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Chemistry

1 answer:

erik [133]3 years ago

8 0

Answer:

Explanation:

Because The temperature of our hand could be hot and it could be melting the smoothie

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Please help actual answer

Fed [463]

Answer:

Explanation:

E.92

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4 0

3 years ago

An isomer with a branched structure will require: more energy to melt than the straight chain structure a higher temperature to

Oxana [17]

Correct answer: An isomer with a branched structure will require: less energy to melt than the straight chain structure.

Reason:

The branched chain compounds have lower melting and boiling points as compared to straight chain isomers.This is due to the fact that branching makes the molecule more compact. This results in decreases in surface area of isomer. But, the intermolecular attractive forces depends on the surface area of compound. Thus, branched isomers have lower intermolecular force of interaction, as compared to straight chain isomers. Consequently, the melting/boiling points of the branched chain isomers are lower as compared to straight chain isomers.

3 0

3 years ago

Scandium forms the ion Sc3+. How many bromite ions could bind with Sc3t, and what would be the chemical formula?

ser-zykov [4K]

Answer: 3 bromite ions will bind with $Sc^{3+}$ and the chemical formula will be $Sc(BrO_2)_3$ .

Explanation:

For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.

Here scandium is having an oxidation state of +3 called as $Sc^{3+}$ cation and bromite is an anion with oxidation state of -1 called as $BrO_2^-$ . Thus they combine and their oxidation states are exchanged and written in simplest whole number ratios to give neutral $Sc(BrO_2)_3$ .

Thus 3 bromite ions will bind with $Sc^{3+}$ and the chemical formula will be $Sc(BrO_2)_3$ .

8 0

4 years ago

The number of

valkas [14]

Answer:

The number of protons in the nucleus of an atom is the atomic number of that element. Because atoms are electrically neutral, the number of protons and electrons in an atom are equal. The sum of the protons and neutrons is the mass number.

6 0

3 years ago

Scientists hypothesize that a certain species of animal existed in the past.

Nitella [24]

Answer:b

Explanation: it is the most logical and the others don't make sence

3 0

4 years ago