A mineral that breaks into irregular pieces is said to show which of the following?

a. cleavage

b. fracture

c. luster

d. hardness

Theoretically, how many moles of carbonic acid will be produced by 3.00 g sample of NaHCO3?

The concentration of calcium in a cell is 0.3%. The concentration of calcium in the surrounding fluid is 0.1%. How could the cell obtain more calcium?

A 1.00 liter sample of H2 gas is collected at 25.0°C and 202.6 kPa. What volume does this sample occupy at STP

What is the molarity of a solution of naoh if 2 liters of the solution contains 4 miles of naoh

Explain what happens when strong acids and bases dissolve in water.

Hf is a stronger acid than nh + 4. which base would be stronger: f - or nh3? 1. f - 2. both bases would be equal in strength. 3. nh3 4. cannot tell from the information given. 5. neither f1 - nor nh3 would be bases.

The concentration of commercially available concentrated nitric acid is 70.0 percent by mass, or 15.9 M. Calculate the density and molality of the solution.

Whats 2 properties of iron?

Which light packs the highest energy per photon

Which of the following hydrocarbons will most likely be found around cows?