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3 years ago

A cube of butter weighs .254 pounds and has a volume of 129.4 milliliters what is the density

Chemistry

1 answer:

ira [324]3 years ago

4 0

Density = Mass/Volume

d = .254/129.4

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Wet snow is best for snow man building<br>

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Answer:

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Explanation:

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2 years ago

James exclaims to his chemistry teacher that a new element has been discovered that fits between Nickel and Copper on the period

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Complete and balance the molecular equation for the reaction of aqueous sodium carbonate, Na 2 CO 3 Na2CO3 , and aqueous nickel(

antoniya [11.8K]

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<u>Explanation:</u>

Net ionic equation of any reaction does not include any spectator ions.

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$Na_2CO_3(aq.)+NiCl_2(aq.)\rightarrow 2NaCl(aq.)+NiCO_3(s)$

Ionic form of the above equation follows:

$2Na^{+}(aq.)+CO_3^{2-}(aq.)+Ni^{2+}(aq.)+2Cl^{-}(aq.)\rightarrow NiCO_3(s)+2Na^+(aq.)+2Cl^-(aq.)$

As, sodium and chloride ions are present on both the sides of the reaction. Thus, it will not be present in the net ionic equation and are spectator ions.

The net ionic equation for the above reaction follows:

$Ni^{2+}(aq.)+CO_3^{2-}(aq.)\rightarrow NiCO_3(s)$

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2 years ago

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