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At 46°C a sample of ammonia gas exerts a pressure of 5.3 atm. What is the pressure when the volume of the gas is reduced to one-half (0.5) of the original value at the same temperature?
If a sample of 0.188 grams of KCN is treated with an excess of HCL, calculate the amount of HCN formed, in grams.
Give the oxidation state of the metal , its d-electron configuration and the correct names (IUPAC system) for each of the following complexes.
Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: A 5.50-g sample of \rm CaO is reacted with 5.31 g of H_2O. How many grams of water remains after completion of reaction
A saturated solution of CaF2 had a calcium ion concentration of 2.20 x 10^-4 M. What is the Ksp for CaF2?
Based on the value obtained in the three heating above, do you think the student should have confidence in his results? why? what do you think he should do to be more confident in his result
Methyl nitrite, CH3NO2, a gas at room temperature, is reacted with phenol, C6H6O, to give nitrophenol, in a reaction shown below.
explain how and why carbon can experience sp sp2 and sp3nbspvia hybridization and what role this plays in the geometry
is it possible to synthesize 1-bromo-4-nitrobenzene by reacting bromobenzene with a mixture of nitric and sulfuric acids. However, 1-bromo-4-nitrobenzene is not obtained if nitrobenzene is reacted with Br2/FeBr3. Explain the difference
For a certain glass electrode, the selectivity coefficient for Na+ relative to H+ is 1.0 x 10-12. The electrode is calibrated with NBS standard buffers 6.86 and 9.18,
complete the following chart of gas properties. For each positive observation, write a balanced chemical equation to describe the process.
In the first pass of ethene through the reaction chamber ,the actual rate of production of ethanol ia 271 g/min. what is the percent yield for the reaction
On a hot day a room air conditioner uses 1.0 kW of electrical power and works with a coefficient of performance of 2.9. How much heat does the AC remove from the room in 1 min?
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