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
Ksivusya [100]
3 years ago
13

Which of the following did Mendeleev not believe in because he could not see them?

Chemistry
1 answer:
Zigmanuir [339]3 years ago
6 0

Answer:atoms

Explanation:

You might be interested in
Una muestra de 258.4 g de etanol (C2H5OH) se quemó en una bomba calorimétrica
Ilia_Sergeevich [38]

Answer:

Explanation:

Unclear question.

I infer you want a clear rendering, which reads;

A 258.4 g sample of ethanol (C2H5OH) was burned in a calorimetric pump using a Dewar glass. As a consequence, the water temperature rose to 4.20 ° C.

If the heat capacity of the water and the surrounding glass was 10.4 kJ / ° C, calculate the heat of combustion of one mole of ethanol.

4 0
3 years ago
Describe the benefits and the drawback of natural gas.
Finger [1]

When looking to power your equipment or vehicle with natural gas, the first question that springs to mind is: what is natural gas? A lot of people use natural gas in their homes for cooking and heating, but they don’t really give it some thought. So, let’s see what natural gas is and how it’s different from other forms of fossil fuels like oil and coal.

Natural Gas is a fossil fuel that exist in a gaseous state and is composed mainly of methane (CH4) a small percentage of other hydrocarbons (e.g. ethane). The use of natural gas is becoming more and more popular as it can be used with commercial, industrial, electric power generation and residential applications.


5 0
3 years ago
How can a chemical reaction be sped up?Select from the drop-down menu to correctly complete the statement.
lara31 [8.8K]

Answer: Catalyst

Explanation: it speeds it up lol but basically the catalyst helps speed up the chemical reaction by reducing the activation energy or changing the reaction machenism/

8 0
3 years ago
Rusting of iron can be prevented by wrapping iron articles in newspaper true or false​
pantera1 [17]

false, the rusting of iron can be prevented by painting, oiling, greasing or varnishing its surface.

3 0
2 years ago
Evidence shows that lakes are being affected by acid rain. Acid rain results in
Ostrovityanka [42]

Answer:

c

Explanation:

when the river is affected by the acid rain many species go into extinction

4 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following vertebrates evolved in the Carboniferous period?
    6·2 answers
  • Explain equilibrium based on collision theory.​
    10·1 answer
  • Explain how are you able to drink liquid through a straw
    7·2 answers
  • Describe the structure of our galaxy, including its spiral arms.
    5·2 answers
  • Why is warm honey easier to pour than cold honey?
    14·2 answers
  • Why the tilt of the earth on its axis does not not change?
    11·2 answers
  • How many electrons does the Lewis structure for phosphorus trifluoride have?
    15·1 answer
  • Atom A and Atom B have the same number of protons and neutrons, but they do not have the same nun ber of
    12·1 answer
  • What did I do wrong?
    12·1 answer
  • Please help! Is there another way that 3.40x10^-19J can be imputed on a computer. I have the right answer but it is wrong.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!