How many atoms of oxygen (O) are required to form two molecules of sulfuric acid (H2SO4) ?

A. 2

B. 4

C. 6

D. 8

Which term describes the preserved remains or traces of animals, plants, or other organisms from long ago? A. cast B. fragment C. artifact D. fossil

Does all solid shapes lose their shape easily

Compared to an atom of C-12 an atom of C-14 has

Which of the following describes a Brønsted-Lowry base? a hydrogen ion acceptor an electron pair donor an electron pair acceptor a hydrogen ion donor

Because of the lack of reactives in a laboratory, you wish to prepare a solution of AgNO3 0.1 N, given two solutions, the first 0.0825N and the second 0.7280N. What volume of each of them you'll have to mix to obtain 1lt of the solution you want?

Which formula id correctly paired with its name? A. MgSO↓ = magnesium chlorine B. FeO = iron (|||) oxide C. K↓2O = Phosphorus dioxide D. CuCI↓2 = copper (||) chloride

Which of the following correctly explains the role of enzymes in biochemical reactions? A) Enzymes provide energy in the form of ATP to lower the activation energy needed for the reaction.

How does being a landlord relate to chemistry in any way

Element m has an ellectronegativity of less than 1.2 and reacts with bromine to form the compound MBr2. Element M could be?

Which situation describes evidence of a chemical change? A. When food color is added to water, it changes color. B. A solid changes into liquid when heated. C. A solution feels warm after a cool solid is added to it. D.