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If an astronaut on the Moon dropped a hammer, would there be sound? Explain. (Follow-up: How do astronauts communicate with each other and with mission control?)
In one of your laboratory experiments, you determine the equilibrium; you determine the equilibrium constant for this process, at 225, is 7.048E-72. You are given a table of data that indicates the standard heat of formation (ΔHo Form) of Cu2O is ..
one of the lines in the emission spectrum of sodim has a wavelength of 590 nm. what is the frequeuncy of this line?
How many grams of sodium formate, NaCHO2, would have to be dissolved in 1.2 L of 0.39 M formic acid (pKa 3.74) to make the solution a buffer for pH 3.71
How do I convert moles of cobalt per liter, to mg cobalt per kg of soil? Originally the cobalt was extracted from the soil, dissolved in water and concentrated by a factor of 10,000 to prepare one liter of solution.
Calculate the Ka for the acid. The answer is not 8.734*10^-12. The hint says something about using the the orginal H+ value 10^-7 of the water.
If a solution contains 0.01M Ca^2+, 0.01 M Zn^2+, and 0.01 M Ni^2+ ions and you want to separate them using aqueous (NH4)2C2O2, which ion will precipitate first as an ozalate, CaC2O4, ZnC2O4, or NiC2O4
ir wavelengths ultraviolet radiation is of particular relevance to a study of the ozone layer. why? what about uv
Considering the combustion of propane, how many grams of O2 are needed to completely burn 32.1g of C3H8
Calculate the entropy change associated with the isothermal expansion of 5.40 mol of ideal gas atoms
Discuss why hydroboration of 1-hexene provides the non-Markovnikov product and not the Markovnikov product. Contrast the major product of hydroboration (addition of H-OH) obtained in this experiment with the major product resulting from the additi..
A reaction is A--->P with the a reaction order of 2/3 with respect to A. What is the integrated rate law expression for this reaction, starting with the differential form of the rate law
a laboratory sample of gas is known to have a carbon monoxide concentration of 50 ppm. a spectrophotometer is used to
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