Answer:
To know if a reaction/experiment is exothermic or endothermic depends on the temperatures of the two liquids you are trying to mix. First before mixing your liquids take the temperature of both of them and write it down. then mix both liquids together to get your reaction and take the temperature of both mixed together. write it down. Did the temperature of your liquids increase or decrease? this question will determine weather the reaction was endothermic or exothermic. Endothermic meaning the temperature got cooler and Exothermic meaning the temperature got hotter/warmer
EX. | starting temperature- 72 F | ending temperature- 82 F | Exothermic
EX 2. | starting temperature- 72 F | ending temperature- 69 F | Endothermic
Explanation: I hope this helped you :)
Answer:
I will draw how the city looks like
Answer:
D.All chemicals are potentially dangerous
Explanation:
No chemical is toxicologically neutral
a chemical dye whose color is affected by acidic and basic solutions is an acid base indicator
Answer:
I need the actual answer choices to answer... BUT A pure element or compound contains only one substance, with no other substances mixed in. An example of a “pure compound” is salt.