The only definite evidence of a chemical reaction is

A) The production of new substances

B) Changes in phase

C) Formation of a gas

D) A color change

Fórmula de 10 ácidos

3 Ni2 + (aq) + 2 Cr (OH) 3 (s) + 10 OH - (aq) → 3 Ni (s) + 2 CrO42 - (aq) + 8 H2O (l) ΔG∘ = + 87 kJ/molGiven the standard reduction potential of the half-reaction Ni2 + (aq) + 2 e - → Ni (s) E∘red = - 0.

Transamination removes the amino group to form a carbon skeleton that contains only carbon, hydrogen, and oxygen atoms. True or false.

Describe how the temperature of urban areas like Atlanta, Philadelphia, and Chicago differs from that of surrounding rural areas.

What substance can act as catalysts in the body?

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