Answer:
I don't EXACTLY know but hopefully the description below helps you find the answer!
Ionic bonding is a type of chemical bond in which valence electrons are lost from one atom and gained by another. This exchange results in a more stable, noble gas electronic configuration for both atoms involved. An ionic bond is based on attractive electrostatic forces between two ions of opposite charge.
Explanation:
Atomic Number is the same as the number of protons in an element.
Mass Number is the number of Protons + Neutrons in an element.
Atomic Number: 6 means 6 Protons
Mass Number: 15 means 15 atoms that are a proton/neutron.
We are given out of the 15 atoms, 6 of them are protons, so the other 9 must be Neutrons.
15 - 6 = 9 so there must be 9 Neutrons.
There are 9 Neutrons in atom's nucleus.
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Answer:
3.018 x 10⁻⁶ M.
Explanation:
- Co(OH)₂ dissociates in solution according to the equation:
<em>Co(OH)₂ → Co²⁺ + 2OH⁻.</em>
∵ Ksp = [Co²⁺][OH⁻]² = (s)(2s)² = 4s³.
∴ 4s³ = 1.10 x 10⁻¹⁶.
∴ s³ = 1.10 x 10⁻¹⁶/4 = 2.75 x 10⁻¹⁷.
<em>∴ s</em> = ∛(2.75 x 10⁻¹⁷) = <em>3.018 x 10⁻⁶ M.</em>
Answer:
C 41.2
Explanation:
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The complete combustion reaction for C16H34 would be as follows:
C16H34 + 17/2O2 ------> 16CO2 + 17H2O
We are given the amount of oxygen to be used for the reaction. This value would be the stating point for the calculations.
0.50 mol O2 ( 1 mol C16H34 / 17/2 mol O2 ) ( 22.4 L / 1 mol ) = 1.317 L = 1317 mL C16H34
