Convert the following numbers into Scientific Notation

1) 3.400

2) 0.000023

3) 101,000

4) 0.010

5) 45.01

6) 1,000,000

7) 0.00671

8) 4.50

Which unit would be used to measure the amount of matter in an object?

Two methods were described for determining the volume of the flask used for the molar mass determination. Which method will give a more precise determination of the volume.

g Calculate the concentration of hydronium in a solution that contains 5.5x10-5 M OH - at 25C. Indentify the solution as acidic, basic, or neutral. 1.8x10-10 M, basic 9.2x10-1 M, acidic 1.8x10-10 M, acidic 9.2x10-1 M, basic 5.5x10-10 M, neutral

Which subatomic particle is found in the nucleus of all isotopes of hydrogen

What are examples of convection?

Which of the following is a characteristic of nonmetals? a. nonmetals are often shiny and hard. b. nonmetals are often malleable. c. Nonmetals do not conduct electricity. d. nonmetals are often ductile.

How does a change in temperature affect the kinetic energy of the particles in a reaction?

Which characteristic best identifies an Arrhenius base

Which statement correctly describes why a compound is a pure substance? O A compound is not a pure substance because each of its molecules is m elements A compound is a pure substance because its molecule cannot be broken O A compound is not a pure

What negative impact did chemistry have on society through the production and use of chlorofluorocarbons?