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Given the formulae for calcium ion is Ca2+ and carbonate ion is CO32-. Choose the correct chemical formula of calcium carbonate.
1. 1 answer
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If 59 J of heat is added to an aluminum can with a mass of 22.2 g , what is its temperature change? Specific heat capacity of
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2. 932 views
If ABCD is a rectangle with center Z (where the diagonals bisect), and AC = 3x+11 and BD = 2x+31, what is x?
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2. 743 views
Are these quadrilaterals parallelograms?(quadrilateral ABCD with diagonals intersecting at E) 1. AB is congruent to AD and AB is
1. 1 answer
2. 664 views
Are these quadrilaterals with the following characteristics parallelograms?(quadrilateral ABCD with diagonals intersecting at E)
1. 0 answers
2. 642 views
pros and cons of traditional economy
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that guy probably wasnt having a good day
a cd-rw is a type of

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