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When you combine 50.0 mL of 0.100 M silver nitrate with 50.0 mL of 0.100 M...
What is the solubility of MnS, in g/L, in a buffered solution that is 0.205 M...
A sample of NOCl decomposes according to the following equation: 2 NOCl(g) 2 NO(g) + 1...
A 2.40 mole quantity of NOCl was initially in a 1.50 L reaction chamber at 400°C....
Consider the reaction C2H5OH(l) ---> C2H6(g) + (1/2)O2(g). Enter ∆S in J K-1 mol1, all others...
Hydrogen peroxide will be used to oxidize the iron(II) in the complex ion to iron(III). Several...
The equation given below, CP=CV+TV(β2/κ), links CP and CV with β and κ. Use this equation...
What volume of a 0.50 M KOH solution is needed to neutralize completely each of the...
Write the balanced net ionic equations for the following unbalanced reactions in water (use electrolyte &...
You created a standard curve using chlorophyll a from spirulina rather than leaf extract since it...
Chromium has many positive oxidation states. waht is "x" in the formula CrClx if a solution...
One more of an ideal gas initially at 27oC and 1 bar pressure is heated and...
For the dimerization of NO2 to N2O4 calculate the standard change in ENTROPY For the dimerization...
1. The printed label on a bottle of commercial vinegar states that the acetic acid concentration...
Molecular Models and Intramolecular Spatial Relationships/VSEPR Theory Write a descriptive outline of the steps in the...
In order to monitor a chemical reaction for the purpose of determining reaction rates, what practical...
You react 21.3 grams of dangerous aluminum metal with 66.5 grams of chlorine gas (Cl2) and...
Water (density = 62.43 lbm/ft3, MW = 18.01) is flowing at 35 gal/min into a cylindrical...
Why do conjugated compounds absorb light in the Ultraviolet region? Why do more conjugated compounds absorb...
In an atom, what is the maximum number of electrons that can have the following quantum...
how do you find Ryderberg constnt?
From the IR spectrum organic chemistry lab: Explain why the C=C stretch for a trans-disubstituted alkene...
As part of this laboratory, you may have to add iron to a solution. If you...
Chemistry question- In chemistry lab we were determining the composition of a TUMs tablet. We wanted...
A 0.200 M solution of a weak acid, HA, is 9.4% ionized. Using this information, calculate...
Calculate the [H3O+] of the following polyprotic acid solution: 0.400 M H3PO4. Express your answer using...
stoichometric point = 22 ml Using the initial concentrations of NaCH3COO and HCl, and a reliable...
What is the percent dissociation of a 0.0217 M solution of chloroacetic acid, (HC2H2ClO2 )? (Ka...
Dimethylamine ((CH3 )2NH) is a weak base with Kb = 5.1 × 10−4. What is the...
For the reaction 5A + 2G → 2D + 3E, the following initial rates of reaction...
3- CN$(aq) + NH4+(aq)↔ HCN(aq)+ NH3(aq) A solution is prepared with all reactants at 0.45 M...
In the titration f 25mL of 0.1000M maleic acid, HOOC-CH=CH-COOH with 0.1000 M NaOH. Symbolizing the...
If you dissolve 2.00 g of Ca(NO3)2 in 750 g of water, what is the molality...
The specific heat of water is 4.18 J/(g⋅∘C). Calculate the molar heat capacity of water.
Which of the following reactions could proceed as written? Cl2(aq) + 2 NaBr(aq) >> 2 NaCl(aq)...
At 27 degrees Celcius, the vapor pressure of pure water is 23.76 mmHg and that of...
Since the beginning of time (well, at least since the beginning of thermostat-guided heating and cooling),...
The step that completes the citric acid cycle is the conversion of malate (M) to oxaloacetate...
Phosgene (COCl2) is a toxic substance that forms readily from carbon monoxide and chlorine at elevated...
The system described by the reaction CO(g)+Cl2(g)⇌COCl2(g) is at equilibrium at a given temperature when PCO=...
calculate the molar solubility of Fe(OH)2 in a buffer solution with PH= 9.50? For Fe(OH)2, Ksp...
Calculate the mole fraction of solute in the following aqueous solutions (a) 0.112 M C6H12O6 (glucose...
At 8:00 A.M., a patient receives a 1.1-μg dose of I-131 to treat thyroid cancer. Part...
In a step-growth polymerization where “A” reacts with “B” forming “AB”, describe what happens when the...
a) Determine the Na-S distance (r) for Na2S, which has the fluorite structure and edge length...
how many grams of P4 (123.88g/mol) would contain the same number of atoms as 154 g...
A 4.49 g sample of a laboratory solution contains 1.49 g of acid. What is the...
1. A 0.0450 M solution of benzoic acid has a pH of 2.71. Calculate pKa for...
An apartment is 645 ft2. Is this an area, volume, or mass? Question 1 options: A)...
A 44.9 mL sample of a 0.350 M solution of NaCN is titrated by 0.260 M...
Part D Complete the fourth column of the table. Enter your answers as full name of...
Why do vacancies and interstitials have a positive energy of formation? Why are they present at...
How to cross-link a polymer? Please provide examples to illustrate this process.
a) Draw the tetrapeptide Cys-Pro-Leu-Asp at pH=1 b) Assuming pka of the side chain of cysteine...
An adjustable pipette delivers 0.996 (±0.001) mL when set to 1.000 mL. The manufacturer’s tolerances for...
The equilibrium constant, K, for the following reaction is 1.29×10-2 at 600 K. COCl2(g) CO(g) +...
The unknown in Panacetin is either acetanilide or phenacetin. Regardless of which it is either one...
1. A 10.0 mL aliquot of a flouride sample solution was diluted to 50 mL in...
Suppose we mix 1 mole each of Cl2(g) and of Cl(g) at 298K, 1atm. Which way...
A 20.0 wt% solution of CaCl2 (110.98 g/mol) has a density of 1.185 g/mL. What is...
Show that the absolute molar entropy of any substance at any temperature and pressure must be...
Calculate[H3O+], [OH–],pOH and pH of the following aqueous solutions at 25oC. a.0.039 M HClO3 b.0.092 MSr(OH)2
What is the pH of a 0.0350 M solution of benzoic acid?
1. Write the chemical equation corresponding to ∆G°f 298 for AgCl. How does this equation differ...
A certain amount of H2O vapor (gas) is condensed isothermally and reversibly to liquid water at...
How to find grams from Molarity and ml? Whats the mass of 6 M HCL that...
Why does adding a citric acid solution cause the aspirin crystals to reform?
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assume you dissolve 45.0g camphor (C10H16O) in 425mL of ethanol (C2H5OH, has a density of 0.785g/mL)...
A sample of HI (9.30 x 10-3 mol) was placed in an empty 2.00 L container...
nicotine, extracted from tobacco leaves, is a liquid completely miscible with water at temperature below 60...
Thermal neutrons are neutrons that move at speeds comparable to those of air molecules at room...
The combustion of 40.5 mg of a compound containing C, H, and O, and extracted from...
do the alkaline earth metals tend to gain or lose electrons in chemical reactions
when 79.0 g of calcium and 54.7 g of nitrogen gas undergo a reaction that has...
The diffusion coefficients for carbon in nickel are given at two temperatures: T(˚C) D(m2/s) 600 5.5...
A 10.54-g block of solid tin at 14.65 °C is immersed in a 21.35-g pool of...
Each step in the process below has a 60.0% yield CH4 + 4Cl2 > CCl4 +...
Consider the reaction: 2H2O(l)2H2(g) + O2(g) Using standard thermodynamic data at 298K, calculate the entropy change...
When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 22.8...
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