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If you thoroughly mix 25 mL of a liquid chemical, whose density is 0.95 g mL -1, with 200 mL of water, what is the concentration of the chemical in the resulting solution in g per L?
How much H2O is produced when 20000 g of C2H2 burns completely? Answer in units of grams
Reaction of AsCl3 with Cl2 at low temperature yields a product, believed to be AsCl5, which shows Raman bands at 437,369, 295, 220,213, and 3cm-1. Detailed analysis of the 369 and 295 cm-1 bands show them to arise from totally symmetric modes.
Suppose a certain substance has a heat of vaporization of 34.00 kJ/mol. Explain at what Kelvin temperature will the vapor pressure be 3.50 times higher than it was at 323 K
Draw a structure containing only carbon and hydrogen that is a chiral alkyne with six carbon atoms. (Wedge/dash bonds are omitted for simplicity.)
In a titration reaction 25cm3 of 0.1M HCl neutralized 20 cm3 of NaOH. Calculate the concentration of the alkali in moles per litre.
Predict stereochemistry of the products formed if the addition of bromine to fumaric acid occurs via Syn addition
Calculate the wavelength of an 81kg athlete running a 4 minute mile. calculate in nanometers.
Analysis with an elaborate instrument indicates that substance A contains two elements. Substance B and substance C react to give a new substance D.
Describe the transition using term symbols. Compute the wavelength, frequency and wavenumber of the transition. by how much does the mean radius of the electron change due to the transition.
Combustion of 3.00 g of this compound produced 7.06 g of CO2 and 1.93 g of H2O. What is the empirical formula of the unknown compound?
A student is given four solid samples labeled W, X, Y and Z. She is told that the solids could be gold, lead (II) sulfide, silicon dioxide (quartz) and iodine. The results of her investigation are:
the following reaction is carried out in a bomb calorimeter 4nh3 g 5o2 g--gt4no g6h2o gthe calorimeter constant is
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