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(i) The chemical properties of first-row transition metals are generally different from those of their second...
Calculate the concentration of free Fe3+ in a solution of 0.10M FeY- at pH1.00. the formation...
67 .) Butyric acid, the molecule that causes the odor in rancid butter, contains only carbon,...
65.) Coal is a mineral of fossilized carbon which is used as fuel and contains carbon,...
Calculate the vapor pressure of a solution of 92.1g of glycerin C3H8O3 in 184g of ethanol,...
62. An unknown sample with a total mass of 440.85 g contains carbon, hydrogen, and oxygen....
Determine the electron geometry, molecular geometry, and idealized bond angles for each of the following molecules....
Estimate the freezing point of 150cm3 of water sweetened with 75 g of sucrose.
given that the rate constant is 15/M*sex at 315 k and the pre-exponential factor is 23/M*sex,...
A worker at a nuclear plant is exposed for 5.00 minutes to 1.00 Ci of beta...
What is the charge and spin multiplicity ( in Gaussian) for the molecule of XeF4 (xenontetrafluride)...
(a) Seawater contains approximately 0.055 M MgCl2. How many liters of seawater are required to produce...
define a ternary metal oxide. will rate thanks
A 10.g cube of copper at a temperature T1 is placed in an insulated cup containing...
Write a neutralization reaction for each acid and base pair. A) HF(aq) and Ba(OH)2(aq) B) HClO4(aq) and...
Potassium nitrate has a lattice energy of -163.8 kcal/mol and a heat of hydration of -155.5...
82. Copper is obtained from copper(I) sulfide by roasting it in the presence of oxygen gas...
81. Balance the following chemical equations. Write the appropriate coefficients in the spaces provided below. (5...
4. Predict whether or not a reaction occurs when each of the following pairs of solutions...
explain why lanthanides have small ligand field effects?
A 4.927 g sample of a compound was analyzed for nitrogen. In the procedure, all the...
Determine which of the following reactions are spontaneous under standard conditions. Balance the reactions. Give the...
Bromide (Br-) can be quantified by titrating with permanganate solution (MnO4-). a) Balance the reaction under...
____ 8. A 5.0 mol sample of gas exerts a pressure of 2.0 atm at 27...
A particular natural gas consists, in mole percents, of 83.0% CH4 (methane), 11.2% C2H6 (ethane), and...
an electron undergoes a transition from an initial (n_i) to a final (n_f) energy state. The...
what is the Keq for the reaction between methtlmagnesium bromide and ... a) ammonia b) ethene
When 27.7 g of acetylene reacts with hydrogen, 25.0 g of ethane is produced. What is...
Phthalocyanine is composed of 74.69% C, 3.525% H, and 21.77%N. Determine its empirical formula.
What is the molarity of an HCl solution if 13.0 mL HCl solution is titrated with...
If the same amount of thermal energy is added to samples of several substances, the sample...
A laboratory investigation shows that a sample of uranium ore contains 5.48 mg of 23892U and...
what happen if we mix distilled water in a reaction equilibrium of NaCl+CuSo4.?? which direction will...
Why is the pKa value of the amino group different for cysteine and asparagine? i.e. why...
Cellulosic biomass is a conglomerate of cellulose, hemicellulose, and lignin in varying proportions. Briefly show how...
Starch is also a polymer of glucose, but far easier to hydrolyze. Chemically, how do cellulose...
The pKa of HF is 3.17. a. Calculate the pH of a 1.00 L solution that...
For the following reaction, 6.72 grams of carbon (graphite) are mixed with excess oxygen gas ....
For the following reaction, 23.8 grams of nitrogen monoxide are allowed to react with 16.6 grams...
"In our bodies, sugar is broken down with oxygen to produce water and carbon dioxide." For...
One mole of superheated water is evaporated at 383 K and 101 kPa. Calculate DS of...
Statins lower cholesterol levels by: a. inhibiting fatty acid synthase. b. preventing formation of LDL. c....
Are you able to identify the chromophore
can dibenzyl ketone react with itself in an aldol reaction? If, so what would be one...
How do you prepare 2M HCl solution?
Methane is the dominant constituent of the domestic gas supply. 1. Using the lowest excess of...
Fe3+ + e- --> Fe2+ is called a___________ ___________ because two (one for oxidation, one for...
A) Determine the mass in grams of 0.100 mol of gold. MM = 196.97 g/mol mass=?...
Starting with a hcp array of anions, what structure types are generated by a) filling all...
The osmotic pressure of blood is 7.65 atm at 37°C. If you were preparing an isotonic...
Calculate the average C—C bond strength in cyclopropane (in kJ/mol). Its combustion and the experimental enthalpy...
Oxidative stress causes a molecule to gain a proton loss an electron lose a neutron gain...
1. Convert a 0.1 M NaCl to a % (w/v). 2. Convert 5% (w/v) sucrose to...
What is the maximum partial pressure of oxygen that can be delivered at atmospheric pressure of...
Αt 20°C, elemental iron is bcc, a = 2.866 Å. At 950 °C, Fe is ccp,...
HOMEWORK: DRI TASK: Please submit here your answers for DRI and Calories estimation.
A couple of questions...Thank you for anyone that replies. #1 For the following (unbalanced) reaction, what...
Slater's rules: what is zeff of an elecrton with these quantum numbers: n=5 l= 2 ml=...
How do you prepare a 1.0 L buffer with pH 5, using Oxalic acid and its...
What is the [CH3NH3+] of a solution which is 0.1978 M in CH3NH2 and 0.1084 M...
Parameter unit Reactant 1 reactant 2 Product 1 product 2 Chemical Name SA (added) AcA (added)...
When 1-iodo-1-methylcyclohexane is treated with NaOCH2CH3 as the base, the more highly substituted alkene product predominates....
1. Write the equation, using curved arrows, for the preparation of a phenoxide anion (C6H5O-) from...
What is the pH of a saturated solution of Zn(OH)2? Ksp = 1.8 x 10^-14
Carbohydrate Structures: a. Draw the Fischer projection structures of all of the trioses. b. How is...
INORGANIC CHEMISTRY QUESTION IR Questions 1. Why do the CO stretches occur in a much higher...
The decomposition of sulfuryl chloride (SO2Cl2) is a first order process. The rate constant at 660...
discuss BET theory of multilayer adsorption.
Gaseous methane (CH4) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and...
1. 1.0678g of a standard iron(ii) ammonium sulfate, (NH4)2Fe(SO4)2. 6H202 requires 35.50mL of permanganate solution for...
Please answer parts A-K. Thank you! Part A How many mm^3 are in 2.20 ft^3 Part...
What are examples of gases in water that you see in your everyday life except for...
In the synthesis of Aspirin, FeCl3 did not change the first product, but after the recrystallized,...
Solid state reactions of inorganic materials generally require long periods of heating at high temperatures. Explain...
What is the molarity of ZnCl2 that forms when 20.0 g of zinc completely reacts with...
Nitrous acid has a Ka of 4.5×10−4. What is the pH of a buffer solution containing...
A. Draw the bonding pattern of water molecules with the amino acid glutamic acid at a...
Indium antimonide (InSb) has a band gap of only 0.17 eV, while GaAs has aband gap...
Stearic acid and linoleic acid are both long chain carboxylic acids with 18 carbon atoms. However,...
1-Hexanamine and triethylamine have the same molecular weight of 101.190 amu. Despite this similarity, the boiling...
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