The equilibrium constant for this reaction is 1.65.
Solution:
X2: 3, Y2: 6, XY: 7
X₂ + Y₂ ⇌ 2XY
Kc = [XY]² / [X₂][Y₂] = [7]²/[3][6] = 2.72
1mole of equation √(2.72) = 1.65
The equilibrium constant of a chemical reaction is the value of the reaction quotient in chemical equilibrium the state to which a dynamic chemical system approaches when, after sufficient time, its composition exhibits no further measurable tendency to change. Q is the quantity that changes as the reaction system approaches equilibrium. K is the numerical value of Q at the end of the reaction when equilibrium is reached.
Balance Example A book on a table. A car that moves at a constant speed. A chemical reaction in which the forward and reverse kinetics are equal. The specific rate constant k is a constant of proportionality that relates reaction rate to reactant concentration. The rate laws and specific rate constants of chemical reactions must be determined experimentally. The value of the rate constant is temperature dependent.
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A ball going down a hill and a football getting thrown into the air
It's B. by identifying the elements.
Reasons:
prefixes are only used for covalent compounds.
You don't include the number of atoms when you write the chemical name of a compound.
Subscripts are basically numbers that tell how many atoms of each element is in a compound. It does not identify the name of an element.
Answer:
The correct answer is c) Electronegativity
Explanation:
The Z corresponds to the atomic number (defines the number of protons in the nucleus and also the electrons present in the atom). The Z increases from left to right in the same period, this is due to less shielding of the electrons in the last layer. Electronegativity (defined as the ability of the atoms to attract, in a covalent chemical bond, the electrons that it shares with other atoms), increases, the greater the Z (there is less distance).
M=70.0 g
p=0.70 g/mL
v=m/p
v=70.0/0.70=100.00 mL
