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A 32.1 g iron rod, initially at 21.6^\circ C, is submerged into an unknown mass of water at 64.0^\circ C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 58.6^\circ C.
write the equation showing the S-trans to S-cis equilibrium of the two conformations for a. (E)-1,3-pentadiene b. (Z)-1,3-pentadiene
The Kingston Steam plant burns 14000 tons of coal each day and generates 10^10 kilowatts-hours of electricity each year(enought for 700000 homes). Coal is primarily carbon which undergoes combustion in the following reaction: c + 02 -> CO2
silver nitrate reacts with ferric chloride to give silver chloride a ferric nitrate. in a particular expriment it was
if the reaction between iron III ion and thiocyanate ion yielded an equilibrium concentration of .15M for each of these ions, what is the equilibrium concentration of the red iron III-thiocyanate complex
preparing semicarbazone derivatives, what is the purpose of adding sodium acetate to semicarbazide hydrochloride?
Zinc is used to make galvanized iron pipes. these pipes are protected from the rust reactions that would normally occur. Which statement best explains why zinc is used.
electrolysis of an alkaline earth mtal cloride using a current of 5.00 a for 748 sec. deposits .471g of metal at the
A gaseous mixture of O2 and Kr has a density of 1.104 g/L at 435 torr and 300K. What is the percent of O2 in the mixture?
What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.56 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer after the addition of 0.30 mol of HI? (assume no volume change) p..
A buffer solution was prepared by adding 4.95 g of sodium acetate (NaCH3CO2) to 0.250 L of 0.150 M acetic acid (Ka = 1.75 x 10-5). a. What is the pH of the buffer
A pt has a blood Ca level of 4.6 mEq/L If 1mol Ca2+= Eq Ca2+ what is the blood calcium levle in mg/dl
Consider that there are two sources of OH-in this procedure. Also, an excess of 3 mL will need to be added to your calculated value in order to suppress the hydrolysis of Al 3+.
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