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Which of the following conclusions is correct for the change in entropy for this reaction? You must find all of the correct answers.
Ag(l) Ag(s) (1atm, 25°C)
A)Suniv > 0B)Suniv < 0C)Ssys > 0D)The sign of Ssys cannot be determinedE)The sign of Suniv cannot be determinedF)Ssys < 0
What is the velocity of a hydrogen molecule after absorbing a photon @ 58.4 nm. What is the translational energy of the molecule in J mol-1
Describe the general approaches that are used to determine the mechanism of catalysis of an enzyme. Include in the approaches how covalent modification
a student is asked to calculate the amount of heat involved in changing 10 grams of liquid bromine at room temperature (22.5 C) to vapor at 59 C. To do this, one must use tables 8.1 and 8.2 for information on the specific heat, boiling points
If a wheelchair-marathon racer moving at 13.3 miles per hour expends energy at a rate of 635 Calories per hour, how much energy in Calories would be required to complete a marathon race (26.2 miles) at this pace
An evaluation of R was performed, following the procedure described in this module. The barometric pressure was 736 torr, the temperature was 295 K, and the volume of hydrogen gas collected was 35.6 mL. The calculated value of R was 82.1mL atm K-1..
100.0mL of 0.400 mol/L CoCl2 (aqueous) is mixed with 100.0mL of 1.600 mol/L NaOH. Determine the moles of precipitate which form, and the molarity of each ion (including spectator ions) after the precipitation process is complete
The first-order reaction 2N2O(g) --> 2N2(g) + O2(g), what is the concentration of N20 after 3 half-lives if 0.25 mol of N2O is initially placed into a 1.00-L reaction vessel
An alkane with a molecular formula of c18h18 reacts with chlorine in the presence of light and heat to give a single monochloride c8h17cl. What is the most resonalble structure for the starting alkane? and why?
If 26.64 mL of a standard 0.1650 M NaOH solution is required to neutralize 39.00 mL of H2SO4, what is the molarity of the acid solution
a 0.12m solution of a weak acid ha has ph 2.49. what is the ka of this
If a certain gas occupies a volume of 14 L when the applied pressure is 7.0 atm , find the pressure when the gas occupies a volume of 3.5L.
what is the volume of the hydrogen gas (at25oC and 100KPA) needed to produce 51.1g of ammonia?
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