Is 2AI + 3O2 = 2AI2O3 balanced or unbalanced?

Which two substances are reactants in the chemical reactions of cellular respiration? I A. Carbon dioxide B. Water C. Sugar D. Oxygen

Radioactive decay can involve electrons.

Convert: 6 cubic centimeters to fluid ounces. 2.03 0.203 0.00203 0.000203

which the following types of rocks can be found as a part of mountains? A_metamorohic. B_sedimentary. C-Igneous D - all of above

02:Matter and Change What is one difference between a mixture and a compound? A. A compound can only be separated into its components by chemical means. B. A compound consists of more than one phase. C.

Why doesn't gravity pull water all the way to the center of the Earth?

What is centrifugation? Which substance is separated by this method?

All of the elements in a family or group have similar chemical properties. which of the following statements best explains why this is true? a. the elements in a group have the same number of protons in their nuclei. b.

A 124-mL bubble of hot gas initially at 212 °C and 1.80atm is emitted from an active volcano. What is the final temperature, in degrees Celcius, of the gas in the bubble outside the volcano when the final volume of the bubble is 138 mL and the

Describe the difference between a qualitative description and a quantitative description, and include an example of each.