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For the water quality characteristics in Table 1.0, soften the water using caustic soda (NaOH) and...
. Mining companies use this reaction to obtain iron from iron ore: Fe2O3 (s) + 3...
calculate the concentration of NH3 (pKa (NH4+/NH3)= 9.25) if the pH =10. please explain how to...
A solution of HClO4 was standardized by dissolving 0.4008 g of primary-standard-grade HgO in a solution...
Nernst Equation Applied to Half-Reactions The Nernst equation can be applied to half-reactions. 1) Calculate the...
Relative Reduction Potential Assuming standard conditions, and considering the table of standard reduction potentials for half-reactions,...
a) Write Bronsted acid-base equilibrium equations for the following: b) Show the acid-base conjugated species, labeling...
21. NADH reduces the rate of all of the following except ___________. a. α-Ketoglutarate dehydrogenase b....
In a fusion reactor the uncharged neutrons produced in some of the reactions will escape the...
Explain how (without doing any calculations), given heat capacities at different temperatures, you can find the...
Calculate the [Ag+] in a solution prepared by dissolving 1.00g of AgNO3 and 10.0g KCN in...
1) What is a coordination complex? How are they useful? 2) What is the balanced equation...
consider two hypothetical pure substances, AB(s) and XY(s). when equal molar amounts of these substances are...
6.) please answer and explain thoroughly. Arrange the following atoms in order of increasing size: a.)...
Would the calculated molecular weight be too high, too low, or unaffected if the following occured?...
A) If 30.8 g of O2 are mixed with 30.8 g of H2 and the mixture...
16. What is the net energetic cost of converting two pyruvate to one glucose by gluconeogenesis...
What is the buffer-component concentration ratio, [Pr - ]/[HPr], of a buffer that has a pH...
Find the volume (mL) and the pH of 0.135 M HCl needed to reach the equivalence...
20. Calculate pH when 25.00 mL of 0.10 M HCOOH (Ka = 1.8*10^-4) is titrated with...
1. In lecture you have learned that substitution and elimination are competing reaction and in order...
For Predicting the electronic absorption spectrum of the C60 molecule [ The fullerene known as a...
Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum)...
Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron...
Thermal neutrons are neutrons that move at speeds comparable to those of air molecules at room...
Complete the following table for a selection of foods: Food [H3O+] [OH} pH Acidic, basic, or...
You add 0.0100 g of solid Na2CO3 to 1.000 L of a 1.00 x 10-5 M...
At 25 ∘C, the osmotic pressure of a solution of the salt XY is 47.5 torr...
Discuss two uses of the electrochemical series. Thank you
How do the properties of wet and dry nylon differ from each other?
How many chemically different sets of hydrogens are in each of the following? a)1-bromobutane b)2-bromobutane c)1-bromo-2-methylpropane...
which of the following consitions would slow down the rate of atp formation in mitochondria? a....
You need to prepare an acetate buffer of pH 6.08 from a 0.812 M acetic acid...
1. Why does KMnO4 need to be filtered? 2. Why is KMnO4 usually stored in a...
Determine the minimum concentration of the precipitating agent on the right to cause precipitation of the...
A 5g sample of lithium is reacted with 5g of fluorine to form lithium fluoride: 2Li...
Metals are often used as reducing agents in reduction-oxidation reactions. a. Based on trends in chemical...
Suppose you titrate 20.00 mL of a 0.250 M HCN solution using 0.100 M NaOH solution....
Calculate the solubility of Mn(OH)2 in g/L when buffered at pH=9.5 Calculate the solubility of Mn(OH)2...
Which of the following aqueous solutions will have the highest boiling point? 0.10 m KOH 0.10...
Calculate the mass of Li formed by electrolysis of molten LiCl by a current of 8.5×104...
A solid mixture consists of 32.3 g of KNO3 (potassium nitrate) and 5.7 g of K2SO4...
Chymotrypsin is a serine protease that cleaves on the carboxyl side of aromatic side chains. Esters,...
Part A How much heat energy, in kilojoules, is required to convert 56.0 g of ice...
A compressed air tank carriedby scuba divers has a volume of 8.0L and a pressure of...
What is the purpose of the experiment bromination of Fumaric acid? What is the purpose of...
Solutions containing aqueous barium nitrate and aquueous zinc sulfate are combined to yield a precipitate of...
In aqueous solution at 29
This reaction uses a reflux condenser, followed by a distillation to purify the resulting ester. What...
A fertilizer has a 20-15-5 material. What do these numbers on the label directly represent? What...
Write the electron configurations for the following atoms or ions: (a) B3+ (b) O– (c) Cl3+
At 3500 K, the following reaction has the rate law Rate = k[H2][Ar], where k =...
Why is warm distilled water being used in a calorimeter instead of room temperature water resulting...
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100 ml of 0.1 M aqueous solution of some organic compound was brought in contact with...
Balance the following redox equation that goes in acid, using both the half-reaction method and the...
During the initial stages of the following reaction the rate law is Rate = k[H2][Br2]½. H2(g)...
(a) How many distinct ways are there to assign 8 electrons to a 1s22s22p4 configuration? (b)...
If instead of the theoretical 2 mol, the actual reaction uses reaction (8.29x10^2) grams of methanol...
A compound is 7.75% hydrogen and 92.26% carbon by mass. At 100 degrees Celsius, a 0.6883...
The system described by the reaction CO(g)+Cl2(g)?COCl2(g) is at equilibrium at a given temperature when PCO=...
A 1.89 mole sample of Ar undergoes an isothermal reversible expansion from an initial volume of...
Experiment 1: Gravimetric Analysis with Calcium Chloride and Potassium Carbonate In this experiment, proper analytical experimental...
Predict the sign for ∆S of these reactions/processes (1) positive, 2) negative, or (3) it is...
B. SATURATED AMMONIUM CHLORIDE. NH4CL + HCL 1. what is the evidence for a shift in...
Consider the following reaction: SO2Cl2(g)⇌SO2(g)+Cl2(g) A reaction mixture is made containing an initial [SO2Cl2] of 2.2×10−2...
A sample of propane C3H8 contains 11.9 moles of carbon atoms. How many total moles of...
3. Given: A(g) + 2B(g) ? AB2(g) Kc = 59 ?H = -242 kJ/mol A(g) + 3B(g) ? AB3(g) Kc...
If 5.53 moles of an ideal gas has a pressure of 3.41 atm, and a volume...
At elevated temperatures, sodium chlorate decomposes to produce sodium chloride and oxygen gas. A 0.8655-g sample...
Astudentlearnsthationiccompoundshavesignificantcovalentcharacterwhenacationhasapolarizingeffect on a large anion. As a result, the student hypothesizes that salts composed of small...
When 1.3584 g of sodium acetate trihydrate was mixed into 100.0 mL of 0.2000 M HCl...
The solubility of PbI2 (formula weight = 461) is 0.63 g/L. What is the solubility product?...
How can the peak area be used to quantitatively analyze a sample using GC?
Why was acetone used in the (alcohol oxidation reaction: 9 flourenone) reaction? hint: sodium hypochlorite solution...
A system contains three gases: 2.00 moles of N2(g), 1.00 moles of He(g), and 0.50 moles...
The system consists of reactants (10.5 g of butane gas and the stoichiometric amount of oxygen...
At 89 degrees celsius the vapor pressure of methylbenzene is 53.0 kPa and that of 1,2-dimethylbenzene...
What is the molality of a solution of 49.8 g of ethanol (CH3CH2OH) in 441 mL...
Sulfuric acid dissolves aluminum metal according to the following reaction: 2Al(s)+3H2SO4(aq)--->Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve...
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