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At constant pressure, a sample of gas occupies 420 mL at 210 K. What volume does the gas occupy at 250 K?
albr3 is sold as a solution in ch2br2. this is a rather exotic solvent and somewhat difficult to work with as well
Explain why is it significant to add the solution of bromine quickly as well as in one portion to the test tube containing the aromatic substrate
copper metal has a density of 8.92 gcm cubed at 20 degrees c and 8.83 gcm cubed at 100 degrees c. calculate the change
Calculate the mole fraction of the salt in the solution.
Identify which of the following are oxidation-reduction reactions, and if they are, identify the oxidizing agent, the reducing agent, the substance being oxidized, and the substance being reduced.
Calculate the concentration of chloride ions in a saturated lead(II) chloride (Ksp = 2.4 ? 10-4) solution.
Write a reaction mechanism for the reaction of (Z) 3-methyl-3-hexane with Cl2 and H2O. Use curved arrows to show electron movements and clearly show the structures of the reaction intermediates and the final product.
Express the pressure values numerically in atmospheres, separated by commas. Enter the partial pressure of methane first, then ethane, then propane.
Compute the number of grams of sodium in 5.0 g of each of the subsequent sodium-containing food additives. NaCl (table salt)
What is the mass (in kg) of helium if it filled a square room if the room has walls that are 9.5 feet high and 9.5 long and the density of helium is 0.18 g/L
Calculate the percent ionization of hydrazoic acid (HN3) in solutions of each of the following concentrations
A galvanic cell is produced as follows: Left half-cell has a Pt wire dipping into a beaker containing an equimolar mixture of Cr+2 and Cr+3 . [Cr3+ + e-??Cr+2 E°-= -0.42 V] Right hand cell has a Tl rod immersed in 1.00 M TlClO4.
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