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Marina86 [1]
3 years ago
9

Jeremy had a set of 500 toy blocks that could be connected by snapping them together. At first, he used all the blocks to build

a small house. Later, he rearranged all the blocks to build a small car. How did the mass of the house compare to the car?
Chemistry
2 answers:
valentina_108 [34]3 years ago
6 0
The masses were the same
Nat2105 [25]3 years ago
3 0

Answer:

The masses were the same.

Explanation:

study isalnd :)

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How many moles of electrons are required to reduce one mole of MnO4- to one mole of Mn2+? (2 points)
Dafna1 [17]
The answer would be 6 e-. This is becuase you are turning a charge of -4 into a +2. In order to do this, you transfer 4 electrons for a neutral charge, and an additional 2 for a charge of +2.

This makes a total charge of +2, and the total transferred electrons 6 e-
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One way in which elements differ from each other is the structure of the electron cloud in each elements Atoms in electron cloud
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Not sure what you are asking. I have two possible answers though...

It could either be more negatively charged, or valence electrons.

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shtirl [24]

Answer:

kinetic

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3 0
3 years ago
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There is a structure of CH3CH2CHCHCH2CH3, with a –CH2CH3 group attached to the third and fourth carbons.
NARA [144]

Explanation:

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At first we select a long chain.

Then, we number that chain from that side where substituent position is closer.

Then, we write it's IUPAC name

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Here,

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7 0
3 years ago
The statement "electrons have a negative charge" is true. Select the correct evidence scientist have that proves this statement
Kryger [21]

The question is incomplete but i will try to offer as much help as i can.

Answer:

See explanation

Explanation:

The electron was discovered by J.J Thompson. His model of the atom was called the plum-pudding model of the atom.

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Similarly, in an electric field, they are deflected towards the positive plate of the electrostatic field which shows that they are negatively charged.

3 0
3 years ago
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