The distance
Explanation:
The earth has a larger gravity on me because I am closer to the earth than sun.
Gravitational force is a force of attraction which depends on the mass between two bodies and their separation.
According to Newton's law of universal gravitation "the gravitational force between two bodies is directly proportional to the product of their masses and inversely proportional to square of the distances between them".
Mathematically;
Gravitational force =
where G is the universal gravitational constant
m₁ is the mass of the body 1
m₂ is the mass of the body 2
r is the distance between them.
We see that the gravitational attraction between two bodies that have low separation will be greater than one that is far away.
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Bitter, sour, salty, sweet.
Non-zero order chemical reaction effected concentration, the physical state of the reactants, and surface area, temperature, and the presence of a catalyst
In zero-order kinetics, the price of reactions of chemical reactions are impartial of the concentration of reactant. In first-order kinetics, the rate of reactions of chemical reactions are depending on one of the concentrations of reactants. A linear graph is acquired among the reactant attention and time.
The main difference among first order and zero order kinetics is that the charge of first order kinetics depends on the awareness of 1 reactant while the charge of zero order kinetics does no longer rely upon the concentration of reactants.
A 0-order response proceeds at a regular charge. a first-order reaction price depends at the awareness of one of the reactants. A second-order reaction rate is proportional to the square of the concentration of a reactant or the fabricated from the attention of reactants.
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1. Molarity : 0.25 M
2. mol CH₄ = 7.4 moles
mol O₂ = 14.8 moles
<h3>Further explanation</h3>
1.
Given
83.2 g CuCl2 in 2.5 liters of water
Required
the molarity
Solution
Molarity : mol solute per liter of solution(not per liter of solvent)
mol solute = mol CuCl₂
mol CuCl₂ = mass : MW CuCl₂
mol CuCl₂ = 83.2 : 134.45
mol CuCl₂ = 0.619
Molarity(M) = mol : V
Assume density CuCl₂ = 3.39 g/cm³
volume CuCl₂ = 8.32 g : 3.39 g/cm³ = 2.45 cm³=2.45 x 10⁻³ L
With this small volume value of CuCl₂, the volume of the solute is sometimes neglected in calculating molarity
volume of solution = 2.5 L + 2.45 x 10⁻³ L = 2.50245 L
Molarity(M) = mol : V
M = 0.619 : 2.50245 L = 0.247≈0.25
2.
Given
Reaction
The correct balanced reaction:
CH4 + 2O2 → CO2 + 2H2O
7.4 moles CO2
Required
moles of methane (CH4) and oxygen gas (O2)
Solution
From the equation, mol ratio of CO₂ : CH₄ : O₂ = 1 : 1 : 2
mol CH₄ = mol CO₂ = 7.4 moles
mol O₂ = 2 x mol CO₂ = 2 x 7.4 moles = 14.8 moles