How many moles are found in 133 g of Mg3 N2

How would these cells appear under a microscope at a higher magnification.

Astrology is a pseudoscience because: A. it needs to be tested more before it can be a real science. B. it claims to be, but is not, a science. C. it is a controversial science. D. it is a new and unproven science.

What chemicals are produced when you mix HC1 (aq) and KOH (aq) ? Nothing. There is no reaction. a. O b. NaOH and water. O c. CO2 and water O d. Water and KCl

What is meant by the term concentration?

Calculate the mass/volume percent (m/v) of 13.0 g nacl in 49.5 ml of solution.

During a nuclear reaction, mass is converted into (1) charge (2) energy (3) isomers (4) volume

The temperature reading of - 14°C corresponds to a Kelvin reading of: -287 K. 287 K. 297.6 K 259 K.

If element X consists of 64.6% of atoms with a mass of 34.0 u, 18.2% of atoms with a mass of 35.0 u, and 17.2% of atoms with a mass of 36.0 u, what is the average atomic mass of element X to the nearest hundredth?

Water has a K, value of 1x 10-13 1x 10-10 1x 10-15 1x 10-14

What evidence do scientists use to explain how the solar system formed? A) All the planets were a result of solar flares from the sun. B) All the planets are made of the same material, mainly helium.