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seraphim [82]
3 years ago
8

Need Help Please, ASAP:

Chemistry
2 answers:
Doss [256]3 years ago
6 0

It's B. You need to know the enthalpy change to determine the change in temperature.

Dafna11 [192]3 years ago
5 0
Go to peak it helped me a lot
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What is the mass in grams of 3x10 atoms of helium
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here

Explanation:

What is the total mass of $$3.01 x 10^23$$ atoms of helium gas?

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Which instrument is used to measure mass?
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When a solid has energy added and turns to a liquid what is it called?
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Draw the structure for 1-nitrobutane, making sure to add all non-zero formal charges.
TiliK225 [7]

The molecular structure of 1-nitrobutane is C_{4} H_{9} NO_{2}. The structure of 1-nitrobutane is shown below.

An atom's formal charge would be determined by the covalent model of chemical bonding, which assumes that almost all chemical bonds include equal sharing of electrons among all atoms, regardless their relative electronegativity.

The structure for 1-nitrobutane, making sure to add all non-zero formal charges

There are four kind of molecule present in 1-nitrobutane and they are carbon, hydrogen , nitrogen and oxygen. Nitrogen is bonded with two oxygen atom out of them one oxygen atom is attached with single bond and second oxygen atom is bonded with double bond. Nitrogen has positive charge whereas oxygen has negative charge.

It is a kind of alkane in with nitro group is attached with alkane group.

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7 0
1 year ago
Which of the following compounds most likely has the least bond energy?
Evgesh-ka [11]

Answer:

I2; I–I bond length = 266 pm

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Bond length is inversely related to bond strength. The longer the bond length, the weaker the bond. The shorter the bond length the stronger the bond. A large bond distance implies that there is poor interaction between the atoms involved in the bond. A long bond distance or bond length may even indicate the absence of covalent interaction between the atoms involved.

4 0
3 years ago
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