How many grams of carbon dioxide are produced from 0.98 mol of fe3o4?

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?