What determines the identity of an element

Which statement would indicate the presence of an acid? A) It tastes bitter ... B) It does not react with active metals. C) It reacts with active metals to form a gas. D) It does not change the color of litmus paper

Heredity is defined as A. the ability to reproduce within an organism. B. the passage of genetic instructions from one generation to the next generation. C. the adaptations of an organism to its environment. D.

How many moles of copper are needed to react with sulfur to produce 0.25 moles Ol copper (1) sulfide according to the following reaction: 2 Cu + S + Cuzs

What is the basic unit of energy?

How can we tell if water freezing is a physical reaction or a chemical reaction?

What is the volume of 2.00 moles of chlorine (cl2) gas at stp, to the nearest tenth of a liter?

A reaction of 12.640 g of copper oxide with 0.316 g hydrogen produces 2.844 g of water and Xg of copper. X=_9

If i burn steel wool inside a closed jar or bottle will the oxygen be completly gone

700 grams of glucose reacted fully with oxygen How many moles of gas will be created

The uranium used for nuclear fuel exists in nature in several minerals. Calculate how many moles of uranium are in 8.00 moles of the following: 1. carnotite, K2 (UO2) 2 (VO4) 2 • 3H2O 2. uranophane, CaU2Si2O11 • 7H2O 3.