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Calculate how many moles of NH3 form when each quantity of reactant completely reacts.
3N2H4 (l) = 4NH3 (g) + N2 (g)
2.6 mole N2H4
given the tabulated data what is the lattice energy of crystalline calcium chloride?heat of sublimation for calcium 178
A mercury nanometer contains 2 g of Ar. A burner heats it to P-ext. at 760 torr. What is the Temperature of the gas in the bulb when the total volume is 3 L and H=76mm?
calculate the total pressure when 1 l of ch4 at stp and four litre of oxygen at stp was combined in anbsp container of
at a particular temperature k 4.0 x 10-7 for the reaction n2o4g ---gt 2no2g. in an experiment 1.0 mol n2o4 is placed
Find the value of Pressure - How much more pressure will the gas exert if the temperature is raised to 44.1°C?
What is the percent yield of a reaction in which 244 g phosphorus trichloride reacts with excess water to form 144 g HCl and aqueous phosphorus acid (H3PO3)?
Describe how you would prepare 150.0 mL of a pH = 5.00 buffer solution from a solution of 0.200-M aniline, C6H5NH2, a weak base
calculate the mass, in grams, at 25 degrees celcius of 30.0mL of propylene glycol, which has a density of 1.036g/mL
An electron in an excited state of a hydrogen atom emits two photons in succession, the first at 1281 nm and the second at 102.5 nm, to return to the ground state (n=1).
A compound contains only carbon, hydrogen, nitrogen and oxygen. Combustion of 0.314 g of the compound produced 0.426 g CO2, and 0.0620 g H2O
suppose that a fully charged lead-acid battery contains 1.50 l of 5.00 m h2so4. what will be the concentration of h2so4
Which elements exist as three-dimensional, solid structures in their most stable states under atmospheric conditions. Check all that apply. a.)Cl b.)Hg c.)Si d.)Br e.)Mg f.)O g.)Kr h.)I
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