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Explain what is the concentration if HCl in the final solution when 100mL of a 5 M HCl solution in diluted with water to a total volume of .25L?
When determining the effective nuclear charge for a 1s electron, Slater's rules dictate that the other 1s electron must have a value of 0.30 not 0.35. Why?
What are the wavelengths, in nanometers, of the brightlines of the hydrogen emission spectrum
Why is the ability to separate 2 liquids by fractional distillation drastically reduced if heat is applied too rapidly to the distillation flask
Draw (2R,3R)-2-bromo-3-phenylpentane in the conformation from which it is most likely to undergo E2 elimination to give 3-phenyl-2-pentene.
Consider the following reaction at equilibrium. What effect will increasing the temperature have on the system. Fe3O4(s) + CO(g) 3 FeO(s) + CO2(g) ?H°= +35.9 kJ
Two reactant are mixed in a bomb calorimeter as well as a reaction occurs. The temperature of the calorimeter rises. Which of the subsequent statements regarding the reaction is true
If the pressure exerted on a 375 ml sampe of Hydrogen gas at a constant temperature is decreased from 1.75 atm to 1.00 atm, what will the final volume of the sample be
A solution of glucose in water is labelled as 10% (w/w) the density of solution is 1.20gm per ml calculate 1.)molarity 2.)molality 3.) mole fraction of each component in solution
consider the chemical species if5 and if4a. identify appropriate bond angles of eachb. identify orbital hybridization
Explain what are the possible consequences of having water mixed with the hexane-titration sample in? Would the presence of hexane modify the results of the water-titration in Titrating the Water Layer
What is the molecular formula for a substance that contains in 1.00 mole of sample 1.00 mole of S, 24.1 x 10 to the 23rd atoms of F, and 71.0 grams of Cl
calculate the mass in grams of carbon dioxide that will be produced when 25.0 g of ethanol is
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