Which of these items is a simple machine?
1. Battery
2.Axe
3.Lighter
4. Toaster

Your answer should have the same number or significant figures as a he starting measurement. 3201 ml =

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

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