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Suppose you start with 1.000 g of an unknown copper compound and isolate 0.9794 g of metallic copper. What is be the formula weight of the compound if there is only one copper atom per unit formula?
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.30 nm. It then gives off a photon having a wavelength of 1820 nm
Calculate the rate constant (k) for the reaction (don't forget the unit). If you can somehow help me and maybe upload the worked out problem I would greatly appreciate it and thank you in advance
What choices could you make to increase your consumption of polysaccharides and decrease your consumption of mono- and disaccharides?
What is the pH when enough 0.100 base is added to neutralize 8.00 mL of 0.100 M acid? Note: Make simplifying assumptions
If a 45kg sample of water absorbs 345kj of heat. If the water was initially at 22.1 degrees Celsius, define what is the final temperature
Write a single equation to show the direct conversion of Mg3N2 into MgO as the exclusive magnesium-containing product
if the specific heat of water is 4.18 jg x celsius for a mass of 125 g of water which increased in temperature by .121
Discuss in detail the healthcare applications of chemical reactions. Which chemical reactions would you consider to be of importance to healthcare professionals?
What source of errors can occur if we use the temperature of the room to determine the density of water?
2Na + 2H2O ----> 2NaOH + H2 . If 7.2g of Na undergoes reaction with water and the resulting hydrogen is bruned in oxygen to produce water, how many grams of water would be produced
In column chromatography portion of the Friedel-Crafts acylation of ferrocene, why is ferrocene yellow, acetylferrocene orange-red, and diacetylferrocene dark. What accounts for the color differences.
Use Hess's law and measure the mean enthalpy changes for the NaOH-HCL and NH3-HCL reactions to calculate the enthalpy change for this reaction
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