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
marissa [1.9K]
3 years ago
8

Which of these is an indication that a chemical reaction has occurred?

Chemistry
1 answer:
grandymaker [24]3 years ago
3 0
C. The formation of precipatation
You might be interested in
What is rate of reaction? Discuss in brief slow and fast reactions.<br>​
Sindrei [870]
The reaction rate or rate of reaction is the speed at which a chemical reaction takes place, defined as proportional to the increase in the concentration of a product per unit time and to the decrease in the concentration of a reactant per unit time.

Reactions that happen quickly have a high rate of reaction. For example, the chemical weathering of rocks is a very slow reaction: it has a low rate of reaction. Explosions are very fast reactions: they have a high rate of reaction. Rate of reaction is an example of a compound measure.
3 0
3 years ago
Sand dunes are created when the wind carrying the sand runs into an obstacle A. True B. False
Troyanec [42]

A. True

They are formed behind an obstacle when the wind blows the sand up to it.

3 0
3 years ago
How is radiant energy transformed into chemical energy?
hodyreva [135]

Answer:

Photosynthesis is the transformation of radiant energy to chemical energy. Plants take in water, carbon dioxide, and sunlight and turn them into glucose and oxygen. Called photosynthesis, one of the results of this process is that carbon dioxide is removed from the air.

Explanation:

7 0
3 years ago
Read 2 more answers
Which of the following is the best explanation for why it is important to follow lab safety guidelines
____ [38]

Answer:

B

Explanation:

The main aim of lab rules is to minimize the no of accidents

5 0
3 years ago
What type of substance contains more than one kind of element joined by chemical bonds?
Usimov [2.4K]

<span>The answer is compound.  Elements are composed of one kind of atoms bonded together. There are different types of compounds: ionic, complexes, molecular, and intermetallic compounds. The proportion of elements in the compound is expressed using a chemical formula. An example of an element is Aluminium while an example of a compound is H2S (Hydrogen sulfide).</span>






3 0
3 years ago
Other questions:
  • Why is it so important in an ideal simple experiment to change only one variable from trial to trial?
    8·1 answer
  • Which is most affected by a tropical warm air mass?
    13·2 answers
  • What is free-fall acceleration near earth's surface
    6·2 answers
  • Can some one work out this equation for me :)
    11·1 answer
  • How many milliliters of a 1.25 molar hydrochloric acid (HCl) solution would be needed to react completely with 60.0 grams of cal
    14·1 answer
  • What are the two roles that the pancreas plays?
    14·2 answers
  • Consider a voltaic cell where the anode half-reaction is Zn(s) → Zn2+(aq) + 2 e− and the cathode half-reaction is Sn2+(aq) + 2 e
    11·1 answer
  • Calculate the number of moles of each compound, given the number of molecules.
    5·1 answer
  • Two atoms that share one electron each between have a ?
    12·1 answer
  • 1. The maximum recommended amount of citric acid (H3C6H5O7; the 3 hydrogens listed first are the acidic hydrogens – the only hyd
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!