A scientific law: is well tested, is unusually an equation, is an example of a scientific model, all of the above

Which of the following occurs when the ocean's salinity increases? a. density increases. b. density decreases. c. temperature increases. d. temperature decreases.

The energy produced by a nuclear reaction comes from:

What does semi-preamble mean

Loam is a soil texture that is composed of what

If you were a water molecules in a glass of water how would you best describe your relationship with the water molecules around you

What is the maximum number of covalent bonds an element with atomic number 8 can make with hydrogen?

What are the chemical formulas for ... Heptasulfur Pentoxide: Trisulfur Monochloride: Selenium Hexafluoride: Tetranitrogen Pentasulfide: Carbon Nonachloride: ?

Write an equation for the reaction of hydrogen chloride and sodium sulfide to produce hydrogen sulfide with sodium chloride. 1. Show the formulas of the reactants 2. Show the formulas of the products. 3. Write the balanced equation for this reaction

Martha has a large amount of 1.25 M H2SO4 in her lab. She needs 36 grams of H2SO4 for a chemical reaction she wants to perform. How many liters of solution should she use?

A student makes observations when water is added to a blue solution of copper sulfate. The student makes only 1 observation: the solution changes to a lighter shade of blue. Is this an example of a chemical reaction? Explain your reasoning.