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Problem- 5.00 mL of stock solution of 1.00 x 10^-4 M (0.0001 M) aqueous iodine was added to 10.00 mL of 0.5 KI solution. How do you calculate the concentration of triiodide in diluted solution?
Express your answers to three significant figures separated by comma.
Question- When 1.14 g of octane (molar mass = 114 g/mol) reacts with excess oxygen in a constant volume calorimeter, the temperature of the calorimeter increases by 10.0°C. The heat capacity of the calorimeter is 6.97 kJ/°C. Determine the energy f..
what should this person do from this point on to get a reasonable yield of 1-octanol?
Suppose you have 5.00 g of powdered magnesium metal, 1.00 L of 2.00 M potassium nitrate solution, and 1.00 L of 2.00 M silver nitrate solution. (a) Which one of the solutions will react with the magnesium powder?
a) Write the next ionic equations for the precipitation reaction or reactions that occur. b) What are the spectator ions in the solution?
It takes 48.0 to raise the temperature of an 9.10 piece of unknown metal from 13.0 to 25.0. What is the specific heat for the metal?
The molar heat of combustion of CH4 is 882 kJ/mole. How many kJ of Heat are produced when 675g of CH4 are combusted
two moles of he gas are at 23 degrees c and a pressure of 220 kpa. if the gas is heated to 44 degrees c and its
We have been assuming that the change in U at a constant T is 0; for this problem, do a derivation that provesdu/dp)T =0 for a perfect gas in a closed system.
The Balmer series of transitions for the hydrogen atom result in absorption of photons that all originate from the n = 2 level. What are the longest and shortest wavelength photons in the Balmer sequence?
Explain the increasing boiling point as you move from methane to ammonia to water be explicit as to what forces are acting on these molecules and how you know.
The bolts that hold the cover of this port onto the vessel can safely withstand a force of 4.70. Calculate the maximum safe diameter w of the port. Round your answer to the nearest 0.1cm
Calculate the energy in joules required to ionize a hydrogen atom when its electron is initially in the n = 4 energy level.
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