Which of the following best describes a single-replacement reaction? Two elements switch places in two compounds.
One element takes the place of another in a compound.
Two elements combine to form a compound.
A compound breaks apart into separate elements.

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

How many molecules are in 6.0 moles of methane

Answer explain why it is not possible to deduce a complete order of reactivity.