How many moles of o2 are needed for the complete combustion of glucose?

UILS Why is soap used to remove grease?

3.) What type of energy is released with the faucet? * A.) light B.) electrical C.) mechanical 4.) What type of energy from the sun? * A.) light B.) electrical C.) mechancial

Indicate whether each source is reliable or unreliable a goverment website a university professor's personal blog a commercial website an online peer-reviewed science journal

How was the first periodic table of the elements organized?

Consider these changes. (a) Hg (l) - >Hg (g) (b) 3O2 (g) - >2O3 (g) (c) CuSo4*5H2O (s) - >CuSO4 (s) + 5H2O (g) (d) H2 (g) + F2 (g) - >2HF (g) At constant pressure, in which of the reactions is work done by the system on the surroundings?

Convert: 65 kg to mg 65,000 mg O 65,000,000 mg O 65 mg

F. How many representative particles are in 6.78 moles of sucrose C12H22011?

The ratio of the lengths of two sides of a right triangle forms a

What element is used in making thermometers

How many dots are shown in the electron dot diagram for calcium, in group II and period 4 with 20 protons and 20 electrons? a. four c. eight b. two d. twenty