How heavy is 23g?

my chemistry teacher was telling me about how heavy water is made up..and I was wondering..how can you get heavy water? do yo...

because it was really hot today and then I started hearing thunder followed by lightning and started raining really heavy t...

Radon Gas... is heavier than air..which is just one of many reasons why it lurks in the basement... but if it really is so h...

What properties cause a planet to have more or less gravity? And which properties do not impact gravity? Im curious.

I am writing a paper about winter storm in science and I am suposed to tell why they are the must destructive storms. can you...

When iron is sealed in a container and it rusts, will it weigh the same?

I need to write a purpose for doing my experiment, (I tested to see if music affects animal behavior) and im not sure why i d...

Does changing out the stock rims on my car for bigger rims have an effect on anything? (suspension, gas mileage, etc.)

Would an increased volume of a substance, increase it's density? Why or why not?

Any astronomy whizzes out there? I also wondered how Saturns ring stays in the perfect circle, rotating around the planet a...