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igomit [66]
3 years ago
10

Which statement best describes what is taking place? Copper is being oxidized. Copper is being reduced. Copper is losing electro

ns. Copper is a reducing agent.
Chemistry
1 answer:
Rasek [7]3 years ago
3 0

Answer:

copper is being reduced

Explanation: I got 100% on the quiz good luck this class is hard lol

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A solid with a density of 3.57g/mL and mass of 19.5g is added to a graduated cylinder that contain 23.2mL of water. What is the
NNADVOKAT [17]

Answer:

Volume of liquid = 28.7 mL

Explanation:

Given data;

Density of solid = 3.57 g/ml

Mass of solid = 19.5 g

Volume of water = 23.2 mL

Total volume when solid is dropped into graduated cylinder= ?

Solution:

Density = mass/ volume

v = m/d

v = 19.5 g/ 3.57 g/ml

v = 5.5 mL

Volume of liquid = volume of water + volume of solid

Volume of liquid = 23.2 mL + 5.5 mL

Volume of liquid = 28.7 mL

3 0
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What is the wavelength of a wave?
liberstina [14]

Answer:

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In other words:

Wavelength is the distance from crest to crest (or trough to trough).

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What is released when an excited electron returns to a lower energy state?
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Answer:

Light

Explanation:

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Which atom in the ground state has an outermost electron with the most energy?(1) Cs (3) Li(2) K (4) Na
Leokris [45]
<span>The answer is Cs, no. 2.
Cesium (Cs) is an element which has an outermost electron with most energy in the ground state.</span> 
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