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A gas has a volume of 590 mL at a temperature of -55.0C. What volume will the gas occupy at 30.0C?
Lead has a face-centered cubic lattice with all atoms at the lattice points and a unit-cell edge length of 495.0pm its atomic mass is 207.2 amu what is the density of lead?
calculate the percentage of empty space in 1 mol of water at 25C. Obtain the density from the experiment " Some Measurements of Mass and Volume." The volume of a molecule of water can be taken as the sum of the volumes of the two hydrogen atoms.
Determine which structure do you expect to contribute the most to the actual structure of BrO 4 - keep in mind to take in expanded octets, as suitable?
Determine the maximum number of electrons that could be emitted from metal by a burst of light with a total energy (E)of 9.86× 10^(-7) Joules?
If 42.3 L of PH3 forms when 85.1L of H2 (g) reacts with 167.6 (g) of P4 at STP. What is the percent yield.
A patient needs 0.004g of a sulfa drug. There are 5.00mg tablets in stock. How many tablets should be given.
Find out the concentration of this solution in a)M (molarity), b) m (molality), c) % w/w (percent by mass). If solvent =, H 2 O.
Determine which metal will reach the lowest temperature If the same amount of heat is added to both the metals?
Conclude the range of pressures that this system can exists as 2 phases By imagine Raoult's law is applied to the system
Compute the volume of the tank if this tank has 115 moles of neon gas and has a pressure of 57 atm at a temperature of 45 0C.
How many grams of LiCl are needed to make a saturate solution with 300 grams of H2O if the molality of the solution is 19.7.
Consider the reaction 2ZnS + 3O2 → 2ZnO + 2SO2. Suppose that you wanted enough O2 to completely react with 500. g of ZnS.
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