rust is iron (III) oxide Fe2O3 the owner of a 1959 cadillac convertable wants to restore it by removing the rust with oxalic acid but he needs to know how many moles of rust will be involved in the reaction how many moles of iron (III) oxide are contained in 2.50 kg of rust?

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)