Express 345.6 in scientific notation

Polar molecules are often able to dissolve in water because a. The partially charged regions of polar molecules are able to form hydrogen bonds with water molecules. b.

Compare the advantages and disadvantages of using nuclear energy.

The equation K2O represents the ionic bond between potassium and oxygen. What is the name of the compound?

Limestone may be made up of A) plant debris. C) fragments of granitic and andesitic rocks. 34) B) shell fragments from marine animals. D) animal bones.

Calculate a value for the density of FCC platinum in grams per cubic centimeter from its lattice constant "a" of 0.403 nm. The answer should have two decimals of accuracy.

At 25°C 12 M H202 is decomposed after 30 minutes the concentration of the H2O2 is found to be 9.5 M what is the average reaction rate for this decomposition reaction.

Give an example of a solution that can be seperated by simple distilation.

What is the h + concentration for an aqueous solution with poh = 3.35 at 25 ∘c? express your answer to two significant figures and include the appropriate units?

What information does a phase diagram give

Which cell structures function like power plants for plant or animal cells? A. nuclei B. vacuoles C. ribosomes D. mitochondria