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Julli [10]
3 years ago
14

1. What kind of diagram shows how energy flows from one organism to another?

Chemistry
1 answer:
shusha [124]3 years ago
5 0
It would be D.the food chain
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PLEASE HELP ASAP
katrin2010 [14]

Answer: Each ion, or atom, has a particular mass; similarly, each mole of a given pure substance also has a definite mass. The mass of one mole of atoms of a pure element in grams is equivalent to the atomic mass of that element in atomic mass units (amu) or in grams per mole (g/mol).

Explanation:

8 0
3 years ago
Which of the following statements does not describe the structure of an atom?  An atom has a small, dense center called the nucl
Gala2k [10]
<span>Inside the nucleus of an atom are protons and electrons. </span>
5 0
3 years ago
Read 2 more answers
Based on your knowledge of intermolecular forces and trends, select the statement that is most accurately compares HF and HCl.
tangare [24]

Answer:

(A) The intermolecular attraction between HF molecules are stronger than between HCl molecules mainly to due hydrogen bonding.

Explanation:

Since Flourine is highly electronegative and as such, when it bonds with Hydrogen it forms a hydrogen bond. Whereas the HCL molecule  is a polar molecule whose inter-molecular forces are dipole dipole interactions. Although a Hydrogen bond is a type of dipole dipole interaction it is stronger than the traditional dipole dipole forces and London dispersion forces. HF also has a shorter bond length which makes the bond and inter-molecular forces  stronger as compared to HCL.

8 0
3 years ago
Which of the following is NOT a standard state? Group of answer choices For a solid, it is 1 atm. For a solid, it is 25°C. For a
miv72 [106K]

Answer:

For a liquid, it is 25°F

Explanation:

The standard state for a liquid is 25°C

8 0
3 years ago
What are the four points of Dalton's Theory?<br>​
WARRIOR [948]

1. Elements are composed of atoms that are indestructible

2. All atoms of a given element are identical; same size/mass/chemical properties

3. Atoms of 1 element are different from the atoms of other elements

4. Compounds are composed of atoms with more than 1 element. The relative number of atoms for each element are of a given compound are always going to be the same.

(Extra one) 5. Chemical reactions are only ever going involve the rearrangement of the atoms. Atoms are not created/destroyed during the chemical reactions. (Law of Conservation of Mass: nothing can ever be created or destroyed.)

3 0
3 years ago
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