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What is meant by chemical oxidation and chemical reduction? What is an oxidizing agent and what is a reducing agent? How does one determine the oxidation states of elements in compounds?
Please answer 150 words min.
If a process is carried out at constant pressure P and the volume V of the system decreases, then V is (negative, positive) and the work w is (negative, positive, zero).
A white precipitate formed with barium chloride, BaCl2: what is the chemical equation for the reaction of the reagent with the ion
at 450degc tert-butyl alcohol decomposes into water and isobutene.ch33cohg ch32cch2g h2oga reaction vessel contains
In a Diesel engine, atmospheric air is quickly compressed to about 1/20 of its original volume. Estimate the temperature of the air after compression, and explain why a Diesel engine does not require spark plugs.
A rigid tank with a volume of 2.5 m3 contains 15 kg of saturated liquid-vapor mixture of water at 75 0C . The water is heated. Determine the temperature at which the liquid in the tank is completely vaporized.
Using a liquid sample of Na that has a molar heat of fusion of 2.06 kj/mol calculate the number of moles in a liquid sample of Na if sample releases 41.4 kj when it freezes?
What is the boiling point elevation and boiling point of a solution that contains 1.20 moles of non-ionic solute in 800.0 g of H2O?
gaseous carbon dioxide and liquid water react in the presence of chlorophyll to produce aqueous glucose (c6h12o6 ) and oxygen gas.
What volume, in liters, of O2 at 35 degrees C and 1.19 atm can be produced the decomposition of 50.0 g of KNO3? 2KNO3(s)-->2KNO2(s)+O2(g).
When limestone is heated it releases CO2 and CaCO. How many grams of CaCO3, whose purity is 95%, are required to yield 250. g of CaCO
An impure sample of copper sulfate weighing 5.52 grams was dissolved in water and allowed to react with excess zinc. CuSO4(aq) + Zn(s) = ZnSO4 (aq) + Cu(s) What is the percent CuSO4 in the sample if 1.49 grams of metallic copper was produced
A 11.655 g aliquot of this solution is then titrated with 0.1079 M HCl. It required 30.25 mL of the HCl solution to reach the methyl red endpoint. Calculate the weight percent NH3 in the aqueous waste.
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