Hitesh wants to learn swimming. He brought swimming costumes and a cap. What kind of material should these be made of and why?

What is the study of how matter and energy interact? a. biology b. physics c. planetary science d. chemistry

Who is better, messi or cristiano, i need this for a chemistry class. asap

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon