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Consider the following distribution of objects: a 1.00-kg object with its center of gravity at (0, 0) m, a 4.20-kg object at (0, 6.00) m, and a 2.40-kg object at (4.00, 0) m. Where should a fourth object of mass 7.00 kg be placed so that the center of gravity of the four-object arrangement will be at (0, 0)?
the freezing point of a CaCl2 solution is -25 degrees C. a) what is the molality(m) of the CaCl2 solution? b) what is the boiling point of the CaCl2 solution
The molar heat capacity of silver is 25.35 J/Mol * degrees celcius. How much energy would it take to raise the temperature of 11.7g of silver by 16.9 degrees celcius?
q1.if 21.64ml of 9.44times10-4m kmno4 solution is required for the titration calculate how many mgs of ca2 are present
What is the Lewis structure of the covalent compound that contains one nitrogen atom, one hydrogen atom, and one carbon atom
Formic acid has a Ka TEN times larger than that of acetic acid. In solutions with the same molarity, the formic acid solution will have this many times the [H+] of the acetic acid.
Question- When you are adding solids to the test tubes, what sample size should you use. Describe the sample size with words and shetch
How is the number of unpaired valence electrons in an atom related to the number of bonds that the atom can form
As mentioned in the text, Ni3Al is used in the turbines of aircraft engines because of its strength and low density. Nickel metal has a cubic close-packed structure with a face-centered cubic unit cell
When sodium chloride is added to the solution, no precipitate forms. when sodium sulfate is added, a precipitate forms. this precipitate is filtered of and sodium carbonate is added to the solution
A 10.0 ml solution of 0.050 m agno3 was titrated with 0.025m nabr in the cell: s.c.e. || titration solution | ag(s) determine the cell voltage for these volumes of titrant: 0.1ml and 30.0 ml.
what is the value of equilibrium constant Kp if the total pressure is 11 atm?
when 92.0 grams of nonionic compound were dissolved in 985 grams of water the freezing point of the solution was found
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