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Problem- In a crystal of gold, centers of individual atoms are approximately 0.288 nm apart. How many gold atoms would lie on a 3.73 inch line?
State your respond by means of significant figures.
Choose the stronger of each pair of acids, respectively, and explain why: a) HBrO3 or HBrO b) HBrO2 or HIO2 A. a) HBrO because Br has a lower oxidation state (fewer number of O atoms around it) in HBrO than in HBrO3
For the following please provide the # of bonding domains, # of nonbonding domains, polarity, intermolecular attractive forces, and which IMAF is the most important.
Explain what is the resulting total pressure of gases in now-joined flasks subsequent to the reaction proceeds to completion
Problem- What is the pH of a buffer that results when 12.0 g of HaH2PO4 and 8.00 g of Na2HPO4 are dilluted with water to a volume of .50L? (Ka of H2PO4^- = 6.2*10^-8, the molar masses of NaH2PO4 and Na2HPO4 are 120.0 g/mol and 142.0 g/mol, respect..
A sample of water is polluted with 0.001% detergent molecules. How many detergent molecules are present in a sample containing one mole (6.02* 10^23 molecules) of water
What volume of ammonia gas could be produced at 100% yield when 3.7 moles of hydrogen reacts with 1.3 moles of nitrogen
Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25 °C, the vapor pressure of pure benzene is 100.84 torr. What is the vapor pressure of a solution made from dissolving 17.1 g of biphenyl in 27.5 g of ben..
535 g piece of copper tubing is heated to 91.5degc and placed in an insulated vessel containing 58.5 g of water at
Propose stepwise sythesis of 2-cholor-4-nitrobenzoic acid starting from benzene
Arrange the following 0.1 M solutions in order of increasing conductivity and explain why you chose this order: 0.1 M FeCl3, 0.1 M MgCl2, 0.1 M NaCl, 0.1 M glucose (C6H1206)
Suppose you were asked to carry out an aldol condensation reaction between benzaldehyde and acetaldehyde, modeled after the experiment you performed with benzaldehyde and acetone.
find the contact time for inactivating gardia cysts.how much contact time would be required for inactivating
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