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What is diagonal relationship? explain diagonal relationship between Li and M g, Be and Al?
Calculate the quantity of heat in calories release when 241.62 g of water is cooled from 80.6°C to 28.0°C.
The bomb that destroyed the Murrah Federal Office building in Oklahoma City in April 1995 was constructed from ordinary materials: fertilizer(ammonium nitrate) and fuel oil
Consider the reaction 2 Al2O3(s) ! 4 Al(s) + 3 O2(g) . H = +3339.6 kJ/mol What is H for the formation of one mole of Al2O3(s) from the elements.
in a coffee cup calorimeter 50.0 ml of 1.0 m naoh and 50 ml of 1.0 m hcl are mixed. both solutions are originally at
Explain a volume of 18.0 L contains a mixture of 0.250 mole N2, 0.250 mole O2, as well as an unknown quantity of He. The temperature of the mixture is 0 Celsius, as well as the total pressure is 1.00 atm. Explain how many grams of helium are prese..
Identify as well as compare trends on the periodic table, as well as reactivity and relative sizes of atoms and ions use the trends to elucidate the properties of subgroups, As well as metals, non-metals, alkaline earth metals, alkali metals, halo..
An aqueous antifreeze solution is 35.0% ethylene glycol (C2H6O2) by mass.
We add R12 to the tank until the final mass of R12 inside the tank is 80 kg. If the temperature remains constant, what is the volume occupied by the liquid in the final state. How much mass of R12 was added to the tank
You add more A to the flask. How does the concentration of each chemical compare to its original concentration after equilibrium is reestablished
What mass of glucose can be produced from a photosynthesis reaction 6CO2(g) + 6H2O-> C6H12O6(aq) + 6O2(g) that occurs using 18.4 mol CO2? Answer in units of g.
Salicylic acid C7H6O3 has been suggested as a calometric standard. Its heat of combustion is -3.023x10^3 kj/mol C7H6O3/ from the following data find out the heat capacity of a bomb calorimeter assembly.
Determined an aliquot of 0.03526M potassium permanganate solution required to make 100 mL of a 10-3 mol/L solution.
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