HLLLPPP PLEASEE "4Fe + 302 + 2Fe2O3
How many moles of Fe2O3 are produced when 0.45 moles of Fe is reacted? Show your work. Include proper units and round your answer to the nearest hundredths place."​

Use the drop-down menus to answer each question. which runner finished the 100 m race in the least amount of time? which runner stopped running for a few seconds during the race? at what distance did anastasia overtake chloe in the race?

How are isotopes of the same chemical element alike? how are they different?

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.