If the mass of a material is 118 grams and the volume of the material is 12 cm3, what would the density of the material be?

The element europium exists in nature as two isotopes: 151eu has a mass of 150.9196 amu, and 153eu has a mass of 152.9209 amu. the average atomic mass of europium is 151.96 amu. calculate the relative abundance of the two europium isotopes.

If Hershey and Chase had used radioactive oxygen in their experiments instead of phosphorus and sulfur, what results would they have likely obtained? a. They would have observed a radioactive signal in both the pellet and the liquid. b.

How many electrons does fluorine have? How many electron shells? How many electrons are needed to fill the valence shell?

During cytokinesis the divides distributing the organelles into each of the two new cells

What can affect the processes of the water cycle?

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