How much energy is required to melt 2 kg of aluminum? Use the table below and this equation: Q = mLfusion

Use examples from the article to explain one positive and one negative effect that chemistry has had on society

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?

What are the first three quantum numbers for the electrons located in subshell 2s?