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
Andru [333]
3 years ago
7

The substances present before a chemical reaction takes place are called?

Chemistry
2 answers:
andrew11 [14]3 years ago
5 0
The substances present before the reaction are the reactants.  (As the reaction goes through, the substances that are produced are called the products of the reaction).
jeka57 [31]3 years ago
5 0
Reactants. just did the penn foster exam
You might be interested in
Las plantas ingieren alimentos del exterior?​
xeze [42]

Answer:

yes it is

Explanation:

b bc it is i did the test

7 0
3 years ago
What is the most important alloy that we use in construction?
olya-2409 [2.1K]

Answer:

construction means everything is built from

EXCEPT NATURE

Explanation:

MARK BRAINLIEST THANK U

HAVE A LOVELY DAY

5 0
3 years ago
Read 2 more answers
The use of phenol (carbolic acid) as a wound disinfectant was first practiced by:
uranmaximum [27]

Answer:

The use of phenol (carbolic acid) as a wound disinfectant was first practiced by Lister. The correct option is E

Explanation:

Phenol( carbolic acid) is an aromatic organic compound. It has the following properties:

- it's soluble in water

- it's a weak acid and

- highly reactive toward electrophilic aromatic substitution

In Medical field, phenol was first used as an antiseptic by Joseph Lister.Joseph Lister was a student at University College London under Robert Liston, later rising to the rank of Surgeon at Glasgow Royal Infirmary. He believed that patients who passed through surgery, died due to infections caused by microorganisms.He theorized that if germs could be killed or prevented, no infection would occur. Lister reasoned that a chemical could be used to destroy the micro-organisms that cause infection. He made use of the carbolic acid by soaking a clean cloth in them, and placing it over the surgical wounds of patients.

8 0
3 years ago
What metal will have properties most similar to those of chromium (Cr)? Why?
garri49 [273]
That element is manganese. As they are in same horizontal row (period) and are next to each other. That is why they show same properties. 

Hope this helps xox :)
5 0
3 years ago
Which is a symbol that represents SI units for temperature.
dsp73

Answer:

A.'C

Explanation:

Please answer my question

5 0
3 years ago
Read 2 more answers
Other questions:
  • If 5.3g O2 reacts with NH3 to produce 3.1g NO2, what would the percent yield of NO2 be?. . 4NH3(g) + 7O2(g) --> 4NO2 + 6H2O(g
    14·2 answers
  • Explain why liquids unlike gases are virtually incompressible
    8·1 answer
  • How many atom of cd are in 3.00g of cadmium
    8·2 answers
  • A tire at 21ÁC has a pressure of 0.82 atm. Its temperature decreases to _3.5ÁC. If there is no volume change in the tire, what i
    5·1 answer
  • Non-electrolyte = A, 10.6 grams, dissolved in solvent B, 740 grams, the boiling point of the solution is higher than the boiling
    14·1 answer
  • How to make a covalent bond
    6·2 answers
  • Can someone please help!
    15·1 answer
  • According to the following reaction, how many grams of carbon tetrachloride will be formed upon the complete reaction of 27.7 gr
    5·1 answer
  • For each process, predict the sign on the entropy change and write a sentence or two to explain how to make this prediction with
    9·1 answer
  • Iron(111)Carbonate +cesium > cesium carbonate +iron balced
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!