<span>a pure substance that can be separated into different elements by chemical means</span>
Answer:
electrophile(H⁺) is needed to react with alkene in the first step and nucleophile (OH⁻) is not available in the first step
Explanation:
Answer:
-Warm air sinks, creating an area of low pressure.
Explanation:
Heat will weigh more, than cool air!
What is the percent by mass of sodium in Na2SO4? total mass of element in compound molar mass of compound Use %Element x 100