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A solid aluminum sphere has a mass of 87g. How do you use the density of aluminum to find the radius of the sphere in inches?
what advantage does using the Wiley extractor have over simply pouring acetone over the meat again and again?
A room contains 12,000 ft.³ of air at 75°F and 29.7 inches Hg Absolute. The air has a dew point of 60°F. How many pounds of water vapor are in the air
When an interfering substance M is present, a fluoride ion selective electrode obeys the following modified response equation
The empirical formula of styrene is CH, its molecular weight is 104.1. What is the molecular formula of styrene
according to the following reaction how many grams of ammonia will be formed upon the complete reaction of 30.1 grams
1.) What mass of NaCl is dissolved in 200. g of water if the freezing point of the solution is -2.14 °C. Kf(water) = 1.86 ºC kg/mol
Balance the equation and calssify the reactions. if an oxidation reduction occurs write the half reactions and identify the oxidizing and reducing agents.
A 12-gram mixture of methane, CH4, and ethane, C2H6, is completely combusted in oxygen. If the total mass of H2O produced is 23.4 grams, what was the approximate mass of the methane in the original mixture?
Define the terms exothermic and endothermic. In a calorimetric experiment, how does one determine whether a reaction is one or the other?
Calculate the equivalent weight of the unknown weak acid (g/eq). Calculate the molecular weight of the acid described in Question 1 (g/mol).
What is the product when phenylmagnesiumbromide (grinard reagent) is reacted with Ch3Ch2CN in ether and H3o+?
M. tuberculosis, the organism that causes tuberculosis, can be completely destoryed by irradiation with UV light with a wavelength of 254 nm. What is the frequency?
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