What is the oxidation number for iron?
The total number of electrons that an atom either gains or loses in order to form a chemical bond with... View Article
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What is the difference between centromere, centrosome and centriole?
Centrosome and centromere are structures involved in cell division. Centrosomes occur only in animal cells, where they regulate the cell... View Article
What is the square root of 2025?
Answer: √2025=±45 Resolving 2025 into Prime factors, we get2025=(3×3)×(3×3)×(5×5)√2025=3×3×5∴ √2025=45
What is the square root of 400?
400 is a perfect square and is an irrational number. The square root of a perfect square will equal a... View Article
How do you find the square root 27?
27 is an irrational number and also not a perfect square. 27 is a perfect square if the square root... View Article
How do you write 5/6 as a per cent?
5/6 can be written as 5÷6 The result will be a decimal: 5/6=0.8333333… The first two decimal places represent hundredths.... View Article
In what anatomical position of the body is the heart located?
The heart is a muscular organ having the size of a closed fist that functions as the body’s circulatory pump.... View Article
How do you find the exact value of sin 105 degrees?
We know that sin(a+b)=sina⋅cosb+cosa⋅sinb Therefore, sin(105)=sin(60+45) hence, we have sin105=sin(60+45)=sin60 x cos45+cos60 x sin45 = √3/2 . √2/2 +1/2 ,√2/2... View Article
What element has the most metallic character?
Metallic character is the name given to the set of chemical properties associated with elements that are metals. Most metals... View Article
Is one joule per second equivalent to one watt?
Yes.one joule per second is equivalent to one watt. Power=work done/ time 1 watt = 1 joule / 1 second... View Article
What is the molar mass of barium chloride (BaCl^2)?
The atomic mass of Ba is added with the one of Cl2 Ba⇒137.327g/mol and Cl2 is 2*35.453=70.906g/mol The molar mass... View Article
How do you integrate int cos^2x by integration by parts method?
Choose u=cosx , dv=cosxdv , du=−sinxdx v=sinx . ∫udv =uv−∫vdu ∫cosx cosxdx =cosx sinx−∫sinx(−sinx)dx cos 2 xdx =cosxsinx+∫(1−cos 2 x)dx... View Article
How many valence electrons does iron have?
Valence electrons are the electrons that present in the outermost shell of an atom. The electron configuration of Iron is... View Article
How do you prove: sin3θ = 3sinθ−4sin3θ?
The left-hand side as sin3θ=sin(θ+2θ) now expand the right side of this equation using Addition formula sin(A±B)= sinAcosB ± cosAsinB sin(θ+2θ)=sinθcos2θ+cosθsin2θ…….(1) cos2θ=cos2θ−sin2θ=2cos2θ−1=1−2sin2θ The... View Article
How can acceleration be negative?
Negative acceleration is just acceleration directed towards the direction that we defined as the “negative” direction. So negative acceleration means... View Article
How do you use log tables to find logarithm and the antilogarithm of 445.66?
In the log table, it contains numbers like 6484 and 6493 respectively in the columns of 5 and 6 445.66... View Article
What is the difference between tautomerism and metamerism?
Tautomerism and metamerism comes under structural isomerism. Structural isomerism is a form of isomerism in which molecules have the same... View Article
What is the distance between the Earth and the Sun in km?
The distance between Earth and the sun is approximately 150 million kilometres. Distance between Earth and sun The distance is... View Article
What are some examples of Newton’s third law?
Newton’s third law- Every action there is equal to an opposite reaction. Whenever two bodies interact with each other, the... View Article
How do you use the binomial formula to expand (x+1)^3?
A binomial expression is an expression containing two terms joined by either addition or subtraction sign. For instance, (x +... View Article
