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Ivenika [448]
3 years ago
9

The element chlorine is represented by the symbol ____. (Capitalization is important.) Answer for Blank 1:

Chemistry
2 answers:
gavmur [86]3 years ago
6 0
It should be Cl 
next to the capital C is an L btw
liubo4ka [24]3 years ago
4 0
The answer to this is Cl
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What model would represent individual atoms of different types that repeat to form a crystal
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Answer:

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Explanation:

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3 years ago
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A volume of 125 mL of H2O is initially at room temperature (22.00 ∘C). A chilled steel rod at 2.00 ∘C is placed in the water. If
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Answer:

41.9 g

Explanation:

We can calculate the heat released by the water and the heat absorbed by the steel rod using the following expression.

Q = c × m × ΔT

where,

c: specific heat capacity

m: mass

ΔT: change in temperature

If we consider the density of water is 1.00 g/mol, the mass of water is 125 g.

According to the law of conservation of energy, the sum of the heat released by the water (Qw) and the heat absorbed by the steel (Qs) is zero.

Qw + Qs = 0

Qw = -Qs

cw × mw × ΔTw = -cs × ms × ΔTs

(4.18 J/g.°C) × 125 g × (21.30°C-22.00°C) = -(0.452J/g.°C) × ms × (21.30°C-2.00°C)

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<span> If mass remains the same while the volume of a substance increases, the density of the substance will decrease. The increase in the volume is called expansion, while the decrease in the volume is called contraction.
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3 years ago
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