Calculate the density of a piece of bone with a mass of 3.8 grams and a volume of 2.0 cubic centimeters. 1.9 g/cm3 0.53 cm3/g 7.6 g / cm3

The atomic number of nitrogen is 7. The number of electrons a neutral nitrogen atom has is

If 25.0 g of NH3 and 38.9g of O2 react in the following reaction, how many grams of NO will be formed? 4 NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H20 (g)

A rock has the density of 8g/ml. If the rocks mass is 2g what is the rocks volume?

Two of the seven different pea traits examined by Mendel involved genes that we now know are linked. Knowing this, can you explain why Mendel was still able to use results from his crossing experiments to develop the principle of independent

Which substance has Hf defined as 0 kj/mol? A. H2O (s) B. Ne (I) C. F2 (g) D. Co2 (g)

How do they make square watermelons?

In which orbital does an electron in a bromine atom experience the smallest?

To balance an equation, what should you never change?

How is energy involved in what happens during a chemical reaction

C6h6is an example of an