Answer :
An egg cooking is an endothermic reaction.
A candle burning and Plaster & water combining and becoming warm are exothermic reaction.
Salt being added to water, with no change in temperature neither endothermic nor exothermic reaction.
Explanation :
- Endothermic reaction : It is a type of reaction in which energy is absorbed in the form of heat from the surroundings.
- Exothermic reaction : It is a type of reaction in which energy is released in the form of heat from the system.
An egg cooking : In this process, the energy is absorbed in the form of heat.
A candle burning and Plaster & water combining and becoming warm : In both the process, the energy is released in the form of heat.
Salt being added to water, with no change in temperature : In this process, neither energy released nor absorbed.
Answer:
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Orbitals am only hold two electrons each, so 3 orbitals can hold 6 electrons
Answer:
DNA
Explanation: Because if you stretch DNA it gets longer.
She would be 150 on the moon because the moon has half the mass of earth
