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[H+] of the rainfall over Washington, DC is 3.163*10-5 moles/liter. what is the ph of the rainwater?
STP corresponded to conditions of "standard" temperature (T=0°C) and standard pressure (p= 1 atm). At STP, 1 L of Br2 reacts totally with 3 L of F2 to form 2 L of a product. What is the formula of the product?
Based off of pka values of 10 for phenol and 6.4 for carbonic acid, would sodium bicarbonate be a suitable base for separating phenol from a neutral organic compound via aqueous extraction?
Write both an equations using Lewis Structures and a balanced chemical equations for the following reactions: Silicon atoms and Chlorine molecules Lithium atoms and Bromine molecules Ethylene molecules
The emf of a cell made of a Zn anode and hydrogen cathode immersed in 0.5M ZnCl2 is +0.590V. What is the pH of the solution. Use the Nernst Equation
When a 8.37-g mixture of methane, CH4, and ethane, C2H6, is burned in oxygen at constant pressure, 445.8 kJ of heat is liberated. What is the percentage by mass of CH4 in the mixture
Write the formula for each of the following compounds, being sure to use brackets to indicate the coordination sphere.
assuming ideal gas behavior 1.00atm and 37 celcius calculate the volume of co2 produced by this power
Determine the molarity of a solution of the weak acid HCl)2; Ka = 1.10*10^-2 if it has a ph of 1.25.
interpet the given equation in terms of relative numbers of representative particles numbers of moles and masses of
A 10.0 mL sample of aqueous HCl requires 24.32 mL of 0.134 M NaOH to reach the endpoint. What is the molar concentration of HCl. The equation for the reaction is:
The shielding of electrons gives rise to an effective nuclear charge,Zeff , which explains why boron is larger than oxygen. Estimate the approximate Zeff felt by a valence electron of boron and oxygen, respectively
the hope diamond weighs 44.0 carats. determine the volume occupied by the diamond given that its density is 3.5 gcm3 at
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