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A gas occupying 28mL at standard conditions is heated to 18C while the pressure is reduced to 0.98221 atm. What is the new volume occupied by the gas? Answer in units of mL.
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Use the simulator for the hydrogen atom (https://phet.colorado.edu/en/simulation/hydrogen-atom) to estimate the energy needed to transfer one mole of electrons from the energy level n = 1 to the level n = 3.
How many formula units of barium fluoride (BaF2) are in 1.63g of BaF2 How many formula units of aluminum chloride (AlCl3) are in 0.582g of AlCl3 How many grams of caffeine (C8H10N4O2) contain 2.53×10^24 molecules of caff ...
Vinegar is an aqueous solution of acetic acid CH3OOH. A10 mL sample of a particular vinegar requires 31.45 mL of 0.2560 Mof KOH for its titration. What is the molarity of acetic acid in vinegar?
What is the chemical name for S6O and what is the chemical name for S7O2?
An analysis of an oxide of nitrogen with a molecular weight of92.02 amu gave 69.57% oxygen and 30.43 % nitrogen. What is the empirical formula of the compound?
Give an example of when heat is released from water as it undergoes a change of phase.
Assume that you dissolve 10.2 g of a mixture of NaOH and Ba(OH)2 in 227.0 mL of water and titrate with 1.47M hydrochloric acid. The titration is complete when 107.8 mL of the acid has been added. What is the mass (in gra ...
A power plant converts the heat energy in coal to electricity with 35% efficiency. Transmission losses are 10%. A factory then uses that electricity to make hydrogen with 50% efficiency, which is used in a fuel cell to m ...
Calculate the volume of 6.0M NaOH solution that you would need to prepare 500mL of a .15M NaOH solution. (formula weight of NaOH = 40.00g/m)
What could a source of error be during a titration lab that is not a humans fault?
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
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