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Suppose you have a solution of acid HF with concentration of 0.003M. What would the concentration of H+ and F- be at equilibrium?
a freshman is currently enjoying the arts studio program she is pursuing at a well-known university. in her free time
Calculate the pH of a solution formed by mixing 10.0 mL of 0.100 M HBr with 20.0 mL of 0.200 M HCl.
The letter designations for the first four sublevels with the number of electrons that can be accommodated in each sublevel are what
The rate constants of some reactions double with every 10 degree rise in temperature. Assume that a reaction takes place at 340 K and 350 K. What must the activation energy be for the rate constant to double as described
A balloon containing 6.40 g of nitrogen, N2, has a volume of 5.00 L. What mass of hydrogen, H2, must be added to the balloon to expand its volume to 11.0 L
Which quantity would be constant (temperature, volume, pressure, moles, or would none be constant) if you were to fill a propane gas tank to a certain number of pounds?
draw the newman projection of butane along the C2-C3 bond where the dihedral angle between the two methyl groups is 60
A 51.0 g sample of ethylene glycol, HOCH2CH2OH, is dissolved in 540.0 g of water. The vapor pressure of water at 32°C is 35.7 mm Hg. What is the vapor pressure of the water-ethylene glycol solution at 32°C? (ethylene glycol is nonvolatile.)
Write the name and formula of 10 substances that you would not be appreciably soluble in water.
How many grams of NaOH are in a 225.0 mL sample of a 2.5 M solution of NaOH? (Molar mass of NaOH is 40.0 g/mol)
what is the enthalpy change corresponding to the melting of 2.5 moles of H2O? what is the system? What is the surrounding? In what direction does the heat flow? Is the process endothermic or exothermic?
If you needed to determine the molarity of an acetic acid solution, CH3COOH, how would you proceed? CH3COOH(aq)+H2O(l) H3O^+(aq)+CH3COO^-(aq)
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