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23 Nov 2019

(a) Calcium and chlorine react to give calcium chloride in acombination reaction. Write and balance the equation. (Type youranswer using the format CO2 for CO2. Use the lowest possiblecoefficients.)

( ) Ca + ( ) ( ) ? ( ) ( )

(b) Heating decomposes Na2CO3 to sodium oxide and carbon dioxide.Write and balance the equation. Type your answer using the formatCO2 for CO2. Use the lowest possible coefficients.)

( ) Na2CO3 ? ( ) ( ) + ( ) CO2

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Tod Thiel
Tod ThielLv2
24 Feb 2019

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