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Sodium hydroxide, NaOH, is a strong base that is sometimes used as a cleaning agent since it can be used to dissolve proteins, grease, oils, and fats.
Rank the following in increasing order of their molarity.
Rank from lowest to highest. To rank items as equivalent, overlap them.
a. 63.0 g of NaOH dissolved in 1.0 L of water
b. 6.625 g of NaOH dissolved in 250. mL of water
c. 8.0 g of NaOH dissolved in 500. mL of water
d. .530 g of NaOH dissolved in 100 mL of water
The equivalence point is reached after addition of 25.0 ml Naoh a) calculate the ionication ka for the acid HA
use the bond dissociation energies of h2 435 kjmol and of y typical carbon-carbon bond 347 kjmol to decide which bond
For an ensemble consisting of a mole of particles having two energy levels separated by 1000. cm-1, at what temperature will the internal energy equal
The chemical formula for octane is C8H18. Explain how many moles are present in a12.4g sample of octane
Find out whether or not each reaction is a redox reaction. For those reactions that are redox reactions, recognize the substance being oxidized and the substance being reduced.
How many grams of copper (lll) nitrate would be produced from 4.30 g of copper metal reacting with excess nitric acid
Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 0.061 M NaOH.
What conformational relationship between the Cl and F atoms in 1-chloro-2-fluoroethane will result in the greatest molecular dipole moment
Describe how you would prepare each of the following aqueous solutions. - 230 g of a solution that is 0.60 molal in Na2CO3 starting with the solid solute. - 1.30 L of a solution that is 18.0% Pb(NO3)2 by mass. (density = 1.16 g/mL)
the combustion of octane c8h10 with molecular ocygen is an exothermic reaction that produces carbon diocide and water.
What is the meaning of the term "end point" in a titration and what is true about the system at the end point
Consider the following system which has been shown to be spontaneous at 298K and select the true statement below. the ?S for the system is predicted to be negative, so therefore the ?S for the surroundings must be positive to a greater extent so tha..
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