Why is the R group in an amino acid important

A sample of gas at 301 Kelvin and 1.5 atmospheres has a density of 3.90 g/L. What is the molar mass of this gas? Show all of the work used to solve this problem.

Which statement describes how the bond between two oxygen atoms is formed?. a) by sharing valence electrons with many other atoms. b) by the repulsion between ions of like charges. c) by the attraction of two oppositely charged ions.

Which of the following is formed when a barium atom achieves an octet? Ba Ba2- Ba2+ Ba2

Which state (s) of matter do not have a definite shape nor volume? A. Liquids only B. Liquids and gases C. Gases only D. Gases and plasmas

Ocean waves are caused by density thermal energy the wind the moon

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

In the ground state, has only 1 electron in a p orbital. A. carbon B. fluorine C. hydrogen D. nitrogen E. aluminum

Which of the following is a mixture? alcohol water mercury ink

A gas occupies 3.5 L at standard pressure. Find the volume of the gas when the pressure is 1.5 atm.

What is the temperature (in K) of 16.45 moles of methane gas in a 4.95 L container at 4.68 atm?