How much tin (Sn) is in 5075 atoms of tin?

What would you study with a transmission electron microscope?

A balloon is filled with gas at a pressure of 102.3 Kpa and a temperature of 45.5°C. It's volume under these conditions is 12.5L. The balloon is then taken into a decompression chamber where the volume is measured as 2.50L. If the temperature is 36.

The mass and volume of each sample differ from the mass and volume of the other samples. Is it possible for each sample to contain 1 mol of each substance? No, because they have different masses. No, because they have different volumes.

What happens if a geologist drips a small amount of vinegar (acetic acid) onto a sample of dolomite?

Penguins cannot live in the desert. Which of the following is the most important limiting factor? temperature light soil quality population density

Model describe how you would show j. j. thomson's model of the atom using small beads and clay

Switching one substance for another is called ... ? a) displacement b) synthesis c) decomposition d) oxidation

C2h4 + O2 - CO2 + H2O If we start with 20 grams of CH4, how many moles of CO2 will form?

How does chemical energy relate to the atom and how can we use it?

A positively charged atom is known as a cation. A cation will? ... A) have more protons B) have to same number of protons and electrons. C) Be the same as a neutral atom. D) have more electrons.