The reducing agent in the reaction described in Fe + 2HCl → FeCl2 + H2 is A. H2. B. Fe. C. HCl. D. FeCl2.

If 0.84 mol of CS2 reacts with oxygen completely according to the equation CS2 (ℓ) + 3 O2 (g) → CO2 (g) + 2 SO2 (g) what volume (total) would the products occupy if they were measured at STP?

2. The operation 12.34 + 56.78 will have a final answer calculated to the place. tens ones Correct answer 3 tenths hundredths

How does density relate to the cold and warm air masses?

Which of the following is a heterogeneous mixture? Air. Salt water. Steel. Soil.

What is the best description of the bohr model of the atom?

An aqueous solution is made from a molecular compound rather than from an ionic compound. If some ions are present in solution, which best describes the solute? A. a weak electrolyte B. a nonelectrolyte C. a strong electrolyte D.

Which of the following measures the radiation given off by atoms per second?

What is the name of the outermost layer that forms a boundary around the outside of each cell

What does an ionic compound form?

How many electrons in an atom could have these sets of quantum numbers n=7 l=3 ml=-1?