Using the atomic masses and relative abundance of the isotopes of nitrogen given below, determine the average atomic mass of nitrogen.

N-14: 14.003 amu; 99.63%

N-15: 15.000 amu; 0.37%

A) 14.003 amu

B) 14.007 amu

C) 14.506 amu

D) 15.000 amu

Compare the number of valence electrons for each to whether or not they donate or receive electrons

What is the approximate molar mass of lauryl alcohol?

During photosynthesis, a plant uses energy from the sun to break apart glucose, water, and carbon dioxide. These molecules are used to make sugar to feed the plant and the plant then releases a by - product, oxygen, that humans breathe.

The reaction below describes cellular respiration. Which compounds are the reactants and which are the products? C6 H12 O6 + 6 O2 + 6 CO2 + 6 H2O

Name three group l bases and three group ll bases

How many grams of Cl are in 535 g of CaCl2?

2. An object experiences an acceleration, g, when it is on the surface of a planet of radius R. What will be the acceleration on the object after it has been moved to a distance of 4R from the center of the planet? A) 168 B) 48 C) 1/4 g D) 1/16 g

For a successful TLC experiment, you need to pay attention to the details. From the list of instructions and tips below, select the detail that is NOT important to a TLC experiment. O O Do not disturb the developing chamber.

The word atom means invisible?

A pycnometer weighs 25.60 g empty and 35.55 g when filled with water at 20°C. The density of water at 20°C is 0.9982 g/ml. When 10.20 g lead is placed in the pycnometer and the pycnometer is again filled with water at 20°C, the total mass is 44.83 g.