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Find the number of representative particles in each given substance 1) 3.00 mol Sn,2) 0.400 mol KCl,3) 7.50 mol SO2,4) 4.80 X 10^-3
When solutions of AgNO3, silver nitrate and NaCl ,sodium chloride are mixed, with AgCl silver chloride precipitates out of solution according to this given equation: AgNO3(aq) + NaCl(aq) > AgCl(s) + NaNO3(aq) determine what mass of AgCl silver chloride can be formed from 1.03L of a 0.132M solution of AgNO3 silver nitrate
According to the following reaction, how many moles of mercury(II) oxide are necessary to form 0.896 moles oxygen gas
As a result, the pressure inside the vessel drops to 30.64 atm at 25 C. Calculate the final percent by mass of ozone in the vessel.
Why is acceptable to use a mixture of the alpha and beta anomers of D-(+)-mannose in this reaction? (i.e. why isn't it necessary to use either a pure alpha or the pure beta anomer? 2. What is the role of ferric chloride?
If 5 mL of the original unknown sample was diluted to 200 mL prior to analysis, what is the concentration of Li+ in the original solution?
A 4.40 g piece of solid CO2( dry ice) is allowed to vaporize(change to gas) in a ballon. The final volume of balloon is 1.00 L at 300L. What is the pressure of the gas?
find the density of a substance with a mass of 51.2g and a volume of
A gaseous mixture of O2 and N2 contains 36.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 685 mmHg.
If a molecule will form a secondary carbocation after withdrawal of the leaving group, does that favor Sn1 (formation of the carbocation intermediate) or Sn2 (straight to the products)
Consider the reaction 2 Al2O3(s) → 4 Al(s) + 3 O2(g). ?H = +3339.6 kJ/mol What is ?H for the formation of one mole of Al2O3(s) from the elements
A 0.003525-mol sample of an organic compound was burned in oxygen in a bomb calorimeter. The temperature of the calorimeter increased from 24.5oC to 26.7oC.
The equilibrium constant for H2(g)+I2(g)->2HI at 40 oC is 20. The vapor [pressure of solid iodine at 40 oC is 0.1 bar. 12.7 g of solid iodine is placed in a 10 L vessel. What is the minimum amount of hydrogen that must be placed in the bulb to rem..
Three gases (8.00 g of methane,CH4 , 18.0 g of ethane, C2H6, and an unknown amount of propane,C3H8) were added to the same 10.0L- container. At 23.0 °C, the total pressure in the container is 4.10 atm. Calculate the partial pressure of each gas in..
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