In chemistry, we had a lab. In this lab, we took rusted copper cents and we put it in heated zinc chloride solution. I am just wondering what the name of this alloy is.

A scientist detected radiation escaping from a material encased in a thin metal box. What type of radiation did the scientist most likely detect?

The moment of atoms, ions, or molecules from a region of higher concentration to regions of lower concentration is called

A student asks why the ashes from a fire have a much lower mass than wood that was burned. Which is the correct answer to the student questions? A. Gases are released into the air B. Atoms in the wood are destroyed C.

What determines whether a compound will dissolve in water?

Defition of chemical change

Which ionic compound is used as a building material? A. salt B. limestone C. magnesium oxide D. iron oxide

What is the twisted ladder shape of the DNA called? 3-D model nucleotides double helix single strand

How many moles of sodium nitrate NaNO3 would be produced from the complete reaction of 253 g sodium chromate Na2CrO4

The equilibrium constant for the production of carbon dioxide from carbon monoxide and oxygen is kc=2*1011 this means that the reaction mixture at equilibrium is likely to consist of

Arrange these compounds in order of increasing standard molar entropy at 25°C: C3H8 (g), C2H4 (g), ZnS (s), and H2O (l).