Why do the properties of a pure substance not vary from sample to sample

What is the difference between fats and oils? A. Oils are lipids and fats are proteins. B. At room temperature, fats are solid and oils are liquid. C. Fats are lipids and oils are carbohydrates. D. Fats are triglycerides and oils are waxes.

Was the first person t propose the idea of moving continents as a scientific hypothesis

To convert between moles and molecules, you need to ... a. use Avogadro's number as a conversion factor b. use molar mass as a conversion factor c. use molar volume at STP as a conversion factor d.

How do I balance Hg (NO3) 2

How much heat is released when 161 g of steam at 100 degree C cools to ice at 0 degrees celcius

Biofuel is any fuel that is produced from living or once living matter in a short period of time, days, weeks, or even months.

How are revolution and year related

Read the scientific question below. "Does sunlight make plants live?" What is a likely hypothesis for the question?

A chemist is using a solution of HNO3 that has a pH of 3.75. What is [H+] for the solution?

What is the oxidation number for CO2