What would the mass spectrum of magnesium look like if a small portion of atoms were ionized to 2 + ions?

50cm3 of sodium hydroxide solution was titrated against a solution of sulfuric acid. The concentration of the sodium hydroxide solution was 20g/dm3.

What are some of the careers involving Space and the study of the Universe?

An alkane used as a lubricant contains 25 carbon atoms. How many hydrogen atoms are present in its structure?

Naturally occurring chlorine that is put in pools is 75.53 percent 35Cl and 24.47 percent Cl. Calculate the average atomic mass.

Read the list of substances. Wood, Copper, Iron, Foam Which substances are good conductors of heat? A. Iron and Foam B. Cooper and Iron C. Wood and Foam D. Wood and Cooper

What is the species that determines the ph of a solution?

Echoderms contain a what similar to the kind that vertebrates have

Study the following unbalanced redox reaction. Which one of the following choices represents the balanced redox equation? PbS + O2→ PbO + SO2 PbS + 2O2→ PbO + 2SO2 2PbS + 2O2→ 2PbO + 2SO2 2PbS + 3O2→ 2PbO + 2SO2 3PbS + 3O2→ 2PbO + 2SO2

Arrange these gases in order of decreasing standard molar entropy: Rank from largest to smallest. Kr, Cl2, SO3

A car traveled at a constant velocity of 70 mph from noon to 2:00 pm. At 3:00 pm the velocity of the car was 80 mph; and finally at 4:30 pm the velocity of the car was 40 mph.