2.258625 *10²³ oxygen atoms will be produced.
<h3><u>Explanation:</u></h3>
Decomposition reaction is defined as the type of reaction where one single reactant breaks to produce more than one product only by means of heat or other external factor.
Formula of magnesium oxide = MgO.
The molecular mass of magnesium oxide = 24 +16= 40.
So in 40 grams of magnesium oxide, number of molecules is 6.023 * 10²³.
So in 15 grams of magnesium oxide,, number of molecules is 6.023 *1023 * 15/40 = 2.258625 *10²³.
From one molecule of magnesium oxide, one oxide atom will be produced.
So number of oxide atoms with 100% yeild = 2.258625 *10²³
Answer: The amount of energy needed to move an electron from one zone to another is a fixed, finite amount. The electron with its extra packet of energy becomes excited, and promptly moves out of its lower energy level and takes up a position in a higher energy level.
Explanation:
Sodium bicarbonate is commonly known as baking soda. The scientific name is NaHCO3. Baking soda is an alkaline compound found in crystalline form in nature.
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When an atom gains an electron it becomes a negatively charged ion. When an atom looses an electron it becomes positively charged because the number of positively charged protons.
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Answer:
Empirical formula is Au₂O₃
Explanation:
Given data:
Percentage of oxygen = 11%
Percentage of gold = 89%
Empirical formula = ?
Solution:
Solution:
Number of gram atoms of O = 11 / 16 = 0.69
Number of gram atoms of Au = 89 / 197 = 0.45
Atomic ratio:
Au : O
0.45/0.45 : 0.69 /0.45
1 : 1.5
Au : O = 1 : 1.5
Au : O = 2( 1 : 1.5)
Empirical formula is Au₂O₃.
