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1.) The sides of a rectangular block of solid copper metal are measured to be 8.26 cm, 29.84 cm and 0.92 cm (length, width and height). Determine the volume of this block in cm3 to the correct number of significant figures.
2.) Suppose your car is rated at 51 mi/gal for highway use and 29 mi/gal for city driving. If you wanted to write you friend in Spain about your car's mileage, what ratings in kilometers per liter would you report?
3.) Make the following conversions.
1.258 kg lead to its volume in cubic centimeters.
254 mL ethanol to its mass in grams
3.5 in3 of mercury to its volume in milliliters and its mass in kilograms volume
a) Draw the product of the reaction of propanal with lithium aluminum hydride, followed by water. b) Draw the product of the reaction of propanal with methylmagnesium iodide, followed by dilute acid
Suppose that 1.06 g of rubbing alcohol (C3H8O) evaporates from a 64.0-g aluminum block. If the aluminum block is initially at 38°C, what is the final temperature of the block
When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 14.4 g of carbon were burned in the presence of 50.6 g of oxygen, 12.2 g of oxygen remained unreacted. What mass of carbon dioxide was produced
Calculate the delta H reaction for the combustion of glucose (C6H12O6) using delta H(f knot) values. Calculate the delta H(f knot) of glucose to be used in the above calculation using the following information. (must be calculated, not looked up).
Draw the valence electron structures (Lewis structures) for the following atoms: Magnesium, Carbon, Bromine, Neon.
Draw skeletal structure of major product for 1-iodo-4-methyl cyclohexane when reacted with NaSCh2Ch3
formulate a complete mechanism for the thiamine-catalyzed conversion of benzaldehyde to benzoin
Allicin is the compound responsible for the characteristic smell of garlic. An analysis of the compound gives the following percent composition by mass: C: 44.4%; H: 6.21%; S:39.5%; O: 9.86%. What is its empirical formula
Consider the titration of 30.0 ml of 0.035 M NH3 with 0.025 M HCl. Calculate the pH after the following volumes of titrant have been added.
Aminabhavi et al. [T. M. Aminabhavi, V. B. Patil, M. I. Aralaguppi, J. D. Ortego and K. C. Hansen, J. Chem. Eng. Data 41, 526 (1996)] examined mixtures of cyclohexane with various long-chain alkanes.
Using noble gas (n-1) dx representations write the outer electron configuration for the following ions
Determine the pressure (in atm) inside the can if a metal can of 1.00 qt contains 0.150 grams of Helium at a temperature of 20 degrees Celsius also explain Is this pressure greater or less than standard atmospheric pressure?
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