What is the ratio of fe 3 ions to o2 - ions in a neutral compound?

a. 1:2b. 2:1c. 2:3d. 3:2

When did viruses evolve?

In science, Jill is learning about solids such as brass, bronze, and steel. How should she classify these materials?

The nucleus of a certain atom has seventeen protons and eighteen neutrons. how many electrons does the atom have?

What is evaporation? Describe what happens at the molecular level during evaporation.

Vincent combines sodium and chlorine in two different beakers (beaker X and beaker Y). In both beakers, the chemical reaction shown below occurs. If beaker X is kept at room temperature and beaker Y is placed in a refrigerator, then

Consider the polymerization of styrene in toluene at 60°C initiated by di-t-butylperoxide for a solution containing 0.04 mol of initiator and 2 mol of monomer per liter. The initial rates of initiation, Ri, and propagation, RP, are found to be 1.

Which of the dollowing isotopes have 8 neutrons in the nucleus? 0-15 0-17 C13 O C14

Click the DeltaH is an Extensive Property button within the activity, and analyze the relationship between the two reactions that are displayed.

The fundamental unit used to measure mass is?

What are some ways population size is limited within an ecosystem?