9 Focusing upward can crack a shidle.
You should use only laus tissue to clean a microscope lens
VITI
Find the Parts. Write the name of the microscope part next to the correct line in the picture.
9.
2.
10.
3.
5
.
a.
171
S.
6.
12.
7.
13.
8.
14.​

How many moles of gas are present if p=11 atm, v=12l, t=185k?

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.