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draw an electron-dot structure for acetonitrile, c2h3n, which contains a carbon-nitrogen triple bond. how many electrons does the nitrogen atom have in its outer shell? how many are bonding, and how many are nonbonding?
What is the PH of .0750L of hypochlorous acid/hypochlorite buffer solution, originally .300M in HCLO and .400M in CLO-. after 7.5E-3 moles of NAOH have been added to the buffer
Calculate the solubility in g/L of MgCO3 in the following solutions. (a) pure water (b) 0.0010 M Na2CO3 (Use the quadratic equation.) Calculate the molar solubility of AgBr in a 3.0 M NH3 solution.
What is the maximum amount of ethanol (in millimoles) that could theoretically be produced under the following conditions?
What is the composition of anti-dust chalk? What are differences between normal blackboard chalk and anti-dust chalk? What made anti-dust chalk anti-dust? Explain in details.
How many joules of heat are lost by 3473 kg granite as it cools from 41.1°C to -13.1°C?
Which entries below should have the highest standard molar entropy? Place them in order of increasing standard molar entropy. ex: a>b>c>d.
2 g of a hydrocarbon fuel is burned in a colrimeter that contains 250 grams of water initially at 25 degrees celcius. After the combustion, the temperature is 26.55 degrees celcius.
Each was extracted with three 5-mL aliquots of CCl4 containing an excess of 8-hydroxyquinoline. The extracts were diluted to 25 mL and their fluorescence was measured. What is the concentration of the zinc in the unknown solution?
Given that the solubility of magnesium fluoride is 0.0729 g/L, calculate the value of Ksp for this salt
Molecular iodine, I2 (g), dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271 s-1. If you start with 5.2x10^-2 M I2 at this temp.
Ranked the free energy changes for hydrolysis of these phosphorylated compounds from the most negative (on the left) to the most positive (on the right)
If the sample reacted completely and produced 1931 mL of H2S hydrogen sulfide at 29.82 °C and 759.7 mm Hg, determine the mass percentage of Cadmium sulfide in the mixture?
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