The answer is D. The reaction always towards engergy releasing and entropy increasing. So the reactions that release energy can occur spontaneously. For B, catalysts can only increase the reaction speed. It can not trigger one specific reaction. For C, many mild reaction can release energy, like NaOH + HCl.
Answer from: Quest
ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called
Answer from: Quest
Gravitational force i believe
Another question on Biology
Biology, 21.06.2019 16:00
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