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A photon of light has a frequency of 2.80x1014 Hz. What is the wavelength of the photon in units of nanometers?
If 125 grams of magnesium sulfate heptahydrate is completely dehydrated, how many grams of anhydrous magnesium sulfate will remain
Just based on the orbital occupancy of electrons, is it justifiable to distinguish between the transition and inner transition elements? Should we consider any other factors?
Helium atoms do not combine to form He2 molecules, yet He atoms do attract one another weakly through
an experiment requires 42.0 g of ethylene glycol a liquid whose density is 1.114 gml. rather than weigh the sample on a
A certain substance has a heat of vaporization of 52.17 kJ/mol. At what Kelvin temperature will the vapor pressure be 4.00 times higher than it was at 291 K
The density of air at ordinary atmospheric pressure and 25 degrees C is 1.19 g/L. What is the mass in kilograms of the air in a room that measures 8.2 m x 13.5 m x 2.75 m
If 0.20mL of methyl benzoate and 0.45mL of concentrated (18M)sulfuric acid PLUS 0.15mL of concentrated (18M)sulfuric acid and 0.15mL concentrated (16M)nitric acid were added together and the end product was methyl-3-nitrobenzoate what is the theor..
Show the product that forms when 3-phenylpropanal is allowed to mix with sodium hydroxide catalyst.
Could you please show the reaction in six steps with the curved arrow mechanism, show all the lone pairs,complete the structure of sulfuric acid or the hydrosulfate ion as necessary and complete each organic framework. Don't include the water.
What is the vapor pressure at 75 degrees celcius of an aqueous solution prepared by the addition of 52.9 g of urea CO(NH2)2 to 178 g of water?
Explain why it takes longer time when anyone cook an egg in boiling water while camping at in elevation of 0.5km in the mountain than it does it home.
how many grams of magnesium chloride could be formed from the rraction of 6.82 grams of magnesium with excess
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