A power plant uses 54 million Joules of chemical energy to produce 17 million Joules of electrical energy. What is the efficiency of this process

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.