How can you demonstrate that helium takes up space?

You have a unknown liquid in a beaker you add powder to the liquid the solutions begins to bubble and smoke rises is it possible to retrieve the powder

What happens to the ph of a glass of water when you blow bubbles into it with a straw?

It is NOT possible for a virus to infect a bacterium. T or F

Ammonia is a gas with a characteristic pungent odor. It is sold as a water solution used in household cleaning. The gas is a compound of nitrogen and hydrogen in the atomic ratio 1:3. A sample of ammonia contains 7.933 g N and 1.712 g H.

Is H1 + An atom or an ion

When using a. csv file for Lookups, the first row in the file represents this?

If you were presented with 2l of a 2m sucrose stock solution, how many grams of sugar would be in a 100 ml aliquot?

1. What is something you might see a scientist doing?

Is fire living or non living

Which of these is used to find the estimated age range of a fossil?