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Alex17521 [72]
3 years ago
13

Name all nonmetals that’s are halogens PLEASE HELP ASAP

Chemistry
1 answer:
Nikitich [7]3 years ago
7 0

Answer:

chlorine, fluorine, bromine, iodine, Xenon, and radon

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How many grams are there in 3. 4 x 1024 molecules of nh3.
nadezda [96]

Answer:

69,632 grams

explanation

number of molecules =mass\molemass

nh3 14 +2×3=20

3.4×1024=m/20

cross multiply

grams =69,632

7 0
3 years ago
What type of reaction is sodium reacting with chlorine
Ksenya-84 [330]

Answer:

combination reaction

Explanation:

i'm not sure i just searched it on the internet

8 0
3 years ago
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How much energy in kilojoules is released when 23.4 g of ethanol vapor at 83.0 ∘C is cooled to -15.0 ∘C ?
slamgirl [31]

Answer : The amount of in kilojoules released is, -5.53 kJ

Explanation :

Formula used :

q=m\times c\times (T_{final}-T_{initial})

where,

q = heat released = ?

c = specific heat of ethanol = 2.41J/g^oC

m = mass of ethanol = 23.4 g

T_{final} = final temperature = -15.0^oC

T_{initial} = initial temperature = 83.0^oC

Now put all the given values in the above formula, we get:

q=23.4g\times 2.41J/g^oC\times (-15.0-83.0)^oC

q=-5526.612J=-5.53\times 10^3J=-5.53kJ

Therefore, the amount of in kilojoules released is, -5.53 kJ

5 0
4 years ago
In a graph, what effect would adding a catalyst have on D?
Anika [276]
It would decrease hope this helps
7 0
3 years ago
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Which is NOT represented in a chemical<br> equation?
puteri [66]

Answer:

The amount of atoms baee :)

Explanation:

3 0
4 years ago
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