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Why does ionization of a tertiary substrate proceed at a rate faster than that of a secondary substrate?
How would doubling the concentration of the nucleophile affect the rate of an SN1 reaction?
How can you tell which product will undergo SN1 or SN2 reaction?
Diphosphorus pentoxide is added to water Hydrogen sulfide gas is bubbled through a solution of silver nitrate
A 0.0678g sample of tin sulfate was dissolved in dilute HCl and treated with 10% BaCl2 solution. The BaSO4 precipitate weighed 0.0737 g. Determine the formula of this sulfate of tin.
A sample of S8 (g) is placed in a container at 1325 K at an initial pressure of 1.00 atm, where it decomposes to S2 (g) by the reaction, S8 (g) 4S2 (g), At equilibrium, the partial pressure of S8 (g) is 0.25 atm. The Kp at 1325K is
Which of the following solutions has the highest osmotic pressure? A. 1.0 M K3PO4 B. 2.0 M LiBr C. 4.0 M C6H12)6 D. all have the same osmotic pressure
A sample of 10.7 g of CO reacts completely with O2 to form CO2. How many grams of CO2 will be formed
Light hits a sodium metal surface and the velocity of the ejected electron is 6.61 x 105 m.s-1. The work function for sodium is 150.6 kJ.mol-1. What is the frequency of the incident light on the sodium metal surface
If the reaction of 2.50 g of aluminum with 2.50 g of oxygen produced 3.50 g of aluminum oxide, What is the % yield of the reaction?
Derive the rate law expression for the chlorination of vinyl chloride based on this mechanism.
For the next three problems, consider 1.0 L of a solution which is 0.3 M HC2H3O2 and 0.2 M NaC2H3O2 (Ka for HC2H3O2 = 1.8 x 10-5). Assume 2 significant figures in all of the given concentrations so that you should calculate all of the following pH..
How many grams of pyridine are there in 100 mL of an aqueous solution that has a pH of 9.00? The Kb for pyridine is 1.9x10^-9
Which statement best describes the polarity of CF2Br2. The molecule is always nonpolar The molecule is always polar Depending on the arrangement of outer atoms, this molecule can be polar or non polar
Tell which of the following compounds is likely to have a dipole moment, and show the direction of each. (a) SF6 (b) H2C=CH2 (c) CHCl3 (d) CH2Cl2
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