Which of the following substances is heterogeneous?

A. 3% hydrogen peroxide

B. The lint from your clothes dryer

C. A copper wire

D. Iron

E. Baking soda

What is the electron configuration of the Flouride ion (F-)

Power is calculated using

Ligand with the name aqua when used in complexes with transition metals has the formula

Carla is reading an article about a certain species of bacteria that can grow on the leaves of house plants. The article explains that the bacteria are heterotrophic. A. The bacteria are probably eubacteria because they live on common plant leaves B.

Compare the forces of attraction between molecules in water, sugar and oxygen. Rank them in order from greatest to least. A) water, sugar, oxygen B) oxygen, water, sugar C) sugar, water, oxygen D) sugar, oxygen, water

Identify the missing numbers below to show the result of dividing the numbers 5.6 x 10^12 / 3.5 x 10^9 = A x 10^B

If you made 6 moles of NO2 How many grams of N2 did you use N2+2O2> 2NO2

At what temperature in Kelvin will 0.0965 moles of chlorine exert a pressure of 2.02 atm at a volume of 0.652 L?

How can a mixture of nails and sawdust be most efficiently separated into its component parts? A:By cooling it B:By filtering it C: By using a magnet D:By using a catalyst

A 10.0 L balloon contains helium gas at a pressure of 655 mmHg. What is the new pressure, in mm Hg, of the helium gas if the volume is 20.0 L and if there is no change in temperature or quantity? 6550 mmHg 1000 mm Hg 1310 mmHg 300 mm Hg