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
marin [14]
3 years ago
15

Are scientific theories all proven facts?

Chemistry
2 answers:
SSSSS [86.1K]3 years ago
8 0
No! That’s why they’re called theories. Most of them have a lot of facts to back it up however the theories themselves are either proven or just hypothetical.
Triss [41]3 years ago
8 0

Answer:

Any scientific theory must be based on a careful and rational examination of the facts. Facts and theories are two different things. In the scientific method, there is a clear distinction between facts, which can be observed and/or measured, and theories, which are scientists' explanations and interpretations of the facts.

Explanation:

A scientific theory is an explanation of an aspect of the natural world that can be repeatedly tested and verified in accordance with the scientific method, using accepted protocols of observation, measurement, and evaluation of results.

You might be interested in
"Calculate the number of millimoles in 500 mg of each of the following amino acids: alanine (MW = 89), leucine (131), tryptophan
Cloud [144]

Answer:

- Alanine =  5.61 mmoles

- Leucine = 3.81 mmoles

- Tryptophan = 2.45 mmoles

- Cysteine = 4.13 mmoles

- Glutamic acid = 3.40 mmoles

Explanation:

Mass / Molar mass = Moles

Milimoles = Mol . 1000

500 mg / 1000 = 0.5 g

- Alanine = 0.5 g / 89 g/m → 5.61x10⁻³ moles  . 1000 = 5.61mmoles

- Leucine = 0.5 g / 131 g/m → 3.81 x10⁻³ moles  . 1000 = 3.81 mmoles

- Tryptophan = 0.5 g / 204 g/m →  2.45x10⁻³ moles . 1000 = 2.45 mmoles

- Cysteine = 0.5 g / 121 g/m → 4.13x10⁻³ moles . 1000 = 4.13 mmoles

- Glutamic acid = 0.5 g 147 g/m → 3.40x10⁻³ moles . 1000 =  3.4 mmoles

5 0
3 years ago
Why does perchloric acid cause macromolecules to precipitate?
asambeis [7]
Perchloric acid (HCO₄) is one of strongest inorganic acids. Perchloric acid  precipitation is used to removes most of the protein present in the sample and stabilize many of the small molecule analytes. It can use also to precipitation glycogen, ATP, glutathione, antioxidants.
Perchloric acid donates protons to macromolecules and lower their solubility in water. Also perchloric acid is strong oxidizing agent and change oxidation number of elements.
7 0
3 years ago
The reaction of nitrogen with methane in excess oxygen produces water, ________, and ___________. N2(g) + O2(g) + CH4(g) → CO2(g
IrinaVladis [17]

Answer:

C.

Explanation:

3 0
2 years ago
a box contains 4 bags of sugar.the total mass of all 4 bags is 6kg.what is the mass of each bag in grams
andre [41]
The answer is 1.5kg because 6\4=1.5
3 0
3 years ago
Read 2 more answers
Cobalt chloride Select one: a. Does not exist as a hydrate b. Forms a single hydrate which may be pink or blue c. Forms differen
Anarel [89]

Answer:

c. Forms different hydrates which have different colors

Explanation:

4 0
3 years ago
Other questions:
  • Which of the following is a single replacement reaction?
    6·2 answers
  • why do solids keep their shape and volume why do liquids keep only volume and why do gases not keep either shape or volume
    6·1 answer
  • How is the outer core a liquid?
    11·1 answer
  • A reaction mixture is at equilibrium. What happens when the amount of one of the
    6·1 answer
  • What best explains why sodium is more likely to react with another element than an element such as neon?
    9·2 answers
  • Liquids are similar to gases in that they both have
    9·1 answer
  • Is this statement true or false? A chemical reaction is balanced when the number of atoms of each element is the same for both t
    12·1 answer
  • Explain how astronomers use spectrographs to identify the composition of a star.
    6·1 answer
  • Which function of lysosomes is carried out by vacuoles in plant cells
    13·1 answer
  • How many mols in 22.45g of water?
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!