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Derive, the Clayperon equation. What is the primary use in phase diagrams? Can you use it to justify the relative slopes of the fusion curve and the vapor pressure curve? Why is the sublimation curve generally steeper that the vapor curve?"
As you may well know, placing metal objects inside a microwave oven can generate sparks. Two of your friends are arguing over the cause of the sparking, with one stating that the microwaves "herd" electrons into "pointy" areas of the metal object,
the calculated H neutzn be higher, lower, or the same as the literature H neutzn? briefly explain this difference as a result of using only one graduated cylinder for the experiment
What mass of HCl is consumed by the reaction of 3.84 mol of magnesium? Answer in units of g.
Every 100.00 g of the compound SiH4 contains 87.45 g of Si and 12.55 g of H. Find the ratio of the atomic mass of S to the atomic mass of H.
Suppose you were instructed to add 38 g of sodium chloride (NaCl) to 100 mL of water. a. prepared as instructed at 20°C b. heated the mixture in (a) to 100°C. Describe what you would observe under the following conditions.
How much heat in Joules was lost by the water. How much heat would be lost by the water if 1 mole of KCl had dissolved. c) What is (Delta Heat reaction) in kL/mole for this process, which can be written as KCl (s) --> KCL (aq)
How many minutes would be required to electroplate 25g of chromium by passing a constant current of 4.80 amperes through a solution containing CrCl3
If 125 cal of heat is applied to a 60.0 g piece of copper at 24C, what will the final temperature be? The specific heat of copper is 0.0920cal/(g x C).
zinc reacts with aqueous sulfuric acid to form hydrogen gaszn s h2so4 aq znso4 aq h2 gin an experiment 201 ml of wet
Electron affinity can be defined for molecules just as it is defined for single atoms. Write a complete chemical equation representing the electron affinity of OH. Include all relevant state symbols.
Find the value of the equilibrium constant at each temperature you must first find the value of G0 at each temperature by using the equation G0 = H0 - TS0 For this reaction the values are H0 = +88.3 kJ/mol and S0= 151.3 J/mol*K
In a certain process, 750. J of work is done on a system which gives off 195 J of heat. Calculate the total energy change (?U) for this process
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