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When 25.0mL of .500M H2SO4 is added to 25.0mL of 1.00M KOH in a coffee cup calorimeter at 23.50 degree Celcius, the temperature rises to 30.17 degree celcius. Calculate ethalpy of this reaction.
Choose the most likely pattern for the crystal field diagram for the complex trans-[Ni(NH3)2(CN)4]2-, where CN- produces a much stronger crystal field than does NH3.
What is the change in entropy in entropy in the system in J/K when 39.3 grams of steam at 1 atm condenses to a liquid at the normal boiling point.
if it takes 1.0 g of solid NaOH to change the pH of the solution containing a strong acid from 1.00 to 2.00, how much solid NaOH would be needed to change the Ph of this solution from 2.00 to 3.00? Assume that there is no change in the volume of t..
Enough Al2(SO4)3 solid is added to water to prepare 100.0 mL of a 0.150 M solution of aluminum sulfate. What is the concentration of sulfate ion in solution?
determine the molecular formula. Enter your formula as plain text, with carbon first, then hydrogen, the chlorine. So if the formula were C10H21Cl, you would enter C10H21Cl.
the heat of fusion of water is 6.008x103 jmol at its normal melting point of 272.15k. calculate the freezing point
In industrial process, the stoichiometric ratio of CO to H2 is used. If the reaction is carried out at a totl pressure of 30 atm, what partial pressures of CO and H2 are used
what amount of potassium chloride forms when 5.25 litres of chloride gas at 0.95 atm and 293 k reacts with17.0 g of
What is a zymogen? Is it used over and over like other enzymes? And what is the physiological advantage
A particular brand of gasoline has a density of 0.737 g/mL. How many grams of this gasoline would fill a 15.6 gal tank?
What volume of 1 M NaOH would you need to add to 200 mL of 0.2 M acetic acid solution to achieve a pH of 7.0 (the pKa of acetic acid is 4.76)? A)0.23 mL B)6.952 mL C)173.8 mL D)39.77 mL
A galvanic (voltaic) cell consists of an electrode composed of magnesium in a 1.0 M magnesium ion solution and another electrode composed of copper in a 1.0 M copper(I) ion solution, connected by a salt bridge. Calculate the standard potential for..
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