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Calculate the volume (in mL) of a 1.22 M Na2S solution needed to react with 2.75 g of AlBr3 (molar mass = 266.7 g/mol) in the following reaction:
3Na2S(aq) + 2AlBr3(aq) → Al2S3(s) + 6NaBr(aq)
How would the ground-state energy levels of X and H compare (where X is an atom with one electron like Hbut different energy levels)? For X: E = - (RH / n3) and RH is the same as H (2.179 ×10?18J).
Nitrogen dioxide and water react to produce nitric acid HNO3 and nitrogen monoxide. 3NO2(g) + H2O(l) --> @HNO3(aq) + NO(g)
cannot be dehydrated to an alkene without rearrangement. What is the chief product of dehydration?
These air conditioners are recharged from stockpiled supplies of CFC-12. If each of the 100 million automobiles contains 1.1 kg of CFC-12 and leaks 25% of its CFC-12 into the atmosphere per year, how much Cl in kilograms is added to the atmosphere..
A mixture of CO2 and Kr weighs 35.0g and exerts a pressure of 0.708 atm in its container. Since Kr is expensive, you wish to recover it from the mixture. After the CO2 is completely removed by absorption with NaOH(s), the pressure in the container..
calculate the energy levels of the -network in octatetraene c8h10 using the particle in the box model.a to calculate
The distribution coefficient, K= conc. in ligroin/conc. in water, between ligroin and water for solute A is 7.5. what weight of A would be removed from a solution of 10g of A in 100 mL of water.
There are many types of energy: electrical, kinetic, gravitational potential, chemical, elastic, heat, etc. Choose an object or system in which energy is transformed from one form to another. Describe the energy transformations in this object or s..
What volume of 0.862 M KOH solution is required to make 3.75 L of a solution with pH of 12.8
how many mili litres of alcohol are in a 0.950 rm l bottle of wine if wine is 16 by volume alcohol.?considering the
Consider the reaction: C2H5OH (l) + 3O2 (g) --> 2 CO2 (g) + 3 H2O (l) , ?H= -1.37 x 103 kJ When a 24.8-g sample of ethyl alcohol (molar mass = 46.07 g/mol) is burned, how much energy is released as heat?
Calculate the work done by the gas if it expands against a constant pressure of 5 atm. -Answer is -1.14x10^4 J but just need to know how to get there.
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