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Methane (CH4) has a tetrahedral structure similar to that of Si02, with a carbon atom of radius 0.77x10-8 cm at the center and hydrogen atoms of radius 0.46x10-8 cm at four of the eight corners. Calculate the size of the tetrahedral cube for methane.
A zero-order reaction has a constant rate of 3.50×10-4 M/rm s. If after 65.0 seconds the concentration has dropped to 1.00×10-2 M, what was the initial concentration?
Pre-Lab Assignment- Understanding Activity 3 in this manual and significant figures and uncertainty in measurements in general will help you answer the last two questions
If 10.0 mL of blood plasma has a mass of 10.279 g and contains 0.870 g of protein, what is the mass/mass percent concentration of the sample
mixtures of helium and oxygen are used in scuba diving tanks to help prevent the bends. for a particular dive 29.0 l of
Calculate the density of hydrogen sulfide gas, H2S, at 60.°C and 953 mmHg. Obtain the density in grams per liter.
At 50oC, the autoionization constant for pure water, Kw, is 5.47e-14. What is the hydronium ion concentration in pure water at this temperature
A voltaic cell is based on the reaction Sn(s)+ I2 (s) --> Sn^2+ (aq)+ 2I^- (aq). Under standard conditions, what is the maximum electrical work, in joules, that the cell can accomplish if 70.0 g of Sn is consumed?
The solubility of manganese(II) carbonate is 5.4 × 10-4 g/L. What is the solubility product constant for manganese(II) carbonate
The order of Stability of these carbocations (butane): Tertiary, Secondary, Primary. Is this order of stability consistent with Markovnikov's rule for the addition of hydrogen halides to alkenes
What is the molarity of a solution that was prepared by adding 100ml of 0.225M KBr solution to 500ml of water
The difference in the mercury levels in the two arms of the manometer was 11.8 cm. Atmospheric pressure was 783 mm Hg. The pressure of the argon in the container was __________ mm Hg.
A certain aldose is added to an aqueous sodium hydroxide solution. After equilibrium is reached it is found that there are 3 open chain sugars in the solution. Draw the enediol that is believed to be the intermediate.
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