An atom has 10 protons and 10 electrons. What happens to the charge if you add 1 more electron
1 answer:
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Answer:
850g/min
Explanation:
The reaction expression is given as:
P₄ + 5O₂ → P₄O₁₀
Given that:
Number of moles of product = 1.5moles
Time = 30s = 0.5min
Unknown:
The rate of the reaction = ?
Solution:
Convert the moles given to mass of the product.
So;
Mass of product = number of moles x molar mass
Molar mass of P₄O₁₀ = 4(31) + 10(16) = 284g/mol
Mass of product = 1.5moles x 284g/mol = 426g
So;
Reaction rate = =
= 850g/min
Answer:
atoms of hydrogen
Explanation:
The molecular formula for a water molecule is .
From the above formula, we can conclude that 1 molecule of water contains 2 atoms of hydrogen and 1 atom of oxygen.
There are molecules of water.
1 molecule of water = 2 atoms of hydrogen.
∴ molecules of water =
atoms of hydrogen.
Therefore, there are atoms of hydrogen in
molecules of water.