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Cyanogen is a gas which encloses 46.2% C and 53.8% N by mass. At a temperature of 25C as well as a pressure of 750 mm Hg, 1.50 g of cyanogen occupies 0.714 L. Explain what is the molecular formula of cyanogen?
how did rutherford interpret the observation that only a very few of the a particles were scattered by the gold foil
the volume of blood in the body of a certain deep-sea diver is about 5.63 l. blood cells make up about 55 of the blood
C19 H17 Cl F N3 O5 S (all one compound, spaced them so it's easier to see) contains 8 double bonds. How many rings are present. (note treat sulfur as you would oxygen)
What is the theoretical yield in grams of CuS for the following reaction given that you start with 15.5 g of Na2S and 12.1 g CuSO4? Reaction: Na2S + CuSO4 ? Na2SO4 + CuS
Explain while sodium metal comes into contact with water, hydrogen bubbles out of the solution presenting a potential fire hazard. 2 Na(s) + 2 H2O ? 2 NaOH(aq) + H2(g). Compute the mass of hydrogen gas produced by adding 20 g of sodium metal to exce..
A studet determined the percentage KHP in an impure sample of KHP . a 3.150g sample of impure KHP required 41.50 mL of 0.1352M NaOH solution for titration.1) calculate the number of moles of NaOH required for this titration
calculate the final temperature of a mixture of 130.0 g of ice initially at -22.5 Celsius and 310.0 g of water initially at 80.5 Celsius.
An unknown element, X, reacts with sulfur to form an ionic compound having the empirical formula (S is sulfur). If the ion X has 21 electrons, identify the element
electromagnetic radiation has an energy of 926 j. the wavelength of this radiation is 856 nm. how many photons are
As he was looking for the baking soda he found something else that would help alleviate the rash. What could've AJ used to help with the diaper rash?
Depict the complete mechanism for the hydroboration-oxidation of 1-octene into 1-octanol and 2-octanol this means as well drawing out the three repetitive steps to obtain BR3, the two repetitive steps during oxidation
At what radius in the H atom does the radial distribution function of the ground state have a) 50 percent b) 75 percent of its maximum value
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