Guys i really need someone to explain IGCSE chemistry to me there is stuff that i dont understand. PL HELP MY EXAM ISIN 3 MONTHS
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Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11