A car moved 20 km east and 60 km west. What is it's average velocity?

An atom of silicon-30 contains 14 protons. How many electrons does it have?

Match the following vocabulary 1. A hydrocarbon that contain no double or triple bonds alkene 2. A hydrocarbon that contain a double bond hydrocarbon 3. A hydrocarbon that contain a triple bond functional group 4.

Determine the oxidation state of nitrogen in lino3.

Why does the dimethylaniline couple with the diazonium salt at the para position of the ring?

Which show how the properties of the two objects compare? A. temperature and total kinetic energy are different. B. Thermal energy and temperature are the same. C. Temperature and average kinetic energy are the same. D.

It is thought that organelles of eukaryotic organisms, such as mitochondria and chloroplasts (in plant cells) came from

How does temperature affect molecules

The color of Benedictâs solution is blue. What color does it change to in high sugar concentration?

What functional groups of the emulsifying agent provide the hydrophilic character? Do these groups affect the pH?

Which element has atoms that can form single, double, and triplecovalent bonds with other atoms of the same element? (1) hydrogen (3) fluorine (2) oxygen (4) carbon