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1) How many of the following names are incorrect? 3-methylbutane 5-ethyl-3-methylhexane 1,3-dimethylpentane 2)How many of the following names are incorrect? 3-ethylhexane 4-ethyl-2,2-dimethyloctane 3-ethyl-3-methyloctane 3) What is the formula of 3-ethylhexane? 4)What is the formula of 3-ethyl-3-methyloctane? 5) What is the formula of 2,3,4,5-tetramethyldecane? 6) What is the formula of 1,5-dimethylcyclohexane? 7)What is the formula of cis-2-butene? 8)Which of the following compounds is expected to have the highest boiling point? CH3CH2CH3, CH3CH2CH2CH3, CH3CH3 9)Which of the following compounds is expected to have the highest boiling point? cyclobutane, cyclopentane, cyclohexane 10) Which of the following compounds is expected to have the highest boiling point? octane, 2,3-dimethylhexane, 2,2,3,3-tetramethylbutane
What are the molality and mole fraction of solute in a 29.3 percent by mass aqueous solution of formic acid (CH3OH)?
a typical aspirin tablet contains 324 mg of aspirin (acetylsalicylic acid, C9H8O4, Ka = 3.0×10-4). Imagine you dissolve two aspirin tablets in a 275 mL glass of water. Calculate the solution's pH.
Magnesium has three isotopes, Mg-24, Mg-25, and Mg-26. The percentage abundance of each in order is 78.70%, 10.13%, 11.17%.
calculate the activation energy for diffusion for a system where the diffusion coefficient doubles its value from 700k to 1200k. R=8.314J/molk.
Following a terrorist release of Cesium-137 (half-life of 30 years) in downtown, clean up efforts were successful in removing all but 100 curies. How long will it take for the contamination to decay to about 5 curies?
how many moles of oxygen gas will be produced by the decomposition of 111.5 g of lead(II)oxide.
what is the rate constant for this reaction at 398 K ? I know that the answer is 1.2 s-1 but I don't know how to get it . Can anyone explain it to me please?
Calculate the amount of heat [kcal] released when 50.0 g of steam at 100 °C hits the skin, condenses, and cools to a body temperature of 37 °C.
a 150.0 g sample of metal at 80 c is added to 1500.0g of H2O at 20 c. the temperature rises to 23.3 c. assuming that the calorimeter is a perfect insulator, what is the specific heat of the metal.
According to the above expression how many moles of KHC8H4O4 are needed to neutralize 25.00 mL of 0.10 M NaOH
The international unit for weighing diamonds and determine the volume of a 0.76 carat diamond if The density of diamond is given=3.51 g/cm3 ?express your answer in units of cm3
A carboxylic acid favours the ion form (R-COO-) and its pH is higher than its pKa. In most membranes, the polar heads of the phospholipids align towards the middle of the membrane.
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