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a 20-g mass of argon occupies 15.0 l at a pressure of 25 kpa . find the volume of the argon when the pressure is increased to 530 kpa.
Molybdenum crystallizes in a body-centered cubic lattice (the Mo atoms are at the lattice points only). If the density of the metal is 10.3 g/cm3, what is the unit cell edge length in pm?
Based on the source of phosphorous (which cannot be changed) the surface concentration is 400 P atoms per 10 million Si atoms. Estimate the temperature you should dope at (C) if you must have a concentration of 100 P atoms per 10 million Si atoms ..
consider the following reactionpdos cog pds co2g kc4.0 x 103 at 1000kif a mixture of solid palladiumii oxide and
In addition to the natural radioactive decay series that begins with U-238 and ends with Pb-206, there are natural radioactive decay series that begin with U-235 and with Th-232. Both of these series end with nuclides of Pb. Predict the likely end..
How many moles of H3O+ must be added to one liter of a solution to adjust the pH from 7.90 to 6.16? Use E notation and 3 significant figures.
How much heat is needed to warm 250 g of water from 22 C to 98 C? The specific heat of water is 4.18 J/g . Be sure to include units but do not use scientific notation.
What is the [H3O+] in a solution that has a pOH of 2.29? Use E notation and 3 significant figures. Is the solution 1.95X10^12? show me how you got it as well
Explain whether the molecular structure of aspirin is likely to result in it being addictive? I'm comparing the structure to methylamphetamine
the compound sucrose is commonly known as table sugar. the chemical formula of sucrose is C12H22O11. How many hydrogen atoms are resent in 1.50 x 10^-4 mol of sucrose
Zn(s) + 2AgNO3(aq) --> 2Ag(s) + Zn(NO3)2(aq) When 216 g of silver was produced, determine the mole(s) of silver nitrate would be required.
A foul-smelling gas produced by the reaction of with was collected, and a 1.00 sample was found to have a mass of 1.52 at STP. What would be the formula.
an ideal gas of one mole is sealed in a 22.4 litres container at a 1.00 atm of pressure and a 273 nbspkelvin of
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