Answer:
Kinetic energy is directly proportional to the mass of the object and to the square of its velocity: K.E. = 1/2 m v2. If the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.
Answer:
A carbohydrate is a compound composed of molecules of carbon (C), hydrogen (H), and oxygen (O) such that its general chemical formula is
.
Biochemical functions of carbohydrates: Carbohydrates provide Stored Energy, Carbohydrates help to preserve Muscle and promote digestive health and Carbohydrates build macromolecules
Explanation:
A carbohydrate is a compound composed of molecules of carbon (C), hydrogen (H), and oxygen (O) such that its general chemical formula is
.
Biochemical functions of carbohydrates:
1. Carbohydrates provide Stored Energy.
2. Carbohydrates help to preserve Muscle and promote digestive health.
3. Carbohydrates build macromolecules
In a chemical change, the atoms in the reactants rearrange themselves and bond together differently to form one or more new products with different characteristics than the reactants. When a new substance is formed, the change is called a chemical change.
<span>www.middleschoolchemistry.com/lessonplans/chapter6/lesson1</span>
Answer: Single displacement reaction
Explanation:
<u>Answer:</u> The rate constant for the given reaction is ![4.33\times 10^{-6}s^{-1}](https://tex.z-dn.net/?f=4.33%5Ctimes%2010%5E%7B-6%7Ds%5E%7B-1%7D)
<u>Explanation:</u>
For the given chemical equation:
![CH_3NC(g)\rightarrow CH_3CN(g)](https://tex.z-dn.net/?f=CH_3NC%28g%29%5Crightarrow%20CH_3CN%28g%29)
We are given that the above equation is undergoing first order kinetics.
The equation used to calculate rate constant from given half life for first order kinetics:
![t_{1/2}=\frac{0.693}{k}](https://tex.z-dn.net/?f=t_%7B1%2F2%7D%3D%5Cfrac%7B0.693%7D%7Bk%7D)
The rate constant is independent of the initial concentration for first order kinetics.
We are given:
= half life of the reaction = ![1.60\times 10^5s](https://tex.z-dn.net/?f=1.60%5Ctimes%2010%5E5s)
Putting values in above equation, we get:
![k=\frac{0.693}{1.60\times 10^5s}=4.33\times 10^{-6}s^{-1}](https://tex.z-dn.net/?f=k%3D%5Cfrac%7B0.693%7D%7B1.60%5Ctimes%2010%5E5s%7D%3D4.33%5Ctimes%2010%5E%7B-6%7Ds%5E%7B-1%7D)
Hence, the rate constant for the given reaction is ![4.33\times 10^{-6}s^{-1}](https://tex.z-dn.net/?f=4.33%5Ctimes%2010%5E%7B-6%7Ds%5E%7B-1%7D)