2 years ago

Help I really help on this

Chemistry

1 answer:

nikdorinn [45]2 years ago

8 0

I think it’s C but not certainly positive

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Does anyone know a website where it solves me these types of problems OR if someone can help me with them?

Brut [27]

Answer:

you can use the idea of molecular masses to calculate easily

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3 years ago

46. True or false. Chemical reactions do not involve changes in the chemical bonds that join

Naddika [18.5K]

Answer:

Chemical reactions do not involve changes in the chemical bonds that join

atoms in compounds :

False

Explanation:

Chemical reaction are the reaction in which old bonds break and new bonds are formed . The formation of new bond result in formation of new compounds . This happen because new bond are result of linking different atoms by the bond.

For example : Water formation from Oxygen and Hydrogen is a chemical process :

$2H_{2}+O_{2}\rightarrow 2H_{2}O$

Original(old) bonds are :

H-H bond in H2 and O-O bonds in O2

In H2 = Hydrogen is joined to Hydrogen

IN O2 = Oxygen is joined to oxygen

New Bonds =

O-H bonds in water (H2O)

Oxygen is joined to hydrogen = New Bond formation

Hence,

Chemical reactions do involve changes in the chemical bonds that join

atoms in compounds

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2 years ago

A boy inherited genes that would ordinarily allow him to grow tall.his growth is stunted as a result of poor nutrition.this is a

Brums [2.3K]

It is an example of how the boys environment affected him, making him an outlier to what should typically happen. Hope this helps!

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1 year ago

When light shines on a sample, each element emits specific wavelengths producing a unique fingerprint called its ______ spectra.

DanielleElmas [232]

Answer:

Explanation:

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2 years ago

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Fill in the [?]: 5,481 g = [?] lb.

Sophie [7]

Answer:

12.084 lb

Explanation:

1 gram = 0.00220462 lb

multiply number of grams by 0.00220462

Ex. 2000 g x 0.00220462 = 4.409 pounds

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2 years ago