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Is it thermodynamically possible to transform solid SnO2 into liquid SnCl4 by reaction of the oxide with gaseous HCl? Explain what is the equilibrium constant for the reaction at 25C?
What is the heat change per mole of CaCl2 dissolved in water? Assume that all the heat is absorbed by the water. (c = 4.18 J/g C)
What is the value of Î"Go in kJ at 25 oC for the reaction between the pair: I2(s) and Br-(aq) Use the reduction potentials for I2(s)
how do you find the empirical formula of a compound if they don't give you percentages. For example, if they ask: what is the empirical formula for N2O4?
The melting point of tropylium bromide is above 200 degree C, quite high for an organic compound. How can you account for these experimental observations?
two moles of he gas are at 23 degrees c and a pressure of 220 kpa. if the gas is heated to 44 degrees c and its
The first substance to act as a superconductor above the temperature of liquid nitrogen (77 K) has the approximate formula YBa2Cu3O7. Explain what is the percent by mass of Cu in this compound. symbol "Y" is not a typo error it is actually a symbo..
Beta-carotene is organge. This means it absorbs blue lgiht. It has conjguated systme which allows the pi-electrons to delocalize over teh length of the molecule.
If you have a 0.1M solution of weak acid X (pKa 3.5) and another 0.1M solution of weak acid Y (pKa 4.3), which solution would have the lower pH?
Explain this difference in reactivity. and which compound do you expect to be more reactive in the silver nitrate test. 1-bromo-2-methylpropane or 2-bromopropane? explain.
When a strong acid and strong base titration is not at equivalence, the pH can be found by finding the number of moles of H3O+ or OH- in excess, converting to [H3O+] or [OH-], and solving for the pH.
what will be the heat capacity in units of jk of a constant pressure coffee-cup calorimter that contains 100.0 ml of
State a chemical equation for the synthesis of ethyl 2-methylpropanoate. Utilize structural formulas must include all details such as ch3, ch2, etc for each organic compound in your equation.
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