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A 2.50 liter container is filled with 175g of Argon. If the pressure is 10.0 atm, what is the temperature? If the temperature is 225 K, what is the pressure
10.0 mL of a 0.30 M sodium phosphate solution reacts with 20.0 mL of a 0.20 M lead(II) nitrate solution (assume no volume change). What is the concentration of phosphate ions left in solution after the reaction is complete
A 23.45g piece of iron and a 29.95g piece of gold at 100.00C were dropped into 530ml of water at 16.05C. The molar heat capacities of iron and gold are 25.19 (j/mol x C) and 25.41 j/(mol x C). respectively. What is the final temperature of water a..
How did I get a greater than 100% recovery of benzoic acid?, To quickly summarize, the lab dealt with isolating benzoic acid from a mixture via chemically active extraction.
Naphthalene has a relatively high vapor pressure for a solid (because of its volatility, naphthalene is the active ingredient in some brands of mothballs). In view of this, what might happen if you place naphthalene under vacuum or in an oven for ..
For a gas sample of N molecules that consists of N1 molecules of mass m1 and N2 molecules of mass m2, follow through a derivation which led to the result PV=1/3mv2 and PV = nRT.
zinc hydroxide is insoluble in water but dissolves when nitric acid solution is added
Draw the electron dot formula for each of the following molecules or ions: a) H2O; b) CCl4; c) H3O^+; d) SiF4; e) CF2Cl2; f) C2H6 HH
The average concentration of calcium ion in seawater is 412 mg of calcium ion per kg of seawater. What is the molarity of the calcium ion if the density of the seawater is 1.025 g/mL?
The thermal decomposition of 1.6608 grams of MgSO4 x H20 produces 1.4446 grams of a product in a well behaved reaction. There are two possibilites
When 37.6 ml had been added the solution turned red .How many milligrams of I- were present in the original solution?
A balloon equipped with a UV spectrometer was flown in the stratosphere to measure the [O_3] at an altitude of 25 km. The spectrometer had an absorbtion path length of b= 1000.0 m and measured a transmittance of T = 0.6952. Determine the concentr..
how many moles of methane occupy a volume of 2.00 L at 50.0 degress C and 0.500 atm? (R=0.0821atm x L/mol x K)
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