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If a solution containing 63.411 g of mercury(II) chlorate is allowed to react completely with a solution containing 16.642 g of sodium sulfate, how many grams of solid precipitate will be formed. Ho
If your reaction vial is wet with water when you start the nitration reaction of methyl benzoate, there may be no solid product formed at the end when you pour the reaction mixture into water. Consi
Using activity coeffient, calculate the pH of a 0.001M HCl solution. If you add a 0.010M solution of NaCl to this solution, will the pH increase, decrease or remain the same
which reactions might lead to 1-bromobutane a. 1-butanol +NaBr b. 1-Butanul +NaBr/H3PO4 c. 1-butanul + KBr / H2SO4 d. 1-Butanul +NaBr/ HCl
Propane and Methane are other hydrocarbon fuels. If a 1000 g sample of each of these compressed gases was taken on a camping trip which one would contain the larger number of moles. Show a calculati
When light of frequency 1.30x 1015 s-1 shines on the surface of cesium metal, electrons are ejected with a maximum kinetic energy of 5.2x 10-19 J. Calculate the wavelength of this light in nm.
The bright-red color of highway safety flares comes from strontium ions in salts such as Sr(NO3)2 and SrCO3. Burning a flare produces strontium ions in excited states,
Use standard enthalpies of formation to determine ?Horxn for: 3NO2(g) + H2O(l) ? 2HNO3(aq) + NO(g) Enter in kJ. Find the change in internal energy for this reaction. Enter in kJ.
What are the possibilities of the experimental error. Why is the zero order correlation coefficient better than first order
Calculate the quantity of energy produced per mole of -235 (atomic mass = 235.043922 ) for the neutron-induced fission of -235 to produce -137 (atomic mass = 136.9253 ) and -97 (atomic mass = 96.910
Phenacetin has the structure shown. Write an equation for its preparation, staring from 4-ethoxyaniline.
When cyclohexane (C6H12) is burned in excess oxygen to produce carbon dioxide gas and liquid water, it releases 3919kJ of heat per mole of cyclohexane burned.
Will the reaction shift towards the products or the reactants if Ag+ Ions are added to this equilibrium. CoCl4^2-(aq) + 6H2O(l) <--> Co(H2O)6^2+(aq) + 4Cl-(aq)
If 0.130 g of p-aminophenol is allowed to react with excess acetic anhydride, what is the theoretical yield of acetaminophen in moles. In grams
Why should you use a minimum amount of water to rinse the conical vial while transferring the purified acetaminoophen to the Hirsch funnel
In the reaction between p-aminophenol and aetic anhydride to form acetaminophen, 0.450 mL of water was added. What was the purpose of the water
How many grams of dry NH4Cl need to be added to 1.60L of a 0.700M solution of ammonia NH3 to prepare a buffer solution that has a pH of 8.98 Kb for ammonia is 1.8X10^-5 Express your answer (mass of
What's a net zero molecular dipole moment. and explain specifically why does [IF2]- have a net zero molecular dipole moment
What is the pH of a buffer prepared by adding 0.809 of the weak acid HA to 0.305 of NAH in 2.00 L of solution. The dissociation constant Ka of HA is of is (5.66 X 10^{-7})
How many grams of dry NH_4Cl need to be added to 1.60 of a 0.700 solution of ammonia, , to prepare a buffer solution that has a of 8.98. for ammonia is.
Write the balanced chemical equation that corresponds to this reaction. B) If 15g cyclohexane is burned in a calorimeter with a heat capacity of 230kJ/K, what temperature change do you expect
I don't understand don't we draw a lewis structure first and add 2 lone pairs to complete the octet making it a tetrahedral. how does it only have 3 covalent bonds
Derive a curve for the titration of 50.00mL of a 0.1000 M solution of Compound A with a 0.2000 M solution of compound B in the following list. For each titration, calculate the pH afterthe addition
What is the mRNA sequence for the following segment of DNA: GACTATCCCATAGAG Based upon the mRNA sequence, what is the peptide sequence
(a) Given that the molar mass of H3PO4 is 97.994 grams, determine the number of grams of H3PO4 needed to prepare 0.35L of a 1.25M H3PO4 solution. (b) What volume, in Liters, of a 1.25 M H3PO4 solut