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A balloon has a volume of 1.20 liters at 24.0 C. The balloon is heated to 48.0 C. Compute the new volume of the balloon.
question determine the percent composition by mass of a 100 g k2so4 solution containing 20-g solute. what is the mole
What is the change in the boiling point of a solution made by dissolving 14.7 g of C6H12O6 into 150ml of water? The density of water is 1.00 g/ml and Kb=0.512 C/m .
2Na + 2H2O → + H2 How many moles of hydrogen gas are produced when 0.066 mole of sodium is completely reacted?
Use Le Chatelier's principle to explain the color change which you observed after the addition of distilled water to the equilibrium mixture above.
Gold has a density of 19.30g/cm3. How much water would 1.111 ounces of gold displace in a calibrated cylinder (1 ounce = 28.35g). Give your result in mL.
Converting Grams and Moles, To do this assignment, use your calculator to do the calculations required. Then invert the calculator to read the message word. Insert the message word into the appropriate space in the statement
Titanium (f=6.94 x 10^-19 J) and silicon(f=7.77 x 10^-19 J) surfaces are irradiated with UV radiationwith a wavelength of 205 nm. What is the wavelength (nm) of the electrons emitted by the titanium surface
a reaction flasknbsp contains 111 torr of carbon monoxide and 273 torr of hydrogen initially the reaction is allowed to
Vanadium has two naturally occurring isotopes,V with an atomic mass of 49.9472 amu andV with an atomic mass of 50.9440. The atomic weight of vanadium is 50.9415.
Show the calculation for the moles of benzaldehyde, the moles of acetone, the theoretical yield of dibenzalacetone in grams, and the calculation for the % yield of the product (dibenzalacetone). Also indicate which reagent is the limiting reagent.
How many moles of HC2H3O2 are diluted to 59.37 mL? B)What is the Molarity of the diluted solution? What is the concentration after the dilution of the following?
In Hexaphenylbenzene synthesis, using tetraphenylcyclopentadiene and diphenylacetylene, what volume of carbon monoxide, measured at STP, is produced by the decomposition of 38 mg of tetraphenylcyclopentadienone
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