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Consider the temperature change, together with the volume and concentration of the acid and base, noted in the HAZMAT team's response regulation information(50mL 1M HCl,50mL 1M NaOH,change in temp = 6.7C) . Predict how each of the following variations would affect the observed temperature change. Explain your predictions.
(a) using 100 mL 1M hydrochloric acid and 100mL 1M sodium hydroxide
(b) using 50 mL 2M hydrochloric acid and 50 mL 2M sodium hydroxide
(c) using 25 mL 1M hydrochloric acid and 75 mL 1M sodium hydroxide
(d) using 25 mL 1M sulfuric acid and 75 mL 1M sodium hydroxide
What force keeps the gases of the earth's atmosphere from diffusing into interplanetary space, where the pressure is essentially zero?
Electromagnetic radiation with a wavelength of 665 nm appears as orange light to the human eye. The energy of one photon of this light
a quanity of gas exerts a pressure of 98.6 kpa at a tempature of 22 degrees celcius. If the volume remains unchanged, what pressure will it exert at -8 degrees celcius
What is the oxidizing agent?
The combustion of magnesium metal is described by the following equation. What mass of magnesium must be burned to produce 1.00 kJ of heat
Titanium occurs in the magnetic mineral ilmenite (FeTiO3), which is often found mixed up with sand. The ilmenite can be separated from the sand with magnets. The titanium can then be extracted from the ilmenite by the following set of reactions
Calculate the mass of water vapor produced when 6.00 L of propane (C3H8) gas undergo complete combustion at a temperature of 250C and a pressure of 1.00 atm.
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What will the temperature be when the ice cube has just melted. Use 4.184 J/K*g for the specific heat capacity of ice and water. If the water is then heated to 80 degrees C by burning methane (delta H= =890.31 kJ/mol) how many grams of methane wou..
Draw the reaction scheme (with arrows) of the Diels Alder rxn between maleic anhydride and furan. draw both the endo and exo adducts
Where did the energy required to maintain the system at a constant temperature in the two isothermal processes described? PAth A- sudden irreversible decrease in pressure from P1 to P2 ( P2
what are the heats of formation of the following species.
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