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A weather balloon contains 8.80 moles of helium at a pressure of 0.992 atm and a temperature of 25 °C at ground level. What is the volume of the balloon under these conditions?
At a given temperature,0.0500 mol NO, 0.200 mol Cl2, and 0.550 mol CINO were placed into a 1.00 L container. The equilibrium below was established and 0.250 mol of CINO is present. Determine the equilibruim constant (Kc).
A scuba divers tank contains 0.29 kg of O2 compressed into a volume of 2.3L. What volume would this oxygen occupy at 24 degrees C and 0.92 atm
The metal used to make the US nickel coin is an alloy of 75% copper and 25% nickel. What maximum mass of alloy could be produced if only 450 kg of nickel and 1180 kg of copper were on hand?
The solubility of magnesium fluoride, MgF2, in water is 0.016 g/L. What is the solubility (in grams per liter) of magnesium fluoride in 0.013 M sodium fluoride, NaF
at 580 nm, the wavelength of its maximum absorption, the complex Fe(SCN)2+ has a molar absorptivity of 7.00 x 10^3 L mol -1cm1-. Calculate
I also need to know the reduction, oxidation and redox equations for the reactions. Please assist. This is required for my lab report.
Draw the structure for the molecule that fits the following description and then name it according to IUPAC formalism. a constitutional isomer of decane
Provide an example of an ionic compound (a salt) that would be slightly basic when dissolved in water. Define why and write the equilibrium reaction that produces OH-
A 4.61*10^-3 mole sample of HY is dissolved in enough H20 to form .086L of solution. If the pH of the solution is 2.64, what is the K_a of HY
A 0.221 g pellet of potassium hydroxide,KOH, is added to 52.2 g water in a Styrofoam coffee cup. The water temperature rises from 23.5 to 24.4 °C.
Why is carbon valency four
Question- When you look at hydrogen through a spectrometer, how many lines do you see? What happens to the spacing between the lines as they get closer to the UV range
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