9. I've been called a "storage tank" by those with little taste. I'm a sac filled with water, food,

enzymes, or waste.

What distinguishes a substance from a mixture?

How does litmus paper identify a base?

A 17.0 g sample of quartz, which has a specific heat capacity of 0.730 Jg, is dropped into an insulated container containing 200.0 g of water at 85.0 °C and a constant pressure of 1 atm. The initial temperature of the quartz is 7.2 ℃.

Which statement differentiates between prokaryotic cells and eukaryotic cells? Eukaryotic cells have DNA; prokaryotic cells do not. Prokaryotic cells have DNA; eukaryotic cells do not. Eukaryotic cells have nuclei; prokaryotic cells do not.

Which statement best compares the moon and Earth? They both spin at the same speed. The moon has carbon dioxide, but Earth has oxygen and nitrogen. They both take the same time to complete one revolution around the sun.

The molecule xef2 does not obey the octet rule

A theory is another word for a (n)

Give two examples of diffusion process in plants and animals.

If it takes 54 mL of 0.1 M NaOH to neutralize 125 mL of an HCl solution, what is the concentration of the HCl?

9. I've been called a "storage tank" by those with little taste. I'm a sac filled with water, food, enzymes, or waste.