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Questions (5)
What allows water to form hydrogen bonds?
A. the V-shape of the molecule B. two pairs of unbonded electrons C. two single bonds
0 answers
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upon cumbustion of a 0.144g sample of Mg, 0.090g of O2 is used. Though the sample likly contains impurites (substance other than
2 answers
433 views
upon cumbustion of a 0.144g sample of Mg, 0.090g of O2 is used. Though the sample likly contains impurites (substance other than
1 answer
418 views
calculate the mass of potassium hydrogen phthalate which must be dissolved in water to make 500ml of a 0.2000M solution
1 answer
617 views
The date of the first Friday in November can be represented by thevariable F. Write an expression using F for each of the
1 answer
596 views
