If a color change occurs when two solutions are mixed is it true that a chemical react has probably taken place?

Which property is constant in the combined gas law? pressure temperature volume number of particles

Using complete sentences compare solids, liquids, and gases in terms of structure.

The first step in scientific inquiry would be

Which of the following is true about neutrons? A) Neutrons provide a positive charge to the atomic nucleus. B) Neutrons neutralize electrons. C) Neutrons provide a negative charge to the atomic nucleus.

What is the ph of an aqueous solution at 25.0 °c that contains 3.98 ⋅ 10-9 m hydronium ion? what is the ph of an aqueous solution at 25.0 °c that contains 3.98 10-9 m hydronium ion? 5.600 9.000 8.400 7.000 3.980?

True or False: A Solar eclipse occurs when Earth casts a shadow on the Moon.

To which digestione organ dose food travel it leaves the stomach

How should a stopper be handled after is has been removed from a reagent bottle?

How will increasing the pressure on the system affect this equilibrium reaction? 2H2 (g) + O2 (g) - > 2H2O (g)

What are small round structures in the cell that breaks down large food particles into smaller ones