You perform a chemical reaction in a beaker. When the reaction is complete, you see vapor coming out of the cup and the temperature increases from 23 °C to 45°C. What type of reaction is this? O Exothermic
O Endothermic
O There is not enough important to tell
O Temperature is not an indication of exothermic or endothermic reactions.

answer; i believe the correct answer is (c) /// is a homogeneous mixture of gaseous substance nitrogen,oxygen and smaller amounts of other substancesmixtures can be either ( homogeneous or heterogeneous)plz check first good luck

i think so it’s will be b yes i believe its

qualitative observation deals with data that can be observed with our senses: sight, smell, touch, taste, and hearing. they do not involve measurements or numbers. for instance, colors, shapes, and textures of objects are all qualitative observations.