I think it’s either the chromophore or the photoreceptors
Answer:
single replacement reaction.
The periodic table is a representative of all elements we know today.
A test tube becomes cool to the touch.
Explanation:
The signs for an endothermic reaction would most likely be that a test tube becomes cool to touch. An endothermic reaction is a reaction in which heat is absorbed from the environment.
- At the end of this heat change, the surrounding becomes colder.
- Most endothermic reactions are always shown by the test tube becoming colder.
- For exothermic reaction in which heat is given off to the surroundings, the tube should be hotter.
Learn more:
Exothermic reactions brainly.com/question/10567109
#learnwithBrainly
Mole weighs about 55.845 g. One mole of any element equals it's atomic mass in grams.. idfk if this helps but hope it does lol
