2. Certain compounds called aerogels form rigid, lightweight foams that can

support a mass many times greater than their own. If a sample of an aerogel

has a volume of 8.73 cm and a density of 0.250 g/cm. what is its mass?

Which substance is the reducing agent in this reaction? 2KMnO4+3Na2SO3+H2O→2MnO2+3Na2SO4+2KOH

How can I find the answer for this?

The Sun is a main sequence star. During the last stage of its life cycle, it will become a white dwarf. It will shrink in size, but it will be very hot. Which of the stars in your chart do you think is a white dwarf and why?

Determine the reagents needed and the synthetic intermediate that is formed in the conversion of the secondary alcohol into the cyanohydrin given below. drag the appropriate labels to their respective targets.

What are some examples of endothermic reactions?

Balance the following redox equation in acidic solution using the smallest integers possible and select the correct coefficient for the H + (aq) ion.

Toussaint L' ouveeture lead a revolt that eventually resulted in Independence for

If a solution contains 1 x 106 hb molecules, how many o2 binding sites are available? if the solution of hb is 50% saturated with o2, how many binding sites are occupied by o2?

A. what are isotopes? b. how are the isotopes of a particular element alike? c. how are they different?

The line of longitude used as the origin in a system of coordinates