g)?NH2CONH2(aq)+H2O(l) Given that...
When a chemical reaction is carried out in an industrial setting, it is very common to...
A 50.00 mL sample of aqueous Ca(OH)2 requires 34.66 mL of a 0.944M nitric acid for...
Which one of the following aqueous solutions will have the highest boiling point? Pleae provide workings....
make one plot that includes data of one of the periodic properties versus atomic number. (don't...
A solution is made by dissolving 27.8 g of nicotine (molar mass= 160 g/mol) in 145...
Wihich of the halogens listed in the standard electrode potential table is the best oxidizing agent....
Consider the decomposition of a metal oxide to its elements where M represents a generic metal:...
Using appropriate equations and perhaps graphs, explain when free energy is relatively temperature independent.
There are two major components in the chromatography experiment: the solvent system (mobile phase) and the...
Which detector would be the most suitable for analyzing a sample containing decane, butylbenzene, and naphthalene:...
In the process of recrystallization, after dissolving the product in hot methanol, why do we have...
For the following: 4NH3(g) + 3O2(g)--> 2N2(g) + 6H2O(g) with K=1E-8 All Reactants are initially at...
Consider the titration of 20.0 mL of 0.0800 M H2NNH2 (a weak base; Kb = 1.30e-06)...
The standard molar enthalpy of formation for gaseous H2O is −241.8 kJ/mol. What is the standard...
Compare the energies for both diaxial and diequatorial chair conformers of trans-2-fluorocyclohexanol. State the relative importance...
RATE = ([ Na2S2O3]/time) = k [I-]a [BrO3-]b [HCl]c 1A) You mix together in the proper...
If copper is the anode wouldn't it be oxidized, therefore making the flip from a +0.34V...
Magnesium reacts with acid according to the equation: Mg + 2 H+ yields Mg2+ + H2...
Iin the following record wether the mixture forms a participate or the ions remain soluble -if...
in the following table ,record the color of hexane layer after the addition of halogen and...
does these have reasonance SiO3^-2 ,B2CI4 , HNO2 ,SF2 ,HCO3^-1 ,COS ,N2CIBr3 , CH2CI2 , HBO3^-2...
Could you give one or two examples of novel organic -inorganic hybrids in biomedical applications in...
Question 1. a) Draw a vapour pressure (pA) vs composition (xA) graph for an ideal solution...
Given 3.0 mL of 3-methyl-1-butanol how would I synthesize the derivative Naphthylurethane. Please provide a detailed...
Is the use of air as an O2 source greener than using a cylinder of pure...
Acetaldehyde is synthesized by the catalytic dehydrogenization of ethanol: C2H5OH ? CH3CHO + H2 Fresh feed...
A certain weak base has a Kb of 8.50 × 10-7. What concentration of this base...
What product is obtained when you epoxidize (d)-(+)-carvone with mcpba? Why do you obtain this product?
How do you calculate the initial concentration of the ions in a reaction mixture using given...
Which of the following occurs when HCl is added to a budder containing (CH3)3N and (CH3)3NH+? ...
Using your density calculations, what is the percent composition of copper in the penny? Density of...
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