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notsponge [240]
3 years ago
7

The diagram shows three isotopes. What element is represented?

Chemistry
2 answers:
Mrac [35]3 years ago
7 0

Answer:

OPTION A

Explanation:

JUST DID IT ON EDGE 2020

TEA [102]3 years ago
5 0

Answer: A. Hydrogen

Explanation:

I did it

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digestive system may be the answer

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3 years ago
1.this substance is a natural non-living material with a uniform structure throughout
vovikov84 [41]
1.Mineral
2.Igneous
3.Composition

7 0
4 years ago
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What is the purpose of the inert electrode?
azamat
The purpose for the "inert electrode" is quite obvious and also, it's spelled in it's name it's self. The purpose for this would be the first, "conduct electrons". This would be the purpose of this inert electrode, to conduct that electrons at the give time.

<span>A.to create a solution of anions
B. to create a solution of cations
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4 years ago
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Which of the following information is necessary to describe an object's motion?
Zepler [3.9K]

Answer: The correct option is B.

Explanation: To describe the motion of an object, we use the equations of motion.

  1. v=u+at
  2. s=ut+\frac{1}{2}at^2
  3. 2as=v^2-u^2

From the above equations, we require position, speed and direction through which we an calculate the displacement, velocity and acceleration.

To calculate the complete motion of an object, we require all the three factors.

Hence, the correct option is B.

8 0
3 years ago
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2. How many moles are in 2.8 Liters of CO2 gas?
andrew-mc [135]

Answer:

0.125 moles

Explanation:

2.8 litres is equivalent to 2.8dm³

At STP,

1 mole = 22.4 dm³

x mole = 2.8 dm³

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22.4x = 2.8

Divide both sides by 22.4

x = 2.8/22.4

x = 0.125

4 0
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