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Container A holds 712 mL of ideal gas at 2.10 atm. Container B holds 164 mL of ideal gas at 4.50 atm. If the gases are allowed to mix together, what is the resulting pressure?
At what temperature will air (MW=29) have the same density as helium at 300 K, both gases at the same pressure.
What would the solubility of copper (II) tartrate be in a solution that contains 0.12 M sodium tartrate?
Give the name and formula for the acid derived from each of the following anions. (Type your answer using the format CO2 for CO2.) (a) perchlorate (b) NO3- (c) bromite (d) F -
write the equations for two different acid base reactions of diethylamine with water. Indicate the direction of the equlibrium for both reactions. The pKa of diethyl ammonium ion is 10.94.
At 710.mm hg a sample of nitrogen gas occiuped 625 ml.what volume does gas occupy if the temperature remains constant and the pressure increases to760.mm hg?
Now consider a sample that consists of four spheres, each with a different mass: blue mass is 4.00 g, red mass is 3.75 g, green mass is 3.00 g, and yellow mass is 1.25 g. Calculate the average mass of a sphere in this sample.
what is the concentration ratio of the free (and potentially toxic) Pb^2+(aq) in the blood to the much less toxic Pb^2+ -EDTA complex?
CH3CH2SCH2CH3 can be synthesized by an SN2 reaction. Draw the structures of the alkyl chloride and nucleophile that will give this compound in highest yield
The volume of a sample of chlorine gas is 98.6 mL at 31.4 C and 769.6 mmHg. What volume will the sample occupy at 23.2 C and 748.8 mmHg? Please show how to work out the problem if you can
Assemble the alcohols (have the formula of C4H10) in the order of increasing reactivity with concentrated HCl.
Which of the following states are Ture of the final temperature of a system where equal masses of Aluminum( Cal=0.900 J/g Celsius, Ti=75 Celsius and water (ch2o=4.284j/gcel, Ti=25 cel) are placed in contact? assume no energy losses to the surround..
What is the pH of a buffer that results when .60mol NaF is mixed with 100ml of 2.0M HCl and diluted with water to a final volume of 250 ml? (Ka of HF=7.2e-4)
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