The complete ionic equation:
Mg (s) + Zn(NO₃)₂ (aq) → Mg(NO₃)₂ (aq) + Zn (s)
Explanation:
We have the following net ionic equation:
Mg (s) + Zn²⁺ (aq) + 2 NO₃⁻ (aq) → Mg²⁺ (aq) + 2 NO₃⁻ (aq) + Zn (s)
The complete ionic equation will be:
Mg (s) + Zn(NO₃)₂ (aq) → Mg(NO₃)₂ (aq) + Zn (s)
Learn more about:
ionic equations
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Answer:
43.76 g = 0.04376 Kg
Explanation:
The equation of the reaction is given as;
H2 + Cl2 --> 2HCl
From the equation;
1 mol of Cl2 produces 2 mol of HCl
Converting to mass;
Mass = Number of mol * Molar mass
Cl2;
Mass = 1 mol * 70.906 g/mol = 70.906 g
HCl;
Mass = 2 mol * 36.458 g/mol = 72.916 g
This means;
70.906 g of Cl2 produces 72.916 g of HCl
x g of Cl2 would produce 45g of HCl
70.906 = 72.916
x = 45
x = 45 * 70.906 / 72.916
x = 43.76g
Answer:
The force increases because it is part of a Newton’s third law pair of forces with the force that the star exerts on the planet.
Explanation:
Force between two objects can be expressed by an equation:
F = G • m1 • m2 / r^2,
where m1 and m2 are objects' masses, r is the distance between them, and G is a gravitational constant.
That means that greater the masses or lesser the distance, the force will be greater, and vice versa.
This force exists between any two objects, but is generally extremely weak, so it's best observed with big and large objects with great mass, such as planets and stars.
This force, whatever its magnitude may be, always works on both objects, following the third Newton's law.
So, whatever the force the stat exerts on the planet is, the planet will exert the same amount of force on the star.
Gold potential is the correct answer
