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Gwar [14]
3 years ago
13

Refer to the following parallel circuit:

Chemistry
1 answer:
Airida [17]3 years ago
6 0

Answer:

6.93

Explanation:

correct me if verry wrong

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What is the average atomic mass of hafnium given the following abundance information on the isotopes?
Goryan [66]

Answer:

178.55

Explanation:

176 × 0.05+ 177 × 0.19 + 178 × 0.27 + 179 × 0.14 + 180 × 0.35 = 178.55

7 0
3 years ago
How many moles are in 125g of water?
ki77a [65]
To calculate number of moles, all you do is divide the given mass by the molecular molar mass: 

<span>i.e. 125g / 18g = 6.94444g </span>

<span>Therefore, your answer is (a) 6.94 g</span>
7 0
3 years ago
Pierce conducts an experiment in which waves collide in a way that the energy increases, which means that has occurred
Vikki [24]
<h2>Answer:</h2>

It means the waves collides and constructive interference occurred.

<h3>Explanation:</h3>

If the two waves coming from the opposite direction collide with each other, there are two way of their interference.

  • Constructive interference: An interference which results in the increase in energy. And it is when crust of a wave comes on the crust of second wave.
  • Destructive interference: An interference which results in decrease in energy of the resulting wave and colliding waves cancel the result of each other.

Hence in experiment there will be constructive interference.

8 0
3 years ago
Read 2 more answers
*click photo* <br><br> Tysm if you answer!
STALIN [3.7K]

Answer: False

Explanation:

AC change directions and DC only flow in one direction

4 0
3 years ago
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List at least three scientific disciplines related to chemistry mentioned or alluded to in the article. The Ozone Hole
SVETLANKA909090 [29]

Answer: biology, climate Science, astronomy etc.

Explanation:

The scientific disciplines that are related to chemistry mentioned or alluded to in the article are:

• Biology: Biology is a natural science which studies living organisms, and this include their molecular interactions, evolution, physical structure, and chemical processes.

• Astronomy: Astronomy is the study of space, and the universe. In astronomy, the stars, planets, and galaxies are all studied.

• Climate science: Climate science is also referred to as climatology and it's the scientific study of climate.

7 0
3 years ago
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