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romanna [79]
3 years ago
14

Which group of organisms is an example of a population?

Chemistry
1 answer:
nalin [4]3 years ago
7 0

Answer:Leopard Frogs all together in a stream

Explanation:

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For a half-reaction in an acidic solution, which substances should you add to balance the equation?
Alla [95]
The answer is a. H+ and H2O. For a half-reaction in acidic solutions, elements that are not hydrogen and oxygen are balanced first. Then we add H2O to balance oxygen atoms and we add H+ to balance the hydrogen atoms. We do the same steps for basic solutions, but we also add hydroxide ions OH- in the latter part.
8 0
3 years ago
Write electron configurations for the following ion: Cd2 Cd2 . Express your answer in order of increasing orbital energy. For ex
Mashutka [201]

Answer:

Cd2+ : 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10 or [Kr] 4d¹⁰

Explanation:

Before proceeding to write out the electron configuration of Cd2+, we have to obtain the electron configuration of Cadmium (Cd),

Cadmium has an atomic number of 48, this means that a neutral cadmium atom will have a total of  48  electrons surrounding its nucleus.

The electronic configuration of Cadmium is;

Cd: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10

The shorthand notation is given as;

Cd: [Kr] 4d¹⁰5s²

Cd2+ means that it has two less electrons, hence it's electron configuration is given as;

Cd2+ : 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10 or [Kr] 4d¹⁰

5 0
3 years ago
A buffer was prepared by mixing 1.00 mole of ammonia and 1.00 mole of ammonium chloride to form an aqueous solution with a total
lidiya [134]

Answer:

Idek sorry

Explanation:

So sorry i think its 1.00

3 0
3 years ago
I WILL Give BRAINLIST Unlike protists, organisms in the group Animalia
anastassius [24]

Answer:

B

Explanation:

B

have cells with a cell wall and are heterotrophic

5 0
3 years ago
If 9.0g of water contain 1.0 g of hydrogen what mass of oxygen is contained in 36 g of water
Mazyrski [523]
9/1 ratio so 9:1=36:x
X is your hydrogen in the 36g sample. To find the mass of Oxygen you subtract the mass of hydrogen from the total.
4 grams H
36-4=32 g h2o
4 0
3 years ago
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