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Borazine B3 N3H6 is isoelectonic with benzene. Explain qualitatively the bonding in this molecule in resonance as well as molecular orbital theory.
osmium has a density of 22.6 gcm3. what volume would be occupied by a 21.8 g sample of
Draw a molecular orbital diagram for the p electrons in the cyclopentadiene anion. Be sure your diagram: Is drawn to scale (with respect to the energy axis)
how many grams of ice will still be present when the contents of the pitcher reach final temperaturethe tea is mostly water so assume that it has the same density (1g/mL), molar mass, heat capacity (75.3J/K/mol), and heat of fusion(6 kJ/mol) as pu..
Sodium bicarbonate is called baking soda because when heated, it releases carbon dioxide gas, which is responsible for the rising of cookies, doughnuts, and bread. Calculate the volume (in liters) of carbon dioxide by heating 4.37 g of sodium bica..
100.0 g of nickel at 150 degc was placed in 1.00 l of water at 25.0 degc. the final temperature of the nickel-water
Explain in detail why these bacteria don't begin to excrete this metabolite before using up the phenylalanine in the medium.
When a sample of phosphorus-32 was placed 1 cm from the detector, the intensity of its radiation was measured to be 491 counts per second. What would its activity be 2 cm from the detector
The heat of vaporization of 1.0 mole of water at 100°C and 1.0 atm is 40.6 kJ. Calculate the change in entropy for the process H2O(l) → H2O(g). Document your work here.
the freezing point of ethanol c2h5oh is -114.6 degrees c and the molal freezing point depression constant for ethanol
In Europe, gasoline efficiency is measured in km/L . If your car's gas mileage is 30.0 miles/gal, how many liters of gasoline would you need to buy to complete a 284- km trip in Europe?
a boy titrates fifty mili litres of apple juice and observes the givenfinal buret reading- 17.86 ml initial buret
What is the molarity of a solution that contains 41.0 g of vitamin B1 hydrochloride (molar mass = 337 g/mol}) in 280 mL of solution?
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