A certain recipe requires 3/2 cups of sugar an makes 2 dozen cookies. (1 dozen = 12). quantity a = the amount of sugar required for the same recipe to make 30 cookies. quanity B = 2 cups

A chemist prepares a solution of aluminum chloride (AlCl3) by measuring out 11 gr of aluminum chloride (AlCl3) into a 50 ml volumetric flask and filling the flask to the mark with water.

What is the relationship between mass and weight? A. Mass and weight are the same B. weight is always greater than mass C. mass is always greater than weight D. weight is the effect of gravity on mass

The meerkat is able to get all of the water in needs through its food and therefore never needs to drink water. This animal is well-adapted to survive in which terrestrial biome? A : desert B : tundra C : grassland D : rain forest

Weathering, erosion, pressing and cementing form what type of rock?

How many moles are present in 17.4 g of lead?

Energy cannot be created or destroyed. Does the statement describe a scientific law?

Use the concept of natural selection to explain why organisms typically adapt over time.

You might separate a mixture of aniline, p-cresol, benzoic acid, and toluene using ordinary laboratory reagents. 1. dissolving the mixture in a water-immiscible organic solvent - NaHCO3, H2O, CH2Cl2 2.

A chemical element is a pure substance that consists entirely of one type of what

Calculate the mass percent composition of sulfur in Al2 (SO4) 3. Calculate the mass percent composition of sulfur in Al2 (SO4) 3. 28.12 % 42.73 % 35.97 % 9.372 % 21.38 %