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What is the hybridization of Si in SiBr4?
A 290 mL stock solution contains 2.3 M Ca(CN)2. When 100 mL of the stock solution is diluted to 125 mL, how many moles of CN- ions will be contained in the dilute solution
In tables of thermodynamic data provided in chemistry books, one finds delta Hf, delta Gf, and delta S listed. Briefly explain why the entropy data are supplied as S
When the equation above is balanced and all coefficients are reduced to their lowest whole-number terms, the coefficient for O2
We want to change the volume of a fixed amount of gas from 725ml to 2.05L while holding the temperature constant. To what value must we change the pressure if the initial pressure is 110kpa
A colored compound or complex ion provides a preliminary indication of the presence of which of the aluminum Group ions? Give the chemical formula
for a certain chemical reactiondelta h -156kj . assuming the reaction is at equilibrium classify each of the following
Draw the Lewis structures and determine which of these molecules has a central atom that violates the octet rule. Please note that NO3 has an odd number of electrons. But you must decide where the missing electron will be. Does the central atom vi..
If the flask has a volume of 0.500 L, what is the minimum mass of PH3BCl3(s) that must be added to the flask in order to achieve equilibrium
How many grams of sulfur (S) are needed to react completely with 369 g of mercury (Hg) to form HgS?
the dimensions of aluminum foil in a box for sale in supermarkets are 66^2/3 yards by 12 inches. The mass of the foil is 0.83 kg.
Calculaw the concentration of hydroxide ions in stomach acid at body temperature. ([H3O^+]=0.10M)
Silver sulfide is the tarnish that forms over time on polished silver. If a saturated aqueous solution of it at a certain temperature has a [Ag+] = 4 x 10^-17, what is the solubility product of silver sulfide at this temperature
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