Whats a process that keeps food safe and clean

If one species in a community does out or moves, the community will A) be affected. B) stop working. C) not be affected. D) replace the species.

The density of nickel is approximately 8.908 g/cm3. What is the mass of 17.45 cm3 of nickel?

How many grams of NaBr are needed to make 60 g of a 5.0% solution?

It is the year 230 BC. Archimedes just invented a brand new method to measure density by dividing the weight of an object by its volume. He wants to use it in court to prove that his cousin's crown is not made of pure gold.

What happens when there is no ozone layer

When forces attracting solvent particles to each other are broken, what is provided for a solution? energy for the solute to precipitate space for the solute in the solvent inertia for the solute to move into the solvent nothing is provided

What occurs when a magnesium atom becomes a magnesium ion?

Two electrons are shared equally in bromine. what type of bond is represented between the bromine atoms in this Lewis structure

6. A gas mixture has partial pressure of 120 torr N2, 350 torr Ar, and 480 torr SF6. What is the mole fraction of sulfur hexafluoride in the mixture?

The population of rabbits in a forest is decreasing. Foxes in that region are now competing with each other for the limited number of rabbits in that forest. Which type of competition exists among these foxes?