243 grams of zinc oxide would be produced by the thermal decomposition of 375 grams of zinc carbonate.
<h3>What is Thermal Decomposition?</h3>
Heat causes one component to break down into two or more other substances in a process known as thermal decomposition. The heat is used to dissociate the bonds that held the original molecules' atoms together, hence the reaction often uses up more heat energy than it produces.
According to the periodic table:
zinc molar mass is 65.38 grams
12 gm is the molar mass of carbon
oxygen molar mass is 16 grams
ZnCO3 molar mass is 65.38 + 12.3 + 16.4 = 125.38 gm.
ZnO has a molar mass of 65.38 + 16 = 81.38 grams.
Therefore, the mass of ZnO in 375 gm is equal to (375 x 81.38) / 125.38, or 243.4 gm.
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Answer:
water/h20
Explanation:
the earth is mostly contained of water
Answer: C you have a small amount of substance
