Which of the following is a valid mole ratio from the balanced equation 2Fe2O3 + 3C - 4Fe + 3CO2? 2 mol Fe,
O
4 mol Fe
4 mol C
3 mol Fe
2 mol Fe, o,
4 mol C
3 mol C
4 mol CO2

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

In an exothermic reaction at equilibrium, what is the effect of lowering the temperature? a. the reaction makes more products. b. the reaction makes more reactants. c. the reaction is unchanged.

The three sub fields of forensic entomologists