What is the Lewis Dot Diagram of gold?

Which of these is a baseball?

A calorimeter weighing 123.7g has a quantity of 20C water added to it. The combined mass of the calorimeter + cold water is 198.3g. 61g of water is heated to 60C and is poured into the calorimeter.

Why do objects that are under water look closer than they actually are

If you change the temperature of a gas but keep the volume the same, how does the pressure change?

Enough of a monoprotic acid is dissolved in water to produce a 1.35 M solution. The pH of the resulting solution is 2.93. Calculate the Ka for the acid.

The molecules of a substance are moving rapidly in a container. The molecules do not interact with each other. If the container is opened, the molecules will escape from the container.

Why is fluorine a gas?

What is the empirical formula for a compound if a sample contains 3.72g of p and 21.28g of cl?-pcl5-pcl3-p2cl10-p2cl5

Use the equation 2HgO--> 2Hg+O2 to find how many moles of mercury are produced if 27 g of oxygen are produced. 2.1 1.3 2.6 2.4

How much mass does an electron, proton, and neutron have?