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A flask contains 2.00 moles of nitrogen and 2.00 moles of helium. How many grams of argon must be pumped into the flask in order to make the partial pressure of argon twice that of helium?
Problem- If you carried out the saponification of ethyl tridecanoate, would you expect the product to generate foam when mixed with water. Why/why not
The compound 2-methyl-1,4-pentadiene would be classified as what type of diene? Select the least stable diene listed below
Question- For the reaction 3NiO2(s)+2In(s)+3H2O(l)?3Ni(OH)2(s)+In2O3(s) which occurs in basic solution with Eorxn=0.544V, calculate the value of the equilibrium constant, K, for this reaction at 298 Kelvins.
A 110.0 mL sample of a solution that is 3.0×10^?3 M in AgNO3 is mixed with a 220.0 mL sample of a solution that is 0.13 M in NaCN. After the solution reaches equilibrium, what concentration of Ag+(aq) remains
The density of silver is 10.5 g/mL. What is the mass (in grams) of a piece of silver with a volume of 23.6 mL
Using the 3 errors (systematic, random, and human) what type of errors do each of the following represent. explain each answer. a. measuring from the wrong end of the ruler b. measuring with the wrong unit
At this temperature, the vapour pressure of H2O is 31.82 torr. What volume increase is necessary for all of the water to evaporate?
given the following balanced chemical equation answer the following questions 3cacl2nbspaq 2
The half-life for the reaction at 550 C is 81.3 seconds. How long does it take for 78.5% of a phosphine sample to decompose?
For the following please provide the # of bonding domains, # of nonbonding domains, polarity, intermolecular attractive forces, and which IMAF is the most important.
Dr. Goodchem observed that he had extracted 15.5 mL of Citral. If the density of pure Citral is 0.888 g/mL, what was the % composition of Citral found in the Orange extract.
Why is the enthalpy based on the moles of NH3 and not HCl? c. Calculate the percent error in part (a) if the accepted Hrxn is -55.0 kj/mol
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