A first order reaction, with a half-life of 125 s, has 1/16 of the original amount left after 500 seconds.
<h3>What is a first order reaction?</h3>
It is a chemical reaction in which the rate of reaction is directly proportional to the concentration of the reacting substance.
First, we will calculate the rate constant using the following expression.
ln ([A]/[A]₀) = - k × t
ln (1/16[A]₀/[A]₀) = - k × 500 s
k = 5.55 × 10⁻³ s⁻¹
where,
- [A] is the final concentration of the reactant.
- [A]₀ is the initial concentration of the reactant.
- k is the rate constant.
- t is the elapsed time.
Next, we can calculate the half-life (th) using the following expression.
th = ln 2 / k = ln 2 / (5.55 × 10⁻³ s⁻¹) = 125 s
A first order reaction, with a half-life of 125 s, has 1/16 of the original amount left after 500 seconds.
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They use experimental investigations where they manipulate variables
They have 2 lone pairs and 3 bond pairings. Sp3D hybridization has been achieved in the core atom. The molecule is trigonally bipyramidal or T-shaped.
<h3>What is the name of T-shaped molecular geometry?</h3>
- They have 2 lone pairs and 3 bond pairings. Sp3D hybridization has been achieved in the core atom. The molecule is trigonally bipyramidal or T-shaped.
- At a 90° angle from the equatorial orbitals, two orbitals are placed along the vertical axis. The orbitals are trigonal bipyramidal in form. Lone pairs of electrons are present in two of the equatorial orbitals. The three atoms are positioned around the core atom to create a T-shaped molecule.
- T-shaped skills are a particular set of attributes that add value to an employee. A person with a T-shape has outstanding knowledge and skills in a certain field, and they excel at collaborating with others.
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There are six protons and eight neutrons present in the carbon atom as shown.
<h3>What is the nucleus?</h3>
The nucleus of an atom consists of its protons and its neutrons. The protons are positively charged while the neutrons have no charge.
From the symbol of the element as shown in the question, we can see that there are six protons and eight neutrons present.
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Answer:
Paper is Not Reuseable like plastic.
Explanation:
