If the pressure on the equilibrium system 2CO (g) + O2 (g) 2C02 (g) is increased, the quantity of CO2 (g) remains the same true or false

Which of these is always equal to the molar mass of any element? its atomic number its atomic weight its atomic formula its atomic structure

What turns blue litmus paper red and have a ph greater than 7?

To convert from Mass A to moles of B in stoichiometry problems, the following steps are followed: mass A - - > mass B - - >moles B mass A - - > moles B mass A - - - > moles A - - > moles B mass A - - > moles A - - >mass B--> Moles B

What is the mass percent of oxygen in sodium bicarbonate (NaHCO3) ?

Which of the following statements is a qualitative observation? A. The branch is three meters long. B. The substance tastes bitter. C. There are eleven students absent. D. The beaker contains four hundred milliliters of an unknown liquid.

According to the law of conservation of matter, which statement about chemical reactions is true? a. every atom destroyed in a chemical reaction must be replaced. b. atoms are created by some reactions and destroyed by others. c.

How many atoms of carbon are represented in 3CH3CH2O? 2 4 6 8

What is the atomic mass of heilum

Electronegativity Values Unknown Element Electronegativity A 3.44 B 0.79 C 1.8 D 2.0 Which two elements are most likely to form an ionic bond together? A and B B and C A and D C and D

Modern chemistry is based primarily on technological advances. natural philosophy. experimentation. philosophical speculations.