How many joules are needed to heat 20g of Cu from 10 to 50 degrees C?

50 pts plz what is the physical state of matter of baking soda.

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.

Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.