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amm1812
4 years ago
14

Which class of elements best conducts electricity

Chemistry
1 answer:
alina1380 [7]4 years ago
7 0
Metals conduct electricity the best,
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why must a beaker containing a liquid be placed on a wire gauze above a burner flame and not directly over the flame ​
Lelu [443]

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it is not safe if you put the beaker down not on the wire gauze about the flame. SAFETY FIRST

Explanation:

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4 years ago
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What is the length of the pencil in cm?
Levart [38]

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16 cm

Explanation:

Because when you look at the ruler, it shows the length  as 16 cm

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3 years ago
A rock weighing 32.0 g is placed in in a graduated cylinder displacing the volume from 22.3 mL to 27.6 mL. What is the density o
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5 0
3 years ago
Balance this equation and pick the answer with the coefficients that belong there.
geniusboy [140]

Answer:

2,3,6,1

2,3,6,1

Explanation:

The unbalanced reaction expression is given as:

  AlBr₃    +    K₂SO₄  →    KBr  + Al₂(SO₄)₃

We need to balanced this reaction equation. Our approach is a mathematical method where we assign variable a,b,c and d as the coefficients.

 aAlBr₃    +    bK₂SO₄  →    cKBr  + dAl₂(SO₄)₃

Conserving Al;  a  = 2d

                   Br:  3a  = c

                   K:   2b = c

                   S:   b  = 3d

                   O:  4b  = 12d

Let a  = 1, c = 3, d  = \frac{1}{2}  b  = \frac{3}{2}  

 Multiply through by 2 to give;

     a  = 2, b = 3, c = 6 and d  = 1

 2AlBr₃    +    3K₂SO₄  →    6KBr  + Al₂(SO₄)₃

6 0
3 years ago
What is 6.3cm =____mm please help me
azamat

63 mm multiply the length value by 10  bb ♡

4 0
3 years ago
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