The volume of an object is 80.0cm3 and its mass is 253g. Calculate the density of this object using the correct number of significant figures.

Show a correct numerical setup for calculating the average atomic mass of sulfur

Give an example of a chemical formula and describe all of the information the formula tells you about the compound

Carbon monoxide reacts with oxygen to form carbon dioxide. 2 CO (g) + O2 (g) → 2C02 (8) In a 1.00 L flask, 3.40 atm of CO reacts with 2.60 atm of O2. Assuming that the temperature remains constant, what is the final pressure in the flask? 4.30 atm 2.

What is the chemical name for the compound with the formula Na2S? a. sodium fluoride b. magnesium sulfide c. lithium oxide d. sodium sulfide

Do all animals adapt in the same way to survive?

Is calcium carbonate a compound element or mixture?

Why do covalent bonds not involve the transfer of electrons

Originally, the periodic table was arranged by increasing atomic radius increasing atomic mass increasing atomic number increasing number of electrons

How many moles are in 15.5-g SiO2

Is Oxygen - O2 a pure substance or a mixture?