Which best describes a molecule? a unit made of different kinds of elements a unit made of only one kind of element a unit made of two or more atoms a unit made of a single atom

The diagrams below represent the four states of matter. A container holds a number of blue balls, loosely packed. A container holds small number of yellow balls, spaced at random in the container.

Why are mole ratios important in stoichiometry?

Any element can always be identified by its:

A reaction was predicted to produce 32.4 grams of a compound. When the product was measured, there were only 26.1 grams made. What is the percent yield of this reaction? a. 80.6% c. 24.1% b. 6.3% d. 58.5%

Standard reduction potentials are 1.455 V for the PbO2 (s) / Pb (s) couple, 1.82 V for Co3 (aq) / Co2 (aq), 3.06 V for F2 (g) / HF (aq), 1.07 V for Br2 (l) / Br - (aq), and 1.77 V for H2O2 (aq) / H2O (l).

In your reading, perhaps you saw that in 1995, three chemists were awarded the Nobel Prize for their studies involving the ozone layer.

What is the resultant molarity of 20mL of a 3.5M solution is diluted to 100mL? Will mark brainliest

The shape of molecules that contain only two atoms is

Standing near a campfire, you can feel heat. This is an example of a) acceleration b) conduction c) convection d) radiation

Find the mass in grams of 2.00*1023 molecules of C10H140