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Compute the kinetic energy of 1.1 kg of helium gas at 25 C. If this energy could be captured as well as used to accelerate a 1000.0 kg automobile, explain how fast would the car travel on a flat surface (ignoring friction)?
Calculate the mass percent composition of carbon in each the following carbon compounds. C4H10 C6H10 C8H13O5N
when x rays of wavelength 0.084 nm are diffracted by a metallic crystal the angle of first-order diffraction n 1 is
the pH at the equivalence point and the pH after adding 6.0 mL of acid beyond the equivalence point
What significant difference would be expected between a titration curve for H3PO4 (triprotic acid) and a mixture
predict how many grams of calcium chloride would be produced.
how many grams of vinegar are required to react completely with 25.0g of baking soda.
A sample of 4.20 mL of diethylether C2H5OC2H5 density = 0.7134g/mLis introduced into a 4.90-L vessel that already contains a mixture of N2 and O2, whose partial pressures are P(N2) = 0.750 atm and P(O2) = 0.206 atm.
A 0.160-mole quantity of NiCl2 is added to a liter of 1.20 M NH3 solution. What is the concentration of Ni2 ions at equilibrium. Assume the formation constant* of Ni(NH3)62 is 5.5 × 108.
Given the three isomeric alcohols, 2,2-dimethyl-1-butanol, 2-methyl-2-pentanol, and 2-methyl-3-pentanol, which are chiral
a 0.4196 grams xhx mole fraction of hx solution of an acid hx has a density 1.141 gml and the molar mass of the acid
To prevent tank rupture during deep-space travel, an engineering team is studying the effect of temperature on gases confined to small volumes. What is the pressure of 2.20 mol of gas \rm D measured at 251 ^\circ \rm C in a 1.75-\rm L container as..
gold can be hammered into extremely thin sheets called gold leaf. if a 202-mg piece of gold density 19.32 gcm3 is
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