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If an aqueous solution has a hydroxide ion concentration ([OH-]) of 5.94 x 10-5 mol/L, what is the hydronium ion concentration? 4.48 x 10-12 mol/L 1.68 x 10-10 mol/L 3.21 x 10-7 mol/L 2.19 x 10-6 mol/L 6.21 x 10-4 mol/
A sealed balloon is filled with 1.00 L of helium at 23 degrees celsius and 1.00 atm. The baloon rises to a point in the atmosphere where the pressure is 220 torr and the temperature is -31 degrees celsius.
How many milliliters of 0.105 M HCl are needed to completely neutralize 60.0 mL of 0.108 M Ba(OH)2 solution?
If 13.5g of (NH_4)_2SO_4 is dissolved in enough water to form 230mL of solution, what is the molarity of the solution.
A 1.30 g sample of dry ice is added to a 760 mL flask containing nitrogen gas at a temperature of 25.0 degrees Celcius and a pressure of 735 mmHg. The dry ice is allowed to sublime.
Twenty grams of liquid mercury at 98.0 °C is placed in 47.0 g of water initially at 25.0 °C. What is the final temperature of the water, assuming the styrofoam calorimeter absorbs no heat at all?
At constant volume, the heat of combustion of a particular compound is -3973.0 kJ/mol. When 1.481 g of this compound (molar mass = 172.71 g/mol)
A certain microwave oven delivers 702 watts (J/s) of power to a coffee cup containing 67.5 g of water at 25°C. If the wavelength of microwaves in the oven is 9.75 cm
a gas sample occupies 4.20 l under a pressure of 800 torr at 350K.At what temperature will it occupy 3.60 L at the same pressure?
How much heat energy is required to raise the temp. of 0.363 kg of copper from 23.0 C to 60.0 C The specific heat of copper is 0.0920 cal /(g.C).
Draw the enantiomer of cis-1-chloro-3-methylcyclopentane which is R at C-1. 1) What is the configuration of this molecule at C-3 (R and S)?
one day you notice that the outside temperature increase by 16 degrees Fahrenheit between your early morning jog and your lunch at noon. what is the corresponding change in temperature in the Celsius and Kelvin scales?
Write down the product for the reaction; Butane (forward and backward reaction)in the presence of Aluminium bromide and HBr at the temperature of 27 degree celcius/
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