Answer:
An object possesses gravitational potential energy if it is positioned at a height above (or below) the zero height. An object possesses elastic potential energy if it is at a position on an elastic medium other than the equilibrium position.
Elements from 57 to 71 are Lanthanoids and from 89 to 103 are Actinoids. Simply I would say Actinoids have less similarity in chemical properties than Lanthanoids. On the other hands, Actinoids have randomized chemical strutural bonds.
<span>I'm going to assume that the other reactant is sodium phosphate(you did not indicate this)
so i'm guessing that the reaction did this
CaCL2 + Na3(PO4) ------------> Ca3(PO4)2 + NaCl
(since this reaction was done in water(aqueous solutions involved) the NaCl would be in the solution and thus the filtrate of the product so it won't influence the mass of the calcium phosphate product)
so then you need to write the balanced equation for this reaction(lets assume you can do this)
3 CaCL2 + 2 Na3(PO4) ------------> Ca3(PO4)2 + 6 NaCl
so in theoretical analysis 3 moles of calcium chloride is involved in the production of 1 mole of calcium phosphate
in terms of molar mass equivalents 3 molesw of calcium chloride weigh = 3 x (40 + 71)g/mol = 333g
1 mole of calcium phosphate = 310 g
so if you only have 0.513 g of calcium chloride then this would calculate to get the mass of calcium phosphate
mass = [0.513 / 333] x 310 g = 0.477grams
your actual yield is what you massed when you performed the lab. hope that helped.
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The bubble will grow and the bottle will start to get hot and steam will fill the inside perimeter of the bottle, the bubble will get too powerful to the point where it will eventually blow open the bottles cover and let out steam.
