A) 1 cm ---------- 10 mm
14 cm ---------- ?
14 x 10 / 1 => 140 mm
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b) 1 cm ----------- 0.00001 km
14 cm ---------- ?
14 x 0.00001 / 1 => 0.00014 km
Answer:
ExplaAt high temperatures MgCO3 decomposes to magnesium oxide and carbon dioxide. This process is important in the production of magnesium oxide. This process is called calcining: MgCO3 → MgO + CO2 (ΔH = +118 kJ/mol)
nation:
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