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For an equilibrium constant lab. 2. If the reaction in question 1 is correct, the concentrations...
Consider the following equilibrium: CO2(g) + H2(g) CO(g) + H2O(g); Kc = 1.6 at 1260 K...
A gas sample has a volume of 0.954 L at a pressure of 764 mmHg. What...
Ethanol (C2H5OH) melts at -114°C. The enthalpy of fusion is 5.02 kJ/mol. The specific heats of...
If the pH of a 1.00-in. rainfall over 1400 miles2 is 3.90, how many kilograms of...
If the pH of a 1.00-in. rainfall over 1300 miles2 is 3.30, how many kilograms of...
Give an example of a monoprotic acid, a diprotic acid, and a triprotic acid. Give an...
The decay of radioactive Rn-220 to Po-216 has a half life of 55.6 seconds. If one...
Hi, I do have all the correct answers for these questions, but I want to know...
Please show the synthesis mechanism of nylon 6,6 from adipoyl chloride and 1,6- hexanediamine that includes...
Titration Problems A sample of ammonium chloride (NH4Cl, MW = 53.49 g/mol; Ka, NH4 + =...
Rank the following ions (Fluoride, Oxide, Nitride, Sodium, Magnesium) in order of increasing size.
the first carbon is attached to a (benzene, Et, and OEt group and another carbon that...
place the compounds in the appropriate bins. Electron transfer coenzyme: phosphoryl group transfer coenzyme: acyl group...
Please explain how to do this question (please explain about the concept also) Sketch the entropy...
The protein metmyoglobin and imidazole form a complex in solution. The molar extinction coefficient for metmyoglobin...
what was the reason to add buffer C with 0.05 M KCl to the resin? What...
4) If the number-average degree of polymerization for polystyrene obtained by the bulk polymerization of styrene...
discuss the relationship between types of bondings and the properties of materials ??
The addition of H- and NAD+ os highly reversible to a reaction. Explain why in a...
Derive equation of exist concentration from reactor starting from zero order equation
Calculate the pH of each of the following solutions. (a) 0.17 M KNO2 (b) 0.37 M...
1- Express the concentration of a 0.0420 M0.0420 M aqueous solution of fluoride, F−,F−, in mass...
Given: HCl (aq) + H2O <> H3O^+ + Cl^- consider the following changes: a) add HCl ...
Preparation of Copper(I) Chloride Reactions: 1) Cu(S) + 4HNO3(aq) -> Cu(NO3)2(aq) + 2NO2(g) + 2H2O(l) 2)...
when glucose is consumed it reacts with oxygen in the body to produce gaseous carbon dioxide...
calculate the pH of a solution of 0.25 M acetic acid and 0.34 M sodium acetate...
A gas mixture contains each of the following gases at the indicated partial pressures: N2, 206...
What is produced when a weak acid is titrated by a strong base? How is this...
An ideal gas raises in temperature from 102.0 to 212.0 oC and the pressure increases from...
WHY do methylcyclohexane and ethylcyclopentane both have the same formula?
1. Part A A 3.00-L flask is filled with gaseous ammonia, NH3. The gas pressure measured...
What is the percent of salt in a salt solution that has freezing point of -6.7...
Develop a claim that explains on a molecular level the difference in boiling point between the...
If a 0.135 M solution of CO2+ has an absorbance of 0.350, what is the concentration...
In titration experiment, you diluted the HCl given to you and then titrated the samples. What...
Why viscosity of gasses increases with temperature where as viscosity of liquid decreases with temperature? Please...
A 1.00 L flask is filled with 1.10 g of argon at 25 ∘C. A sample...
Consider the following reversible reaction, N2O4 and 2NO2 Assuming that inital partial presssure of the gases...
Calculate the moles of IO3- dispensed if you have 21.56 mL KIO3 M 1.0 and IO3-...
where are the s-sp3 carbon hydrogen bonds in C11H18
Describe how to test the filtrate for the presence of excess Na3PO4•12H2O.
