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CO2 properties: appearance, reaction with limewater, reaction with flame, behavior with water. If positive observation then write a balanced equation.
If 420 Joules are added to 20 grams of water to 30oC, what will be the final temperature of the water?
A particular brand of gasoline has a density of 0.737 at 25C . How many grams of this gasoline would fill a 13.3 tank?
What is the molar concentration of a H3PO3 solution if 150.00 mL of the solution was required to neutralize 75.00 mL of NaOH whose concentration was 1.50 molar?
What is the theoretical yield of vanadium that can be produced by the reaction of 40.0 g of V2O5 with 40.0 g of calcium based on the following chemical reaction?
a step by step answers for those Question please. Please be brief. What is the PH of a buffer prepared by combining 25mL of 0.1M nitrous acid with 25mL of 0.1M sodium nitrite?
Determine the molarity of this solution. (b) If I use 1 cup of vinegar (236.588 mL) to help create a cleaning solution for my windows, how many molecules of acetic acid is this?
What should the solubility of a compound be in a solvent it is to be recrystalized from?
A second assay was performed by making a derivative, ammonium phospho-molybdate, which has visible absorption peak at ~ 400nm. From the Beer's Law plot, estimate the concentration of the unknown solution
Please explain in detail how get the pKa to solve the problem. that the pKa is supposed to be 6.37, but that does not seem to get the right
Describe the formation of malonyl-CoA, showing structures. Be sure to list the enzyme that catalyzes the reaction.
Calculate the vapor pressure of a solution containing 25.3g of glycerin C3H8O3 in 125mL of water at 30.0C. The vapor pressure of pure water at this temperature is 31.8torr}
Calculate approximately the heat released when you are given a chemical equation as 2-methyl-1-propene CH 3 ) 2 C CH 2 reacts
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