COPPER CARBONATE

PROCEDURE

• Put copper carbonate in the test tube
• Heat in Bunsen burner for 1-2 minutes
• Test gas with burning wood splint
• Copper carbonate is a green powder

RESULTS

• Powder turned black
• Wood splint went out indicating Co2
• Copper carbonate decomposed into CuO
• Co2 and CuO are products

CUCO3(S)---- CUO(S) + CO2(G)

MG + O2

PROCEDURE

• Hold Mg in bunsen Burner with tongs
• Place in watch glass after burning
• Mg started out shiny and silver
• Burned in orange flames
• Metal ended up charred and white

Untitled Slide

• White sparks
• Burnt a very bright white

2MG(S)+ O2(G)----- 2MGO(S)