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If 5.00 g of Cl2 gas is bubbled into one NaI solution, and 5.00 g of liquid bromine is added to the other, calculate the number of grams of elemental iodine is produce in each case.
How much sodium carbonate (kg/day) is required to precipitate 60 mg/L of non-carbonate calcium in a water treatment plant processing 5 MGD.
Which one of the following best describes the C(3)-C(4) bond in 1-butene? a) sp3-sp3 and sigma b) sp2-sp2 and sigma c) sp2-sp3 and sigma d) sp2-sp and sigma e) sigma and pi
A Certain compound has a half-life of 14 minutes at 25C. Its decomposition is a first order process. How much time does it take for a 12 mol sample of this compound decays to 1.5 mol? A: 22 min B:42
The process above was analyzed and it was determined that the rate of appearance of AB2(g) was 2.5*10^-2 M?min at one instant in time. What was the rate of disappearance of B(g) at that same time
What sequence of steps represents the best synthesis of 2-heptanol? a) CH3CH2CH2MgBr (2 moles) + formaldehyde in diethyl ether followed by H3O+ b) CH3CH2CH2CH2MgBr + butanal in diethyl ether followe
The volume of dry gaseous HBr at STP that can be obtained from the reaction of 81.6 grams of PBr3 with excess water is: PBr3(1) + 3H2O(1) ------> H3PO3(1) + 3HBr(g)
A gas occupies a volume of 350 ml at 3000. mm of Hg and 25.0oC. The number of moles of gas present is:
Given 20 grams of CS2 and 3 moles of O2 and the following reaction, the amount of CO2 produced is: CS2 + 3O2 ? CO2 + 2SO2
Choose the most reasonable substance that fits the description in each case:a) Element with higher first ionization energy: Ba or Bi b) Larger ion: Mg2+ or Sr2+ c) Shorter bond length: N2H2 or N2H4
The barometric pressure in a cavern was measured using a mercury barometer. A value of 28.2 inches of Hg was obtained. What's this pressure in a) SI uunit of pressure and b) in atm unit
What is the bond angle expected around the central atom for each of the following compounds: a) OF2 b) BF3 c) CF4
Why does CH3-CH2-O-H have a higher boiling point than CH3- O-CH3 even though they have the same molar mass. Use complete sentences to explain this observation.
Which one of the following compounds is a stereoisomer of cis-1,2-dimethylcyclopentane? a) Methylcyclohexane b) 1,1-Dimethycyclopentane c) trans-1,2-Dimethylcyclopentane d) cis-1,3-Dimethylcyclopen
What reaction will take place between sodium bicarbonate and hydrochloric acid? Please show balanced equation. Help needed to explain whether it is better to include carbonic acid products of break
Which of the following would not be a suitable solvent for a Grignard reaction and why. hexane, methanol, dimethyl ether, acetonitrile, 1,4dioxane.
Given that 10.0 grams of metal at 99.0oC are placed in 50.0 grams of water at 24.0 oC in a perfectly insulated calorimeter. If the final temperature of the mixture is 29.0 oC, the specific heat of t
Discuss the purpose of continuously heating and then cooling the material in the process of polymerase chain reactions.
Organic chemistry uses many different solvents. Which of the following would not be suitable for a Grignard reaction and why. hexane, methanol, dimethyl ether, acetonitrile, 1,4dioxane.
As a side?reaction, organometallic reagents can react with atmospheric CO2 to produce metal carboxylates while the CaCl2 drying tube cannot prevent the incursion of CO2. Explain why this side?reacti
Bromobutane can be converted to butan- ol using aqueous potassuim hydroxide solution. Outline one possible method. that does NOT involve the use of rate experiments, of determining wether the mecha
The density of propene at STP is 1.88 g/L. What is the gram molecular mass of propene. The empirical formula of propene is CH2. What is its molecular formula
Bromobutane can be converted to butanol using aqueous potassuim hydroxide solution. Outline one possible method. that does NOT involve the use of rate experiments, of determining wether the mechanis
The following compound HCN, has: a)one sigma and three pi bonds b)two sigma and two pi bonds c)one sigma and one pi bond d)four sigma bonds
For each of the following syntheses (number of steps shown in brackets), state what reagent(s) you would use (for each step), explain your choice of reagents, and comment on the required order of th