Which of the following can be true about a chemical reaction

a chemical reactions can release heat <
b chemical reactions can take in heat
c chemical reactions can create new products
d chemical reactions never require energy

Identify a specific example for each type of technology

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

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.