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2 years ago

PLEASE HELP!?Consumers must eat other organisms for energy. Which organisms are consumers in this food chain?

Chemistry

1 answer:

Vitek1552 [10]2 years ago

4 0

Answer:

Consumers must consume other organisms to get the food that they need and are known as Heterotrophs as they cannot make their own glucose. These consumers eat producers (plants). Herbivores are considered as first order consumers. These consumers eat consumers and producers (animals and plants).

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2 years ago

What are the 2 products of photosynthesis

makkiz [27]

Carbon dioxide and oxygen

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2 years ago

How many valence electrons do the halogens possess? group of answer choices

jok3333 [9.3K]

The valence electron does the halogens possess are 7

Valence electrons are found in the outermost energy level of an atom
They are involved in the formation of chemical bonding with other atoms.
The halogens elements are found in group 17 on the periodic table
The halogens include fluorine, chlorine, bromine, iodine and astatine.
They have seven valence electrons, so they are extremely reactive as they only need one more to fill their outer shell.
By octet rule we can say that the electron with 8 outer most shell is full and stable.

Hence the halogens posses 7 valence electron

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5 0

1 year ago

Chlorine is a halogen and has 7 valence electrons, which is represented by crosses on the left

makkiz [27]

There are 2 electrons in the overlapping region.

Chlorine is the second member of the halogen group which are form of family of elements that resemble one another very closely.

The electronic configuration of chlorine shows the arrangement of chlorine electrons within it's atom.

At the outer most shell of the atom is seven electrons, therefore requires only one electron each to attain the octet arrangement.

The overlapping of the orbitals indicates the chemical bond formed by sharing of electrons between atoms called covalent bonding.

To complete it's outer most shell, it will need to share electron with another chlorine atom.

Therefore, there are 2 electrons in the overlapping region.

Learn more here:

brainly.com/question/16396974

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2 years ago

A second reaction mixture was made up in the following way:

Leya [2.2K]

A. We can calculate the initial concentrations of each by the formula:

initial concentration ci = initial volume * initial concentration / total mixture volume

where,

total mixture volume = 10 mL + 20 mL + 10 mL + 10 mL = 50 mL

ci (acetone) = 10 mL * 4.0 M / 50 mL = 0.8 M

ci (H+) = 20 mL * 1.0 M / 50 mL = 0.4 M (note: there is only 1 H+ per 1 HCl)

ci (I2) = 10 mL * 0.0050 M / 50 mL = 0.001 M

B. The rate of reaction is determined to be complete when all of I2 is consumed. This is signified by complete disappearance of I2 color in the solution. The rate therefore is:

rate of reaction = 0.001 M / 120 seconds

rate of reaction = 8.33 x 10^-6 M / s

6 0

3 years ago