Which of the following is NOT an indicator of a chemical reaction? A. Producing a solid B. Changing color C. Breaking into small pieces D. Producing light

What is basic of matter that can't be broken down

Explain how solubility guidelines can be used to predict the formation of a precipitate

Which of the following transitions (in a hydrogen atom) represent emission of the longest wavelength photon? a) n = 1 to n = 2 b) n = 3 to n = 1 c) n = 3 to n = 4 d) n = 4 to n = 2 e) n = 5 to n = 4

The concentration of a saturated solution of an ionic compound at 25 oC is 7.00E-4. The formula for this compound is XQ3.

What is the total number of moles of solute in 2.0 liters of 3.0 M NaOH A) 1.0 mole B) 2.0 moles C) 3.0 moles D) 6.0 moles

If 5.1 l of antifreeze solution (specific gravity = 0.80) is added to 3.8 l of water to make a 8.9 l mixture, what is the specific gravity of the mixture?

You have 1 L of soda your class can hold 400 ML of soda how many glass of the soda can you get out of one L

Condensation requires? a) the removal of energy b) the absorption of energy. c) no energy change.

What is the species that determines the ph of a solution?

Echoderms contain a what similar to the kind that vertebrates have