Answer: 28 grams of iron is needed to react with 16.0 grams of sulfur
Explanation: Please see the attachments below
Carbon tetra chloride = CCl4
calcium bromide = CaBr2
Answer:
Kr, mass number 81, number protons 36.
Explanation:
If the atom has 36 electrons, and it is neutral, it has 36 protons. 36 protons means that this element has atomic number = 36. This is Kr.
Mass number = number protons + number neutrons = 36 + 45 = 81
Answer: Mechanical Energy
Explanation:
To produce electricity, a generator needs an input of mechanical energy. Mechanical energy is a combination of potential energy and kinetic energy. Generators use this to create electricity to power light bulbs, technological devices, and more!
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