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zzz [600]
3 years ago
8

What changes in color occur when bromine reacts with an alkene​

Chemistry
1 answer:
Gala2k [10]3 years ago
7 0

Answer:

Explanation: Bromine, the dark red color disappears quickly as the atoms of bromine bond with the atoms of carbon in the double bond.

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Attractive forces of liquids allow for _____.
kap26 [50]

Answer:

They allow particles to stay close together.

The attractive forces (bonds) in a liquid are strong enough to keep the particles close together, but weak enough to let them move around each other. For example, Liquids are useful in car brake systems because they flow and cannot be compressed.

Explanation:

Hope this helps :)

3 0
2 years ago
Read 2 more answers
If an individual proton has mass 1.007825 amu, and an individual neutron has mass 1.008665 amu, what's the calculated mass of a
german

Answer:

C) 237.96682 amu

Explanation:

The symbol for neptunium-236 is given as;

²³⁶₉₃Np

This element has 93 protons and (236 - 93 = 143) neutrons.

Mass Number =Total mass of Protons + Total mass of neutrons

Total Mass pf protons = 93 * 1.007825 amu, = 93.727725 amu

Total mass of Neutrons = 143 * 1.008665 amu = 144.239095 amu

Mass = 144.239095 + 93.727725  = 237.96682 amu

Correct option is option C.

7 0
2 years ago
Which statement best compares segmented worms and roundworms?
Mariana [72]

Answer:

I think it's A.

Explanation:

Metameric bodies are divided into segments called annuli. Annuli are covered in tiny hairs called setae. Setae help the worms move. So yes it's A.

<em>Happy Thanksgiving too! :D</em>

4 0
2 years ago
Read 2 more answers
In an experiment, 0.35 mol of co and 0.40 mol of h2o were placed in a 1.00-l reaction vessel. at equilibrium, there were 0.22 mo
Natalija [7]
We need to set up an I.C.E chart as follows:

       CO                 H20                CO2             H2 
<span>I      0.35               0.40                  0                  0 </span>
<span>C   .35-x               0.40-x               x                   x </span>
<span>E     0.19              0.40-x               x                   x 
</span>
We have 0.35 mol of CO at the start and 0.19 remaining. This means that x=0.35-0.19 >> 0.16 
<span>Now substitute in 0.16 in your Ke equation. </span>
<span>Just in case you're having trouble with that: </span>
<span>Kb= [Products]/[Reactants] = ([CO][H2O])/([CO2][H2]) 
</span>
Therefore, the constant of equilibrium would be equal to 0.56.
8 0
3 years ago
Read 2 more answers
What is the name of a molecule composed of one or more sugars?
maksim [4K]
<span>Saccharides

Hope it helps!
</span>
8 0
3 years ago
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