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Calculate the change in pH when 5.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
and
Calculate the change in pH when 5.00 mL of 0.100 M NaOH(aq) is added to the original buffer solution.
sample of 30.0 ml of krypton gas kr is at 756 mm hg and 25.0 degree celsius. what is the new volume if the pressure is
imagine that you run a nursing home facility in your area. analyze and comment on the role public policy has in the
Explain how these products are produced by showing the mecahnism involved. (draw).
When CO(g) (9.035 mol) and 144.6 grams of O2(g) in a 220.0 L reaction vessel at 608.0 °C are allowed to come to equilibrium the mixture contains 0.02021 mol/L of CO2(g). What is the concentration (mol/L) of CO(g)? 2CO(g)+O2(g) = 2CO2(g)
a volume of 18.0 m l contains a mixture of 0.250 mole n2 0.250 mole o2 and an unknown quantity of he. the temperature
In the laboratory you are asked to make a 0.731 m magnesium bromide solution using 375 grams of water.
Question- Calculate the wavelength of a photon of light emitted from a hydrogen atom when an electron falls from n = 3 to n = 1.
Bauxite (aluminium oxide) is a rock ore that can be reacted with solid elemental carbon to form carbon dioxide gas and solid aluminum metal.
^188 W decays by first order with a rate constant of 1.00 x 10^-2 d^-1. How long will it take for 93% of the initial amount of the reactant to be consumed
Biological systems usually work at 65% efficiency. How many mL of ethanol can you obtain from the fermentation of 0.65 lbs of sucrose
Seperate this redox reaction into its component half reactions( use the symbol e- for an electron)
Create an 18- to 20-slide presentation on one of the topics below. You many use various sources, including your textbook or other scholarly material. Since you will not be presenting this PowerPoint to your instructor or class mates in person, you..
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