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Why would you expect phosphorous to require less ionization energy than sulfur to remove a valence electron?
a 1.341 g sample of nacl is combusted in a bomb calorimeter. the temperature rises 4.372 degree celsius and 1.53 x103 g
monoprotic acid, has a pH=2.00. What is the value of the ionization constant, Ka for this acid?
Using information from the table of Standard Thermodynamic Data in the textbook, calculate the equilibrium constant, Keq, for the reaction given below at 298 K. C2H6O (g) ? C2H4 (g) + H2O (g) Keq =
A compound gave an orange precipitate when reacted with 2,4 -DNP and showed a strong absorbance. The Tollens test shows a negative result
What is the brand name of Naproxene? Naproxen is said to be the first NSAID marketed in an enantiomerically pure form. What is a NSAID? What is an enantiomer?
The oxygen generated from the decomposition of the potassium chlorate converted some of the iron to iron(III) oxide. If the combined mass of iron and iron(III) oxide was 17.9 grams, calculate the mass of iron(III) oxide and the mass of the potassi..
Will there be any precipitate in the following situations? If so, then what compound will be the precipitate? Justify your answers. A) 23 micrograms of strontium chloride, SrCl2 is dissolved in 1.50L of 0.0088M ammonium fluoride, NH4F solution
Describe the preparation of 1L solution of 0.02M Tris buffer, PH 7.8. 3. What volume of glacial acetic acid (d= 1.06g/ml) and what weight of solid potassium acetate are required to prepare 5 liters of 0.2M acetate buffer,PH 5.0?
What is the empirical formula of ascorbic acid, given that the pseudoformula is C3.41 H4.53 O3.41
Some type of wood can be characterized as C1H1.5O1.7 with a lower heating value of 19500 KJ/kg. Find its adiabatic flame temperature when burned with stoichiometric air at 100kPa, 298 K.
A bottle of concentrated aqueous sulfuric acid, labeled 98.0 wt% H2SO4, has a concentration of 18.0 M. How many milliliters of reagent should be diluted to 2.600 L to give 5.00 M H2SO4
how do you calculate the percent yield of ethanol from 80 proof assuming that all the alcohol is collectedin 75 ml of
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