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A 2.50 L flask at 17.0 degrees Celcius contains a misture of three gases, N2, He, and CO2, at partial pressures of 0.32 atm, 0.25atm and 0.40atm respectively. a. calculate the total pressure of the gas mixture b. calculate the volume, in litres at STP, occupied by the N2 and He if the CO2 was selectively removed.
Important information about Chair Conformation, Circle the least stable conformation as well.
if 83.7 grams of aluminum al and 195.2 grams of sulfur s are put into a container and allowed to react according to the
A 1-L flask is filled with 1.30g of argon at 25C . A sample of ethane vapor is added to the same flask until the total pressure is 1.00 atm. What is the pressure of argon Par in the flask. What is the partial pressure of ethane, Pethane, in the fl..
Write the balanced equation for neutralization of sulfuric acid and sodium hydroxide. How many mL of a 0.2 M solution of sodium hydroxide would be required to neutralize
IV solutions used in medicine must exert the same osmotic pressure as blood to prevent a net flow of water into or out of the blood cells. The proper concentration for an IV NaCl solution is .90 g NaCl per 100 ml of water.
Consider the titration of a 24.0 mL sample of .175 M of CH3NH2 with .155 M HBr. Determing each of the following: the volume of added acid required to reach the equivalence point
Why isn't the pH at the equivalence point always equal to 7 in a neutralization titration? When would it be 7?
How many atoms of carbon are present in 73 g of a compound that is 83.3% carbon, by weight?
Write a charge balance equation and mass balance equation for the following solutions a. 0.10 M NaCl
Calculate the pH of a buffer solution made by adding 10.0 g of anhydrous sodium acetate (NaC2H3O2) to 100mL of 0.100 M acetic acid (HC2H3O2).
a rolling axle 1.50 m long is pushed along horizontal rails at a constant speed v3.00 ms. a resistor r0.400omega is
When 50 grams of iron absorbs 1.0 kJ of heat its temperature increases by forty degrees celsius. What is the molar heat capacity of iron?
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