Calculate Ea for the uncatalyzed reactions. Use equation 9 and two uncatalyzed reactions that are identical...
Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g) When 0.107 g...
Three gases (8.00 g of methane, CH4, 18.0 g of ethane, C2H6, and an unknown amount...
Draw the five resonance structures of the cyclopentadienyl anion. -Are all carbon-carbon bonds equivalent? -How many...
Titanium reacts with iodine to form titanium(III) iodide, emitting heat. 2Ti(s)+3I2(g)→2TiI3(s)ΔHorxn = -839 kJ Part A...
A handbook lists the value of the Henry's Law constant as 1.400 ✕ 10−3 mol L-1...
Consider the following equilibrium: CO2(g) + H2(g) CO(g) + H2O(g); Kc = 1.6 at 1260 K...
I had to write a scheme for a chemistry lab. I attached a link. The scheme...
The number of theoretical plates is crucial for a good separation in fractional distillation, but is...
A compound is 75.46% carbon, 4.43% hydrogen, and 20.10% oxygen by mass. It has a molecular...
A molecule with molecular weight of 270.93 g/mol is analyzed and found to contain 20.28% manganese,...
Why is dinitration not a serious problem in this procedure? Nitration of Bromobenzene. (EAS) Procedure: mix...
A compound has the following mass percent composition. C: 60.00%, H: 4.48% and O: 35.52. The...
A 1.25 M solution of the weak acid HA is 9.2% dissociated. What is the pH...
4) A 5.000 g sample that contained NaCl and Bacl2.2H20 was heated. After heating the sample...
To standardize a solution of NaOH, one uses a primary standard called potassium hydrogen phthalate. It...
Write the balanced oxidation and reduction half reactions for reaction of Fe(II) with permanganate in acidic...
How could you determine whether you had complete conversion of tripalmitin to methyl palmitate? What differences...
3K2MnO4 + 4CO2 + 2H2O --> 2KMnO4 +4KHCO3 + MnO2 A.) Which reactant would be the...
A.) If 3.0 grams of nitrogen reacts with 2.0 grams of hydrogen to form ammonia (NH3),...
1) If the absorbance of solution 1 at equilibrium is 0.23 and the absorbance of the...
How many grams of glyoxylic acid and sodium glyoxylate are needed to prepare 2.25 L of...
Which of the following compounds are Brønsted–Lowry acids in an aqueous solution? HCl, C3H8, HClO4, NaCHO2,...
Methyl butyrate is a compound that is partially responsible for the flavor of apples. It consists...
In a laboratory experiment, a student found that a 158-mL aqueous solution containing 2.589 g of...
what is the mass/volume percent of 25 g of KCL dissolved in enough water to give...
Using the ideal gas law, determine the percent concentration of hydrogen peroxide in a given sample....
Which of the following element contains the least moles of atoms in a 1.0g sample? Explain...
] solutions are 0.60%, and 0.30% NaOCl by mass. Calculate the molarity of OCl in each...
A reaction has a rate constant of 1.28×10−4 s−1 at 25 ∘C and 0.226 s−1 at 78 ∘C...
Saccharin is a monoprotic acid. If the pH of a 4.41 × 10–3 M solution of...
Consider the following exothermic equilibrium in a sealed vessel: 2HNO3(aq) + K2SO3 (aq) SO2(g) + H2O(l)...
25g Ca(OH)2 is dissolved in 178g water at 25°c. what is the vapor pressure of the...
You drop a 297-g silver figure of a polar bear into the 205-g aluminum cup of...
The thiosulfate titrant must be standardized. What does this mean and how is it accomplished?
What is the concentration of chlorophyll a in spinach? Equation for the standard curve is y=2613.101-0.049...
sulfur dioxide (Heat of vaporization = 25.73kj/mol) has a boiling point of -10.0 degrees celsius at...
Calculate the temperature where the number of vacancies per cubic meter in iron will be 9.40...
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