Which is evidence that a chemical Reagan occurred?

A. A phase change occurs

B. A new gas is observed in the form of bubbles

C. Red and yellow paint mixing to make orange

D. The temperature of the substance remains constant updates

Calculate the molar solubility of ca (io3) 2 in each solution below. the ksp of calcium iodate is7.1 * 10-7.

What is the function of spinal fluid? surrounds and protects the backbone lines the mucus membrane increases blood flow keeps the brain dry and warm

Write the chemical reaction for hydrogen thiocyanate in water, whose equilibrium constant is Ka. Include the physical states for each species Write the chemical reaction for thiocyanate ion in water, whose equilibrium constant is Kb.

18 g of argon occupy 750 ml at a particular temperature and pressure. How many grams of methane would occupy the same volume at the same temperature and pressure?

How many electrons does a noble gas, other than helium, have in its highest- occupied energy level?

How would a solution that is labeled 5.0 molar be similar to one labeled 5.0 molal?

Calculate the percentage by mass of nitrogen in ptcl2 (nh3) 2.

Below are the structures of three fatty acids, palmitic acid, stearic acid, and oleic acid. what combination of these fatty acids could you use to make a fat that is liquid at room temperature?

According to the quantum-mechanical model of the atom established by shrödinger, where may the electrons of an atom be found?

Renewable resources cannot be replaced in our lifetime