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Readme [11.4K]
2 years ago
7

What’s the answer to this question pls help

Chemistry
1 answer:
Solnce55 [7]2 years ago
4 0
In order of reactivity: magnesium, iron, copper, silver
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Answer:

Concept: Chemical Analysis

  1. Start by taking inventory of the elements that you have
  2. Make a list, one for the right side and another for the left side
  3. Then add coefficients to the elements to the right or left side to balance out the equation
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Which of the following is what an elements are made of?
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An element is made of atoms

Explanation:

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1 year ago
How many moles are in 7.46 x 1025 particles of iron
sladkih [1.3K]

Answer:

1 mole of iron =6.023×10^23 particles

1 particles of iron=1/6.023×10^23 mole

7.46×10^25 particles =1/6.023×10^23×7.46×10^25

=1.238×10^48 mole is a required answer.

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2 years ago
The solid block shown below has a mass of 146 grams. THE DIMENSIONS OF THE BLOCK ARE- 3.0 cm by 4.5 cm by 7.0 cm. What is the bl
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