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Make a list of the operations you will need to perform in order to display a spectrum of a food dye on the spectrophotometer
a gas expands and does p-v work on thesurroundings equal to 287 j. at the same time it absorbs 216 j of heat from the
What is the Fe2+:Sn2+ concentration ratio in the following cell at 25C if the measured cell
Calculate the average translational kinetic energy (sometimes just called average kinetic energy)
Acetic acid is titrated with NaOH hydroxide. What is the relevant reaction. what is the equilibrium constant for this reaction, if Ka=1.76x10^-5 for acetic acid.
Magnesium carbonate has a ksp value of 6.80×10?6 . What happens when magnesium and carbonate solutions are mixed to give 2.50×10?3 M Mg^2+ and 2.00×10?3 MCO3^2-
explain what ( if anything) is wrong with the following student's statement: " our solution is red, so we should set the spectrophotometer to the red light range
Acetic Acid has a Ka of 1.8 X 10^-5 What is the pH of a buffer solution containing 0.17 M hC2H3O2 (acetic acid) and 0.18 M C2H3O2- Express answer using two decimal places.
the solubility of kno3 is 155g per 100g of water at 75c and 38.0g at 25c. what mass of kno3 will crystallize out of the
Why is it extremely dangerous to attempt to carry out a distillation in a completely closed apparatus ( one with no vent to the atmosphere
Sodium bicarbonate is called baking soda because when heated, it releases carbon dioxide gas, which is responsible for the rising of cookies, doughnuts, and bread. Calculate the volume (in liters) of carbon dioxide by heating 4.37 g of sodium bica..
How many joules of heat are given off when 5 g of water cool from 75 degrees C to 25 degrees C?
what is the difference between a metal in its elemental state and a metal ion? what are the different chemical and
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