12/08/24

Buoyant force (Archimedes's principle)
If an object is more dense than the oil but less dense than the water, will the object sink deeper in oil or water?
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12/06/24

cancelling my session
my tutor is not able to cancel my lesson and neither can I but i was already charged before hand. How do I do it?
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04/13/21

I need help solving equation before midnight! Help, please and thank you very much!
A sample of 568 mL of chlorine gas originally at 25° C was cooled to -25° C. What is thevolume of the cooled gas?
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06/10/20

Write a balanced equation to represent the reaction taking place in the erlenmeyer flask.

Write a balanced equation to represent the reaction taking place in the erlenmeyer flask.
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11/19/19

Expand: (x-3)^2
(A) x2-3x+9(B) x2-9(C) x2+3x+9(D) x2+9(E) None of these
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11/16/19

The concentration of the hydronium ion in an aqueous solution at 25 °C is 0.0092 M. What is the concentration of the hydroxide ion?
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11/06/19

Measuring Density

The density of platinum is 21.45 g/cm3 at 20˚C. Calculate the mass of 75.00 cm3 of platinum at this temperature.
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11/05/19

Calculate the [OH-] given [H3O+]=6.5×10−4M.
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