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max2010maxim [7]
4 years ago
11

An organism that regulates its body temperature using external heat sources is an example of

Chemistry
2 answers:
katovenus [111]4 years ago
6 0
A cold-blooded animal. Cold-blooded animals can't generate heat themselves so they have to use external sources to keep them warm.
ra1l [238]4 years ago
6 0

Answer : Ectotherm (cold-blooded animal).

Explanation : An organism that regulates its body temperature using external heat sources is an example of an Ectotherm.

Any cold-blooded animal can be called as an Ectotherm; They are any animal which requires regulation of body temperature according to their environnment and depend on external sources, such as sunlight or a heated rock surface.

These ectotherm includes the category of fishes, amphibians, reptiles, and invertebrates in their class.

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isotopes of hydrogen are protium,deuterium and tritium

8 0
3 years ago
Coal and diamond are both minerals .they are both expensive.why
Liula [17]

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hard to find

Explanation:

4 0
3 years ago
Read 2 more answers
Given the following Fischer projection: Fischer projection for an entantiomer of 2-bromo-2,3-dihydroxypropanal with the bromine
harina [27]

Answer:

Explanation:

Stereoisomers are two or more atoms that  have the same bonding order of atoms but there is a difference  spatial arrangement of  the  atoms in space.

A plane of symmetry divides a molecule into two equal halves.

A chiral stereoisomer are not superimposed on a mirror image , Hence they do not posses a plane of symmetry.

As a result to that. these non-superimposable mirror images are said to be Enantiomers.

However, a Fischer Projection emanates from a two - dimensional figure which is used for presenting a three - dimensional organic molecules.

From the given question;

Fischer projection for an enantiomer of 2-bromo-2,3-dihydroxypropanal with the bromine oriented horizontally to the left and the hydroxide group oriented horizontally to the right.

we can sketch the way the enantiomer of 2-bromo-2,3-dihydroxypropanal can  be seen like the one shown below:

              CH₂OH

                   |

                   |

                   |

Br -------------|----------------OH

                   |

                   |

                   |

                 CHO

The objective of this question is to drawn the perspective formula of the molecule.

So , from the attached file below; we can see the perspective formula of the molecule in a well structured 3-D format.

5 0
3 years ago
How do you find the core electrons of the elements in the periodic table?
marysya [2.9K]

Answer:

by determining or looking up the electron configurations of the main group elements.

Explanation:

The valence electrons participate in chemical reactions. ... You can also find the core and valence electrons by determining or looking up the electron configurations of the main group elements.

3 0
3 years ago
A gas with a volume of 4.0L at a pressure of 205kPa is allowed to expand to a volume of 12.0L. What is the pressure in the conta
mr Goodwill [35]

Answer:

68.3 kilo Pascal is the pressure in the container.

Explanation:

To calculate the new pressure , we use the equation given by Boyle's law. This law states that pressure is inversely proportional to the volume of the gas at constant temperature.

The equation given by this law is:

P_1V_1=P_2V_2

where,

P_1\text{ and }V_1 are initial pressure and volume.

P_2\text{ and }V_2 are final pressure and volume.

We are given:

P_1=205kPa\\V_1=4.0 L\\P_2=?\\V_2=12.0 L

Putting values in above equation, we get:

P_2=\frac{P_1V_1}{V_2}

=\frac{205 kPa\times 4.0 L}{12.0 L}=68.3 kPa

68.3 kilo Pascal is the pressure in the container.

5 0
3 years ago
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