What went wrong with the condition or the procedures if I got the melting point of a pure substance to be:
(a) lower than the correct mp
(b) higher than the correct mp
(c) broad in melting range
I guess there's something to do with the pressure and wrong calibration, but I don't know what...
Carbocation + alcohol -(acid)-> ether?
carbocation + alkene -(acid)-> polymeric alkene?
They wre just an example of the side reactions that could occur. Those reactions might disturb the yield. Thank you for your advice. :)
\alpha-terpineol produces four different alkene products (including imonene) when it is dehydrated via E1 mechanism.
On the other hand, 2-methylcyclohexanol produces two different alkenes through E1 mechanism.
Which of these product do you think would be formed in the greatest amount? I...
No. Now take a closer and careful look at the equation I gave it to you.
total force-force of friction=0.
This does not imply force of friction is zero.
Equate this equation we get
force of friction=total force.
now find WHat force acts on the object as I told you before?
we find gravity and...
Yes, zero. But Sorry, force of friction is not 85n. We are pulling this with 85n. If force of friction equals the force pulling, the object won't move. Take a look at your another post in which I submitted by opinion.
Sorry, I might have confused you. What I want to say is that find all force act on the object, use net force equation(f=ma=0, which I told you in another post). net force will be
total force-friction force because friction acts the opposite. That is why I mentioned minus sign. I hope I am...
And mind you that friction force acts the opposite direction from the force acting on the object. i.e., if you move a block to the right, friction force act to the left. So, friction force would have minus sign.
If it is dragged with constant speed, yes. Try to draw a free body diagram and find forces acting on the object. Now let's see. I can first find two forces.
Hint: 'apple and Newton', and [the block is being moved by what?]
Homework Statement
A slingshot consists of a light leather cup, containing a stone, that is pulled back against two parallel rubber bands. It takes a force of 15 N to stretch either one of these bands 1.0 cm.
(a) What is the potential energy stored in the two bands together when a 50-g...
Newton's first law is 'all object will continue to be in their state of rest or of uniform speed in a straight line unless they are compelled to change that state by forces acting on them.'
Second law is 'the acceleration of an object is directly proportional to the net force acting on it and...
I was surpriesed to see that several information about protist is not consistent. Let's take a look.
According to my biology lecture note:
If it isn't anything, it is a protist:
Kingdom protists
-not a clade
-not a legitimate taxon
According to the wikipedia
There is still lot...