Explain why the production of a gas doesn't always mean a chemical reaction has occurred

Cranberry juice at the store A. homogeneous B. heterogeneous C. solution D. colloid E. suspension

The titration of 25.0 mL of an unknown concentration H2SO4 solution requires 83.6 mL of 0.12 M LiOH solution. What is the concentration of the H2SO4 solution (in M)

A rectangle solid of unknown density is 5 m long two meters high and 4 meters wide. The mass of this solid is 300 grams. Find the volume and density

Describe a procedure you could use to separate the components of a mixture of sand, gravel, salt, and iron fillings. Identify which component (s) would be separate at each step, and why.

An anion is an atom with an overall what charge?

Does Silicon-32 has a half-life of 170 years and can be used to find the age of rocks it is contained in.

What tool would you use to compare the mass of two objects

The first three electrons that enter into p orbitals must have a. parallel spins. b. opposite spins. c. low energy levels. d. opposite charges.

Write the chemical symbols for three different atoms or atomic cations with 19 electrons.

A sample of dolomitic limestone containing only caco3 and mgco3 was analyzed. a. when a 0.2800 gram sample of this limestone was decomposed by heating, 75.0 milliliters of co2 at 750 mmhg and 20 degrees celcius were evovled.