Answer:
230.3 kJ
Some chemical reactions show release of heat while some show absorption of heat. On these bases, the reaction is classified as either endothermic or exothermic. Negative sign of ΔH means exothermic reaction.
Answer:
2CaO + 2CO2 → 2CaCO2 + O2 is right
Answer:
All elements of period 7 are radioactive. This period contains the actinides, which includes plutonium, the naturally occurring element with the heaviest nucleus; subsequent elements must be created artificially.
Explanation:
hope u understand :)
Look up a picture of the elements on a periodic table. Start reading from the top.
Answer:
250,000 ML is equal to 250 Liters.
Explanation:
The term 'Mili' multiplies the term 'Liter' by 1,000. Per every liter is 1000 milliliters.
