Robert uses a spring scale to measure force. What are the units of his measurements? A. Pascals B. Volts C. Joules or D. Newtons

What is the correcr sum of Cl2+KBr=Br2+KCl

What does an atomic number represent in an atom? 1. Number of protons 2. Number of electrons. 3. Number of neutrons. 4. Number of protrond and neutrons

Name the type of equation shown here: 2NaBr+Ca (OH) 2 - >CaBr2+2NaOH A) double replacement B) single replacement C) combustion D) synthesis

Why is a liquid able to flow

A sample of dolomitic limestone containing only caco3 and mgco3 was analyzed. a. when a 0.2800 gram sample of this limestone was decomposed by heating, 75.0 milliliters of co2 at 750 mmhg and 20 degrees celcius were evovled.

Formula: C8H9O2N Which element is present in the the greatest proportions by number of particles?

Diatomic molecules of gases are due to ___ bonds.

A hypothetical element consists of 2 isotopes of masses 84.95 amu and 86.95 amu with abundance of 37.1% and 62.9% respectively. What is the average atomic mass?

How do polar molecules respond when they are placed between two metal plates one positively charged and one negatively charged?

As the temperature of a gas increases, the volume also increases. Which kind of relationship exist between temperature and volume? divergent direct O inverse O no relationship