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3 years ago

What 4 characteristics do all animals have?

Chemistry

2 answers:

Setler79 [48]3 years ago

6 0

Answer:

1. Animals are multicellular.

2. Animals are heterotrophic, obtaining their energy by consuming energy-releasing food substances.

3. Animals typically reproduce sexually.

4. Animals are made up of cells that do not have cell walls.

5. Animals are capable of motion in some stage of their lives.

6. Animals are able to respond quickly to external stimuli as a result of nerve cells, muscle or contractile tissue, or both.

plz mark me as brainliest :)

Alexandra [31]3 years ago

4 0

All animals have the least four common characteristics although they are not exclusive to the Animalia kingdom, these characteristics include heterotrophic, multicellular, mobility/motility and cells without cell walls.
Hope this helps!

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What is the electron configuration for oxygen with a 2- charge (o2-)?

Juli2301 [7.4K]

Oxygen:
Atomic no. = 8(from periodic table)
⇒1s^2 2s^2 2p^4
But it is O^2-
There are 2 more electrons
=>1s^2 2s^2 2p^6
Voila!

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3 years ago

The molar mass of the compound was found to be 30.069 g/mol. what is the molecular formula? express your answer as a chemical fo

kodGreya [7K]

For us to accurately determine what compound this is, additional info must be given. However I can suggest two compounds which have molecular mass of about 30.07 g/mol.

1. It could be NO or nitric oxide.

The molecular mass is 16 + 14= 30 g/mol

But if we search the exact weight, it is 30.01 g/mol

2. It could also be (CH3)2 or ethane.

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But if we search the exact weight, it is 30.07 g/mol.

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3 years ago

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11Alexandr11 [23.1K]

Answer:

The ability to be maintained at a certain rate or level

Explanation:

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3 years ago

Describe the three main sub?atomic particles. Include mass (with units), charge and location for each.

Afina-wow [57]

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3 years ago

Consider the following reaction:

NeX [460]

For the given reaction, according to the Law of Conservation of Energy, the energy required to decompose Hcl and produce $H_{2}+c l_{2}$ are equal.

Answer: Option C

<u>Explanation:</u>

According to law of conservation's of energy, energy can only be transferred from reactants to product side. So in this process, it is stated that 185 kJ of energy will be needed to decompose it. So that 185 kJ of energy will be getting transferred to produce the creation of hydrogen and chloride in the product side.

So if we see from the reactants side, the energy of 185 kJ is required for decomposition of hydrogen chloride. Similarly, if we see from the product side, the 185 kJ utilized for decomposition is transferred as energy required to create hydrogen and chlorine atoms. This statement will be in accordance with the law of conservation's of energy.

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3 years ago

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