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SOVA2 [1]
3 years ago
7

Select The on that most applys Will mark brainliest

Chemistry
1 answer:
Setler79 [48]3 years ago
5 0

Answer:

A,C

Explanation:

Because the other question deal with convection but A,D show how the warm and cold water travel .

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What is an isotope? atoms of the same element with different number of​
geniusboy [140]

Answer:

The same element that contain equal number if protons but different number of neurons in their nuclei and hence differ in relative atomic mass

7 0
3 years ago
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If 1/4 cups are in 1 serving jow many servings are in 4 cups​
mote1985 [20]

Answer:

One serving is 1/4 cup therefore 1 cup would be 4 servings. Since we have 9 cups we would then multiply 9 x 4 and the answer would be 36 servings. You have a ratio of cups to serving, so 1/4 cup : 1 serving, or .

Explanation:

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3 years ago
Which sequence contains elements listed from most reactive<br> to least reactive?
maxonik [38]

Answer:

Transition metals, alkali metals, alkaline earth metals Transition metals - Middle of the periodic chart, only average reactivity. alkali metals - As mentioned above, very reactive. Bad choice, going from lower reactivity to higher reactivity.

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6 0
3 years ago
Which hydrogen atom would be most easily extracted by a bromine atom?
DerKrebs [107]
The proton which is easily abstracted in 1-Benzyl-3-propylbenzene is the proton which is present on carbon atom in between two phenyl rings, or the central carbon which is shared by two benzene rings.

This easy abstraction of proton is due to its high acidity. Remember those species are always more acidic whose conjugate base is stable. Like the acidity of carboxylic acid is due to stability of the acetate ion. 

In our case the stability of conjugate base arises due to stability of negative ion due to resonance. As shown below, the negative charge can delocalize on both rings.

I have shown the resonance of negative ion on both Phenyl rings with Blue and Pink colors.<span />

4 0
3 years ago
How many bonding pairs and lone pairs are there in co2​
Savatey [412]

Answer:

There are a total of 8 electrons around the carbon, in 4 pairs. Because there are 4 bonds, these are all bond pairs. Each double bond uses 2 bond pairs - which are then thought of as a single unit.

Explanation:

Hope this helps :)

5 0
2 years ago
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