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Which of the following are typically TRUE of an oxidizing agent? 1. It causes oxidation. 2. It gains electron(s). 3. It is the reduced substance. 4. all 5. none
determine the mass of unknown liquid that you transferred to the flask before heating in the determinig the molar mass of a volatile liquid by the dumas method expermant
With a solution in them connected by a liquid salt bridge junction filled with KNO3. In one solution you have a graphite electrode that is connected with a wire to a copper electrode in the second soution.
FE3+ SCN FeSCN2, how will adding potassium thiocyanate (KSCN) initially change [Fe^3+], [SCN], and [FeSCN^2+). how should equilibrium system respond to the change
A 498 mL sample of laughing gas, N2O, is at 30 oC and 414 torr pressure. (a) How many gas molecules are present? (b) How many atoms are there
If the O2 was the excess reagent, 8.3 mol of H2S were consumed, and 137.1g of water were collected after the reaction has gone to complain, what is the percent yield of the reaction?
how many grams of K2SO4 would you need to prepare 1500g of 5.0% K2SO4 (m/m) solution?
The molar mass for NaCl and water are 58.443 g/mol and 18.015 g/mol, respectively. Calculate the partial molar volumes for NaCl and water in a 0.35m solution
When o-phthaladehyde is treated with base, o-(hydroxymethyl)benzoic acid is formed. Show the mechanism of this reaction.
Their boiling points in C are: Ne -245, Ar -186, Kr -152, Xe -107. Using the periodic relationship between the noble gases, predict the boiling point of Radon.
Determine if the following reactions will form a precipitate when mixed. If one is formed, write the BALANCED formula unit, the COMPLETE IONIC, and NET IONIC equations. If a precipitate doesn't form, write NR for no reaction
However, both qsolution and it can be either positive or negative numbers. Based on this a) If the solution cools down, is T a positive or negative number? Explain.
with 0.1000M NaOH solution. if 22.00ml of the NaOH solution were required to neutralize completely 10.00ml of the malonic acid solution, what is the molarity of the malonic acid solution
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