Is kerosene a hydrocarbon?
Kerosene is a mixture of many hydrocarbons. The chemical composition will differ depending on the source. Generally, kerosene consists of... View Article
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Why is ethanol a hydrocarbon?
In ethanol, the hydroxyl group (-OH) is attached to the carbon atom of the ethyl group (hydrocarbon chain). The formula... View Article
What is a real-life example of a parabola?
The water that is shot up into the air by the fountain takes a parabolic path while coming down. The... View Article
How do you convert acceleration to velocity?
The final velocity of the object can be determined using the formula v = u+at v is the final velocity... View Article
Does NaCl have both ionic and covalent bonds?
The bond between NaCl is an ionic bond. Ionic bonds are formed between metals and nonmetals. In NaCl, sodium (Na)... View Article
What is the de Broglie wavelength of a heavier particle?
The equation of de Broglie wavelength is λ = h/mv h is the Planck constant m is the mass v... View Article
Why is U 235 used in nuclear weapons?
U 235 is used in nuclear weapons instead of U 238. U 238 will not undergo fission with a low... View Article
Is an inductor a solenoid?
Solenoids are often confused with inductors. Both solenoids and inductors are coils of wire but solenoids are used as electromagnets... View Article
What’s the definition of oxidation?
Oxidation is the loss of electrons by atoms, molecules or ions during the reaction. The oxidation state of atoms, molecules... View Article
What does quantum mechanics mean?
Quantum mechanics deals with the behaviour of the light and matter at the atomic and the subatomic level. Quantum mechanics... View Article
What did Heisenberg and Schrodinger discover about the atom?
Heisenberg gave the uncertainty principle. According to this principle, the position and momentum of an electron cannot be determined simultaneously.... View Article
Why is CCl4 more covalent than LiCl?
The difference in the electronegativity is less between the C -Cl bond. Therefore, CCl4 has more covalent characteristics. While LiCl... View Article
Which is more ionic NaCl or AlCl3?
NaCl is more ionic than AlCl3. In NaCl, both Na and Cl will have an equal charge. In AlCl3, the... View Article
Which is more ionic NaCl or MgCl2?
The cations are Na and Mg in NaCl and MgCl2 respectively. The anion is chloride (Cl) in both elements. Sodium... View Article
Which is more covalent MgCl2 or AlCl3
The covalent character is inversely proportional to the size of the cations. In other words, smaller cations will show higher... View Article
What is the pendulum equation?
The formula for the period of the pendulum is T = 2π(√L/√g) T is the time period L is the... View Article
[latex]\frac{d}{dx}(e^{-ax^{2}}\log\sin x)=[/latex]
(1) \(\begin{array}{l}e^{-ax^{2}}(\cot x+2ax \log \sin x)\end{array} \) (2) \(\begin{array}{l}e^{-ax^{2}}(\cot x+ax \log \sin x)\end{array} \) (3) \(\begin{array}{l}e^{-ax^{2}}(\cot x-2ax \log \sin x)\end{array}... View Article
If [latex]y= \frac{e^{2x}\cos x}{x\sin x}[/latex], then dy/dx =
(1) e2x [ (2x -1 )cot x – x cosec2x]/x2 (2) e2x [ (2x +1 )cot x – cosec2x]/x2 (3)... View Article
If [latex]y=frac{e^{x}log x}{x^{2}}[/latex] , then dy/dx =
(1) ex[ 1 + (x + 2)log x]/x4 (2) ex[ 1 + (x – 2)log x]/x4 (3) ex[ 1 –... View Article
[latex]\frac{d}{dx}\left ( \frac{e^{ax}}{sin (bx+c)} \right )=[/latex]
(1) aax[a sin (bx+c) + b cos (bx+c)]/sin2 (bx+c) (2) aax[a sin (bx+c) – b cos (bx+c)]/sin (bx+c) (3) eax[a... View Article
