Avogadro says one mole of particles contain 6.02 x 10^23 particles. Hence, 2 moles of water molecules contains 2 x 6.02 x 10^23 molecules.
Answer: The answer is A
Explanation: No because it’s is a mixture because physical methods were used to separate its particals
Answer:
, ,
Explanation:
The expression for the approximation via Newton's Method has the following form:
The function and its derivative are, respectively:
After substituting the known variable, the Newton's expression is left as follows:
The first two iterations are presented herein:
Answer:
1. Cu(s) + 2AgNO₃(aq) ⟶ Cu(NO₃)₂(aq) + 2Ag(s)
2. 50.92 g
3. $8.09
Step-by-step explanation:
1. Balanced equation
Cu(s) + 2AgNO₃(aq) ⟶ Cu(NO₃)₂(aq) + 2Ag(s)
===============
2. Mass of Ag
We know we will need a balanced equation with masses and molar masses, so let’s gather all the information in one place.
M_r: 63.55 107.87
Cu + 2AgNO₃ ⟶ Cu(NO₃)₂ + 2Ag
m/g: 15.00
(a) Calculate the moles of Cu
Moles Cu = 15.00 × 1/63.55
Moles Cu = 0.2360 mol Cu
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(b) Calculate the moles of Ag
The molar ratio is 2 mol Ag:1 mol H₂O
Moles of Ag = 0.2360 × 2/1
Moles of Ag = 0.4721 mol Ag
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(c) Calculate the mass of Ag
Mass of Ag = 0.4721 × 107.87
Mass of Ag = 50.92 g Ag
===============
3. Value of Ag
Mass of Ag = 50.92 × 0.0353/1
Mass of Ag = 1.797 oz
Value of Ag = 1.797 ×4.50/1
Value of Ag = $8.09
The only bond that involves the complete transfer of electrons is ionic bonding.
A metal that does not have much care for its electrons, such as Sodium, Na, is willing to give up its electron more freely. And an atom that really cares about having electrons might be a gas such as chlorine, Cl. The Chlorine atom takes the electron from Sodium, and then the newly formed ions of Na+ and Cl- bond because they have equal and opposite charges and opposites attract. NaCl is formed.
Hydrogen bonds aren’t actually real bonds (I know, the name is deceptive)
Covalent bonds involve the sharing of electrons.
I’m pretty sure metallic bonds is a made-up term.