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
8CO + 17H2 → C8H18 + 8H2O
nekit [7.7K]

\frac{6.50mole CO}{1} \frac{17mole H2}{8mole CO}\frac{2 gram H2}{1mole H2}  =27.625

3 sig figs= 27.6

4 0
3 years ago
Plz help me with this question plzzzzz​
LekaFEV [45]

Answer:

6

Explanation:

Formula: Al2O3

If we require 2Al2O3

                       We divide 2 by 3

Sorry for the shadow of phone and fingers.

 

8 0
3 years ago
(3 pt) The cost of a space mission is roughly $60 million. What type of obstacle to space exploration does this represent? A. fu
erastova [34]
Im pretty sure its A funding because thats alot of money
7 0
3 years ago
Read 2 more answers
Describe how the size of the sun compares to the sizes of the other stars.
alina1380 [7]

Answer:

The sun's circumference is about 2,713,406 miles (4,366,813 km). It may be the biggest thing in this neighborhood, but the sun is just average compared to other stars. Betelgeuse, a red giant, is about 700 times bigger than the sun and about 14,000 times brighter.

Explanation:

looked it up

6 0
2 years ago
Read 2 more answers
How many moles are in a 111.5 gram sample of sodium chloride, NaCl?
Katarina [22]

Answer: 1.91 moles

Explanation:

First you want to find the molar mass of NaCL

Na = 22.99g  Cl = 35.45g

22.99g + 35.45g = 54.44g

Then divide 111.5g by 54.44g and this will give you moles.

5 0
2 years ago
Other questions:
  • Explain the relationship between chemical bonds and energy in the body.
    13·1 answer
  • Chemical formula for copper I acetate
    15·1 answer
  • How does an atom with too many neutrons relative to protons undergo radioactive decay?
    13·2 answers
  • What element has the atomic mass 26.981538​
    5·1 answer
  • A sample of a substance has a volume of 60.5ml and a density of 1.20g/ml what is density of magneis
    9·1 answer
  • Explain how pressure affects a scuba diver rising to the surface
    14·1 answer
  • Part B Identify the sets of quantum numbers that describe all the electrons in the ground state of a neutral beryllium atom, Be.
    6·1 answer
  • a solid substance a is soluble in water to the extent of 10 mg/ml of water at 25oc and 100 mg/ml of water at 100oc. you have a s
    14·1 answer
  • C2H6O + _02&gt; _CO2 + _H20<br> +<br> Please help balance this equation
    11·1 answer
  • (a) What is the basis of the approximation that avoids using the quadratic formula to find an equilibrium concentration?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!