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A flask is filled with vapor( fastened by a piece of aluminum foil over the opening), by boiling a volatile unknown liquid in the flask. As it boils away, the vapor of the unknown pushes the aire out of the flask through a tiny pinhole opening, and eventually the flask is filled witha an atmosphere composed exlcusively of the unknown. The P, V, and T of the vapor will be determined and number of moles will be c alculated. When the flask is allowed to cool the vapor condenses and aire again refulls the flask. Re weighing the flask and figure out the the wight of the unknown vapor which filled the flask during the boiling.
Q: Is the error in volume measurement or the error in mass measurement greater in this experiment?
the carbacation to produce 2,4,4-trimethyl-2-pentene and 2,4,4-trimethyl-1-pentene. in order to calculate the % yield, could you help with the correct balanced equation for this reaction, as i would need the moles ratio?
heated from 20 to 50 degrees Celsius. How many calories were needed to bring about the temperature change?
List the order of nucleotides in the DNA strand complementary to the section with the sequence [TTAGACGAC]. (2) How many codons does this represent?
Suppose a reaction has a standard Gibbs-free energy of 2.90 kJ/mol, calculate the relative ratio of product to reactant.
Draw and describe the mechanism of reaction (using arrows for electron pushing), is it SN1, SN2, E1 or E2? Does the acetaminophen have to deprotonate to the phenolate before reacting?
Using the same sample of gas ( = 275 , = 43 ), we wish to change the pressure to 2750 with no accompanying change in volume or amount of gas.
if you have 310 mL of water at 25 degrees celsius and 110mL of water at 95 degrees celcius, what is the final temperature of the mixture?
Calculate the number of moles of NaHCO3 that reacted in each beaker. (The molar ratio between evolved CO2 and the bicarbonate is 1:1.
How many water molecules are in a block of ice containing 1.50 mol of water (H_2O)?
Calculate the degree of dissociation by A) assuming ideal behavior and B) using a mean activity coefficient y=0.93. The concentration of the acid is 0.010 M.
Consider a process carried out on 1.00 mol of a monatomic ideal gas by the following pathway from state A to state B. Pathway
if 6.oog of nitrogen gas is introduced into an evacuated 2.00L flask at 28*C, what is the pressure inside the flask?
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