What are sig figs in chemistry.

The factor that affects how easily an electron can be removed from an atom is the A. surrounding atoms. B. temperature of the environment. C. size of the atom. D. structure of the atom.

How do the dot product and the cross product resemble (or differ from) the ordinary product of two numbers?

What do scientists generally do if they are NOT sure what the expected value of a measurement should be?

You take 50 mL of small BB's and combine them with 50 mL of large BB's and you get a total of 90 mL BB's of mixed size. Explain

Determine the mass in grams of each of the following: (a) 0.600 mol of oxygen atoms (b) 0.600 mol of oxygen molecules, O2 (c) 0.60 mol of ozone molecules, O3

Describe your observations of the original solutions. Describe your observations when the silver nitrate was added to the sodium chloride solution.

A gas occupies 18.5L at stp. what volume will it occupy at 735 torr and 57°c?

When two elements form two different compounds, the masses of element B that combine with 1 g of element A can be expressed as a ratio of small whole numbers.

Which best identifies why the rusting of an iron nail in the presence of water and oxygen is in oxidation-reduction reaction

In the laboratory hydrogen gas is usually made by the following reaction:Zn (s) + 2HCl (aq) = H2 (g) + ZnCl2 (aq) How many liters of H2 gas, collected over water at an atmospheric pressure of 752 mmHg and a temperture of 21 Co, can made from 3.