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OLga [1]
3 years ago
13

Which of the following increases as you move up a column of the periodic table?

Chemistry
1 answer:
luda_lava [24]3 years ago
6 0

Answer:

electronegativity increases

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Chemicals are classified as health hazards when they pose which of the following hazardous effects?
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many hazardous chemicals are also classified as dangerous goods.

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When a new bond forms in a chemical reaction, what happens?
Kisachek [45]
The answer to this question would be A. Energy is released. 

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Options B and C is definitely wrong since the bond is formed by an electron, it won't affects neutron/proton.
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8 0
3 years ago
Read 2 more answers
a cube of iron (cp = 0.450 j/g•°c) with a mass of 55.8 g is heated from 25.0°c to 49.0°c. how much heat is required for this pro
krek1111 [17]
Q = ?

Cp = 0.450 j/g°C

Δt =  49.0ºC - 25ºC => 24ºC

m = 55.8 g

Q = m x Cp x Δt

Q = 55.8 x 0.450 x 24

Q = 602.64 J

hope this helps! 
7 0
3 years ago
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