Answers edited by Manikandan S.
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What do Oxidation numbers tell you?

How do you solve #2cot^4xcot^2x15=0#?

Suppose a log's mass is 5 kg. After burning, the mass of the ash is 1 kg. What may have happened to the other 4 kg?

Question #50ade

What is the molecular equation described by the following? Solid sodium bicarbonate reacts with aqueous acetic acid to produce aqueous sodium acetate, liquid water, and carbon dioxide gas.

How do you graph #y = 1 + x1#?

How do you solve rational equations #2/(3x+1) = 1/x  (6x)/(3x+1)#?

Why is benzene separated from water using a separatory funnel?

Represent all the trigonometric ratios as positive and negative in the 4 quadrants?

Question #90983

How do we know which ions each element forms? And how do assign charges in complex ions?

How do you evaluate #sec(pi/9)#?

Question #d62d3

Question #1892e

Water vapor is water as a: solid, liquid, or gas?

#cos 4x=8cos^4(x)8cos^2x + 1 # and
#cos 4x=8sin^4(x)8sin^2x + 1#,can u prove it?

Question #434fe

Question #2262f

In what way is the functional group of an ester different from that of a carboxylic acid?

Verify this is an identity?
#2 sin^2 (u/2)=sin^2u/(1+cosu)#

How do you simplify #2\root[ 3] { 16x ^ { 2} y ^ { 7} }#?

What determines the magnitude of the equilibrium constant of the autoprotolysis reaction of water?
#2H_2O(l) rightleftharpoons H_3O^+ + HO^().# #K_w=10^(14).#

Question #842f0

Given #f(x) = x^4+ax^3+bx^2+cx+d# with #f(1) = 1#, #f(2) = 5#, #f(3) = 19# and #f(6) = 665#, what is the value of #f(4)+f(5)# ?

How do you simplify # 2 times (35) + 6#?

Y'+ytanx=0
(How about y. y=?)

Question #97721

What are the data analysis tools used for?

What is the integral of #sec^3(x)#?