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The data below show the concentration of ABversus time for the following reaction: AB(g)→A(g)+B(g) Time (s)...
In an experiment, a sample of 4.92 L of nitrogen at 10.8°C and 793 mmHg is...
a solution containing 1.00g of an Unknown nonelectrolyte liqiud and 9.00g water has a frezzing point...
An ideal gaseous reaction (which is a hypothetical gaseous reaction that conforms to the laws governing...
What conditions are required for a strong base to be involved in a SN2 reaction?
If calcium iodate, Ca(IO3)2, is dissolved in a calcium nitrate solution, instead of DI water, does...
Which of the following anions act as a weak base in solution? Check all that apply....
a mixture of bases can sometimes be the active ingredient in antacid tablets. If .4896 g...
A solution is made by adding sodium hypochlorite, NaClO, to water to give 2.0 L of...
How many milliliters of 1.00 M KOH should be added to 100 mL of solution containing...
1. A student started with 20 grams of a fat (with a formula weight of 696...
If 5.00 mol of an ideal gas at STP were confined to a cube, what would...
At 150 °C, a hypothetical gas has second and third virial coefficients of: B = −145.9...
A house has cracks in the basement floor through which radon is emitted into the house....
My little brother eats about 2500 kcal/day and doesn’t gain weight. Estimate his energy consumption per...
Use tabulated standard molar enthalpy changes of formation to calculate Delta H rxn for the following...
Many computer chips are manufactured from silicon, which occurs in nature as SiO2. When SiO2 is...
Using the definitions for total chain molecule length, L (Equation 4.9) and average chain end-to-end distance...
1. Rank in order of most polar to least polar. Acetanilide, acetylsalicylic acid, adipic acid, and...
The following table lists molecular weight data for a polypropylene material. Compute (a) the number-average molecular...
An electron in He+ undergoes a transition from n = 4 to n = 2 state....
The henry's law constant of gaseous methyl bromide CH3Br is k=0.159 mol/L -atm at 25oC. what...
Would you expect a material in which the atomic bonding is predominantly ionic in nature to...
) Calculate the atomic weight of Cerium Ce when the following information is known. Show all...
For the substituent in this experiment that was found to be least activating, explain why bromination...
Calculate the force of attraction between a Ca2+ and an O2- ion the centers of which...
The pH of a solution containing 2.0 mole HNO2 and 2.0 mole NaNO2 in 1.0 L...
When 0.0430 mol of HI is heated to 500 K in a 5.00 L sealed container,...
The reaction is 2H202(1) = 2H20(l) + 02(g) The reaction is second order equation and show...
What are the half reactions that take place in the electrolysis of molten NaCl? The half-reaction...
Which one of the following aqueous solutions would have the lowest freezing point? Explain your reasoning....
Stu Dent does the ternary mixture separation. His results are 50 % NaCl, 37 % SiO2,...
Consider the titration of 50.00 mL of 0.0980 M EDTA with 0.200 M Ga(NO3)3 all properly...
Potassium nitrate has a lattice energy of -163.8 kcal/mol and a heat of hydration of -155.5...
Short questions: a. Name and discuss the mechanisms thought to occur during coagulation. b. If there...
Calculate the precent yield when .631g of precipitate is collected from the reaction of 35.0 mL...
part 1) Consider a 500. mL buffer that contains 0.12 M HOCl and 0.080 M KOCl....
Potassium metal and water react to form potassium hydroxide and hydrogen gas. If you react 1.12g...
You react 2.33g of Iron(III) chloride with 50.0mL of 0.500 M solution of sodium phosphate to...
How many air molecules are in a 15.0×12.0×10.0 ft room? Assume atmospheric pressure of 1.00 atm,...
The Haber-Bosch process is a very important industrial process. In the Haber-Bosch process, hydrogen gas reacts...
.102 g pure caffeine is added to .1 mL methylene chloride and .1 mL water, shaken...
Given the Kow xylene ( any isomer) and Henry's law constant (KH) which method would you...
Write the empirical formula for at least four ionic compounds that could be formed from the...
In adsorption column chromatography ,We can't use alumina as adsorpent when seprate compounds containing phenolic or...
In the following experiment, a coffee-cup calorimeter containing 100 mL of H2O is used. The initial...
Calculate the [H+] and the [OH−] of a solution with a pH=11.45 at 25 °C ....
*Average and instantaneous reaction rates The reaction of compound A forming compound Bwas studied and the...
For each of the following proposed reactions, in aqueous solution, complete the precipitated product. AgNO3+NaCl--> CaCl2+K2CO3->...
Ethane undergoes a combustion reaction. Using the following bond strengths, please calculate the enthalpy of reaction....
Data: Trial Initial Volume of EDTA (mL) Final Volume of EDTA (mL) 1 10ml 9ml 2...
the freezing point of camphor is 178.4 degree celsius and its modal freesing point depression constant...
Buffer capacity is a measure of a buffer solution\'s resistance to changes in pH as strong...
For each of the following pairs of polymers, do the following: (1) state whether or not...
A 1.0 L container was filled by pumping into it 1.0 L of N2 at 20.0cm...
At 473 K, for the elementary reaction 2NOCl(g)k1⇌k−12NO(g)+Cl2(g) k1=7.8×10−2L/mols and k−1=4.7×102L2/mol2s A sample of NOCl is...
Consider the following reaction: A(g)⇌2B(g) Find the equilibrium partial pressures of A and B for each...
The Kb for an amine is 2.364 × 10-5. What percentage of the amine is protonated...
A certain weak base has a Kb of 7.20 × 10-7. What concentration of this base...
Rank the following titrations in order of increasing pH at the equivalence point of the titration...
Half-life equation for first-order reactions: t1/2=0.693k where t1/2 is the half-life in seconds (s), and kis...
If 10 mL of 1 M NaOH are added to one liter of a buffer that...
1. the hydrogen released by the reaction of 90 grams of nitric acid on aluminum, was...
what are the role of these materials in soap and detergent making 1. Coconut oil 2....
What is produced at the cathode during the electrocytosis of a mixture of AgF and FeBr2
octane , one of the componets of gasoline has a density of 0.703 g/cm3 . How...
At 50.14 K a substance has a vapor pressure of 258.9 torr. Calculate its heat of...
Calculate the energy in Joules for a photon with a wavelength of 400 nm. Report your...
Federal law requires that drinking water contain no more than 2.49 x 10-6 M of mercury....
Calculate the radius of an silver atom in cm, given that Ag has an FCC crystal...
Consider Krypton. What is its density at 20oC and 0.993 bar? What is its average speed...
Calculate the concentrations of all species in a 0.470 M Na2SO3 (sodium sulfite) solution. The ionization...
The Ksp of Ag2SO4 is 1.4 X 10-5. Would you have expected to obtain a precipitate...
solve the michaelis-menten equation for km when vo=vmax/2. what does this reveal about the relationship between...
What is the difference between a state and a microstate of a system? Check all that...
Permanganate, MnO4, decomposes in a solution that is in equilibrium with the atmosphere in accordance with...
Using the Henderson-Hasselbalch equation: 1. What is the calculated pH of a solution containing 5mL of...
Can anyone explain to me in simple terms diasteromeric ratios and NMR I am so lost.
Identify the ions that exist in each aqueous solution, and specify the concentration of each ion...
A mixture of Al2O3 and CuO weighing 18.371 mg was heated under H2 at 1000 C...
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