When vinegar and baking soda are combined, bubbles begin to form. Bubbles are evidence of a chemical reaction because they -

A. pop when they are touched.

B. show that a gas is forming.

C. form at a fast rate.

D. are generally transparent.

2 Na Cl2 2Naci sodium chloride 2. In the above reaction, what is the product? A Na, C, and I B Na, CI C NaCl D Na, Cl, and Naci

Which is the correct mole ratio of k3po4 to kno3 in the chemical reaction mg (no3) 2 + k3po4 ®mg3 (po4) 2 + kno3?

The ph of an aqueous solution at 25.0°c is 10.66. what is the molarity of h + in this solution? the ph of an aqueous solution at 25.0°c is 10.66. what is the molarity of h + in this solution? 4.6 à 10-4 3.3 2.2 à 10-11 1.1 à 10-13 4.6 à 1010

There, then, is my list of life chemistries, spanning the temperature range from near red heat down to near absolute zero: 1. fluorosilicone in fluorosilicone 2. fluorocarbon in sulfur 3. nucleic acid/protein (O) in water 4.

The ionization constant (Ka) of HF is 6.7 X 10 ^-4. Which of the following is true in a 0.1 M solution of this acid?

How many grams of KCl are produced when 60 grams of K are reacted?

Whats a solution! people

How do compounds affect an atom's stability

You need to make 10 mL of 2 mg/ml solution of protein and you have 25 mg/mL solution. How much protein solution and water do you need to mix in order to make the required solution?

The definition of volume is? a) width*height b) the space occupied by mass c) the space occupied by a liquid d) the mass of liquid required to fill a container