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The escape velocity necessary for objects to leave the gravitational field of the earth is 11.2kms-1. calculate the ratio of the escape velocity to the root mean square speed of helium,argon, and xenon atoms a 2000k. does your result help explain the low abundance of helium in the atmosphere? explain.
in the manufacture of nitric acid by the oxidation of ammonia the first product is nitricnbspoxide. the nitric oxide is
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.240 M HClO(aq) with 0.240 M KOH(aq). The ionization constant for HClO can be found here (4.0×10-8).
Find the molcular heat capacity in units. Does the law hold up? Can you distinguish a metallic element from a nonmetal this way. Metalloids
Boron nitride, BN, has a graphite-like layered structure in which the layers have eclipsed alignment where the B and N atoms in alternative layers in the direction perpendicular to the layers. Rationalize the difference between this structure and ..
What is the percent by mass of NaHCO3 in a solution containing 70 g of NaHCO3 dissolved in 700 mL of H2O?
Carbon dioxide makes up approximately 0.04% of the Earth's atmosphere. If you collect a 2.0L sample from the atmosphere at sea level (1.00 atm) on a warm day
In the (unbalanced) photosynthesis reaction above, Fill in the Blank 01 kg of glucose are produced if 44 kg of carbon dioxide are consumed. Make sure to balance the equation first.
hydrazoic acid (HN3, Ka = 1.900x10-5) with 0.08699 M KOH, what is the pH after 92.88 mLs of titrant have been added
1) Many household cleaning products contain oxalic acid H2C2O4, , a diprotic acid with the following dissociation constants: Ka1=5.9E-2 and Ka2=6.4E-5 Calculate the equilibrium concentration of C2O4^2- in a 0.20 M solution of oxalic acid
A mixture of KCl and KClO3 weighing 1.55 grams was heated the dry O2 generated occupied 1.4x102 ml at STP. What percent of the original mixture was KClO3 which decomposes as follows
If One gram (1.5 g) of glyceryl trioleate is completely hydrogenated.How many grams of hydrogen was used in the process.
When 10.0 mL of 0.10 M NaCl is added to the beaker containing the AgNO3, the new cell voltage is 0.051 V. Calculate the experimental value of Ksp for AgCl.
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