1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
atroni [7]
3 years ago
8

What are some observable indications that a chemical reaction has occurred?

Chemistry
1 answer:
Leya [2.2K]3 years ago
8 0
Bubbles, release of gas, change in color, release of a smell, change in temperature, formation of a precipitate, 
You might be interested in
6th grade work help me please (:
frozen [14]
The trophosphere contains the most water vapor!
3 0
3 years ago
Which phrase best describes an exothermic chemical reaction? a does not absorb any energy b forms products with higher bond ener
-Dominant- [34]
<span>The correct answer is d. The reaction releases more energy than it absorbs. An example of an exothermic reaction is fire. Connecting the carbon atoms in wood with the oxygen in the air causes flames and gives of heat and light.</span>
8 0
3 years ago
A student jumps of a sled toward the west after it stops at the bottom of an icy hill. Based on the law of action-reaction, in w
Delicious77 [7]

Answer:

East

Explanation:

Given Newton's third law of motion; "Action and reaction are equal and opposite", when a student jumps off a sled toward the west after it stops at the bottom of an icy hill, the sled will move in the East direction.

This is because, the force exerted on the sled is a reaction force and is opposite in direction to the force that thrusts the boy westward though equal in magnitude with the former.

3 0
2 years ago
How many parents are needed to produce a baby tiger?
marysya [2.9K]

Answer:

Only 2

Explanation:

3 0
2 years ago
A similarity ratio of scale factor is the ratio of the lengths of the corresponding of two similar polygons
Arturiano [62]

Answer:

go to hellfhshahahahahahahahahaha  aha

Explahhhhahah

7 0
3 years ago
Other questions:
  • 2. What do you get when you add the following
    13·1 answer
  • At STP, which 2.0-gram sample of matter uniformly fills a 340-milliliter closed container?
    14·1 answer
  • A 50.0 mL graduated cylinder has a mass of 65.1 g. When it is filled with an unknown liquid to the 49.3 mL mark, the cylinder an
    6·1 answer
  • Which molecule is a source of energy a store of energy in the body and can mix with water
    14·2 answers
  • Water is moving across a membrane from solution a into solution
    13·1 answer
  • Mercury’s name means ____________.
    14·1 answer
  • What volume change occurs to a 400.0 mL gas sample as the temperature increases from 22.0 °C to 30.0°C?
    5·1 answer
  • A 3.76 g sample of a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was combusted in excess oxygen. This
    15·1 answer
  • Hiiii :D !! I need help please :&gt;
    7·1 answer
  • Why is this temperature scale (Celsius) different and/or better than the other temperature scales?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!