Chromium metal reacts with oxygen to make chromium (II) oxide by the following reaction: Cr + O2 - Cro
Initially 15.0 g of chromium and 25.0 g of oxygen are present. Answer the following questions in th
space provided.
• What is the limiting reagent?
I
The limiting reagent is
• What mass of chromium(II)oxide is produced?
The mass of produced Crois
• What mass of the excess reagent remains
the end of the reaction?
The mass of remaining excess reagent is grams of ?

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Which statement best describes the liquid state of matter? a. it has definite shape but indefinite volume. b. it has definite shape and definite volume. c. it has indefinite shape and indefinite volume. d. it has indefinite shape but definite volume.

An unknown substance has been shown to have metallic bonds. which of the following is most likely a property of this substance? a. low conductivity b. low boiling point c. high malleability d. high solubility in water