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A piece of chromium metal with a mass of 24.26 g is heated in boiling water to 98.3 degrees celsius and then dropped into a coffee-cup calorimeter
For Hvap for a liquid the slope in the Clausius-Clapeyron equation is A Positive,B negative,C zero,D positve or negative.
if 8.6L of H2 reacted with 4.3L of O2 at STP, what is the volume of the gaseous water collected (assuming that none of it condenses)?2H2(g)+ O2(g)--> 2H2O(g
the addition of a crystal of sodium chlorate to a sodium chlorate solution causes additional crystals of sodium chlorate to precipitate. the orginal solution was what
The Ksp for silver sulfate (Ag2SO4) is 1.2 x 10-5 . Calculate the solubility of silver sulfate in each of the following a. water b. 0.10 M AgNO3 c. 0.20 M K2SO4.
Rank the following slightly insoluble compounds from the most soluble to the least soluble. CaCO3 Ksp = 2.8 x 10-9 Co(OH)2 Ksp = 1.6 x 10-15 CaF2 Ksp = 3.9 x 10-11 BaSO4 Ksp = 1.1 x 10-10
When one of the atoms involved in a covalent bond has a much higher electronegativity than the other a bond results.
What is the number of H's per signal and the splitting for each signal for 2 chloropropane in an NMR?
Give explanation for arrangements how you decide the boiling points comparison - Arrange all these compounds in order of increasing boiling points
what two steps in the reaction are accelerated by the presence of strong acid, and what function does the acid play in each of these steps
What is the pH at the half-stoichiometric point (half-way to the endpoint) for the titration of 0.22 M HNO2(aq) with 0.10 M KOH(aq)?
Identify the C-H out-of-plane bending vibrations in the infrared spectrum for 4-methylcyclohexene. What structural can be obtained
boron has two naturally occuring isotopes,, 10B (19.9%) and 11B(80.1. althought the b2 molecule doesn not exist naturally on earth, it been been produced in the laboratory and been observed in stars..
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