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A sample of helium gas occupies 11.6L at 23OC and 0.956 atm. What volume will it occupy at 40oC and the same pressure?
Determine the pressure exerted by 4.58 mol of a gas in a 2.92L container at 32oC?
the addition of bromine to an equimolar mixture of cis- and trans-2-butene generates only three stereoisomers. Explain.
Calculate the standard potential for this cell at 25 °C. Standard reduction potentials can be found here.
Bond angles in molecular model TeF5^- a) some less than 90 degrees and some less than 120 degrees but greater than 90 degrees b) 90 degrees and 120 degrees c) some less than 90 degrees and some less than 180 degrees but greater
A physiological saline solution contains 164 mEq/L each of Na+ and Cl-.How many moles each of Na+ and Cl- are in 0.500 L of the saline solution.
use a solid line to represent the correct calibration line and a dotted line for the line with the systematic error.) Also discuss the advantages and disadvantages of spectral methods of analysis.
If a diamond consisting of ten sextillion "randomly-selected" carbon atoms (roughly a one-Karat diamond) were placed on an anallytical balance, the balance would read.
The pressure inside a hydrogen-filled container was 2.10 at 21 . What would the pressure be if the container was heated to 90
Determine the concentration of the sulphuric acid (H2SO4) solution If It takes 58 mL of 0.124 M potassium hydroxide(KOH) to neutralize 41.5 mL of sulphuric acid( H2SO4) solution.? Express your answers in units of moles/liter
If the molecular mass of a gas increased by a factor of 4 at constant temperature, its rms speed will decrease by a factor of 2.
volume of a piece of galena is 4.7 cm3. determine the mass of that piece of galena if the density of galena is 7.5 gcm3
The density of Cesium Chloride solid is 3.99 g/cm^3, and the radius of the Cs- ion is 181pm. What is the radius of the Cs+ ion in the center of the cell
What amount of energy would be released upon formation of a mole of 28Si nuclei from their subatomic particles?
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