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Figure shows graphs of entropy vs. energy for two objects, A and B. Both graphs are on the same scale. The energies of these two objects initially have the values indicated; the objects are then brought into thermal contact with each other. Explain what happens subsequently and why, without using the word "temperature."
Pentan-2-ol reacts with tosylate/nucleophile and the following: Hydroxide, cyanide, bromide, sodium propoxide and ammonia. What are the products from each? Then 2-methylpentan-2-ol reacts with the same substances. What are the products
How many grams of methane CH4(g) must be combusted to heat 1.00 kg of water from 25 degrees celsius to 88 degrees celsius, assuming H2O (l) as a product and 100% efficiency in heat transfer
A reaction has a rate constant of 1.21×10-4 at 25 degrees C and 0.232 at 79 degrees C. The activation barrier for the reaction is 122 KJ/mol. What is the value of the rate constant at 18 degrees C
the ferrous ion fe2aq reacts with the permanganate ion mno4- aq in an acidic solution to produce the ferric ion fe3aq.
The solubility of borax at roomp temperature is about 6.3 g/100 mL. Assuming the formula of borax to be Na2B4O5(OH)4 * 8H2O ( Molar mass = 381.37g/mol), What is the molar solubility of borax and what is the ksp of borax at room temperature
a 5.0g sample of a hydrate of CaCl2 was heated, and only 4.3 g of the anhydrous salt remained. what is the percentage of the water was in the hydrate?
he first excited energy level of the helium atom is 3.13 10^-13 J above the ground level. Estimate the temperature at which the electronic motion will begin to make a significant contribution to the heat capacity.
State a net ionic equation for the neutralization reaction of ammonium chloride as well as sodium hydroxide. Identify the spectator ions.
Question- 1) A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz (MHz), where 1MHz=106Hz. Calculate the broadcast wavelength of the radio station 90.90 FM.
Calculate the molarity of 736 mL of a solution that contains 153 g of sucrose C12H22O11.
Find the volume (mL) and pH of 0.0588 M KOH needed to reach the equivalence point(s) in titrations of the following. (a) 20.8 mL of 0.0376 M HNO2 (b) 14.8 mL of 0.104 M H2CO3 (two equivalence points so both the first and second volumes and pHs are re..
question the change in enthalpy delta s standard for a reaction is -31.7 kjmol. the equilibrium constant for the
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