Decay constant, proportionality between the size of a population of radioactive atoms and the rate at which the population decreases because of radioactive decay.
<h3>What is decay constant value?</h3>
The rate of disintegration is proportional to the number of atoms at any point in time and the constant of proportionality is called the radioactivity decay constant. The radioactive decay constant for Radium B is approximately 4.3 × 10−4 s−1.
<h3>What is decay constant unit?</h3>
Definition. The decay constant (symbol: λ and units: s−1 or a−1) of a radioactive nuclide is its probability of decay per unit time. The number of parent nuclides P therefore decreases with time t as dP/P dt = −λ. The energies involved in the binding of protons and neutrons by the nuclear forces are ca.
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Explanation:
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In an exothermic reaction heat is released by a chemical reaction. In an endothermic reaction heat is absorbed by a chemical reaction.
The reaction between ammonium nitrate and water absorbs heat from the surrounding environment. Endothermic Reaction
Three drops of concentrated sulfuric acid added to 100 milliliters of water in a beaker makes the beaker hot. Exothermic Reaction
Ammonium chloride dissolved in a beaker of water makes the beaker cold. Endothermic Reaction
Uranium atoms are split to produce nuclear energy. Exothermic Reaction
Water separates into hydrogen and oxygen when an electric current is run through it. Endothermic Reaction
Methane and oxygen are combined to produce methanol and heat. Exothermic Reaction
Answer:
The Peruvian area of the jungle, living in the high trees is the monkey's habitat.
(I'm not fully sure what a niche is) but:
Feeding on hazelnuts and scavenging for food along the jungle floor is the monkey's niche.
Explanation:
I really hope I was able to help!
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The answer is: both choices a and b.
The base SI unit for molar mass is kg/mol, but chemist more use g/mol (gram per mole).
For example, the molar mass of fluorine is 38.00 g/mol.
M(F₂) = 2 · Ar(F) · g/mol.
M(F₂) = 2 · 19.00 · g/mol.
M(F₂) = 38.00 g/mol.
Molar mass M represent the mass of a substance (in this example molecule of florine) divided by the amount of substance.
Ar is the atomic weight of a chemical element (in this example fluorine).
