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Type: Posts; User: neodarwinian
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What is the hardest natural substance know to man?
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You only have 20 amino acids to chose from and thousands of proteins to make.
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Don't you think the Golgi is too far down the endomembrane system for making proteins?
Even biology can be logically approached.
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Are they changed in a reaction?
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Try differentiation here.
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A quick Google of the alkaline earth metals will give you your answer.
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O^2-
That is a free radical. A anion.
H2O
One result of these electron hogs interacting with other elements. Not always this innocuous.
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This is year two algebra?!
This simple arithmetic problem can be solved with the converse of the percentages given. Simple division.
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Distance = Rate * Time
Or, for our purposes,
Rate = Distance/Time
From the rate, m/s, you should be able to figure out the ' beats by. '
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Regardless, the warning stands.
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Phosphine gas is highly toxic and flammable. Untreated phosphine gas is also orderless.
Do not synthesize this gas!
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CuO + H2 ---> Cu + H2O
Simple stoichiometry here as all is one to one. Find moles of reactants, the H2 should be limiting ( but check----found moles less than coefficient moles, but H2 really...
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Because they are both disassociated in solution.
K^+ ( the cation on both sides of the equation )
and
NO3^- ( the polyatomic anion on both sides of the equation )
In solution these ions...
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The usual 5% significance level.
More detail from you needed here
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(6c -5) + (-6c)
Now, spaced properly I see that you just add the two terms together. Only one term will remain then.
No multiplication here and this is a simple set of terms just needing to be...
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Not a real equation but an identity.
Use your identities on the inside of the text cover and follow the other answer that was given.
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Molarity = moles of substance/Liters of solution ( convert mL to L )
If you have moles you can get mass.
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Could use a chi square hypothesis test.
X^2 = sigma(total of) {observed frequency - expected frequency)^2/expected frequency]
Less that 5% and through out the hypothesis.
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Obviously she is pregnant, so fertility dates were miscalculated most likely.
The " rhythm " method is very inaccurate. Pulling out is not much better. Try a better means of birth control
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Solving Algebraic Equations 6x-7y=-13 and 7x+5y=-2
A system of equations.
6X - 7Y = - 13
7X + 5Y = - 2
Elimination would work best here. So you would bring the set to opposite but equal...
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PV = nRT
Pressure * Volume = moles of substance * R ( a constant ) * temperature in Kelvin
This is a fairly simple ideal gas equation problem.
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Lysosomes are full of these enzymes and they merge with their target.
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Organosilicon compounds are usually absent in biochemical processes. The non carbon analogue, I think.
I do not understand from your question if organosilcons are analogous, or not analogous in...
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Simple equality.
M1V1 = M2V2
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f(x)=x^2 if x<0
f(- 2)
Just plug and chug. - 2 is < 0, so..
f(x) = X^2
f(- 2) = (- 2)^2
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The biomass. All organic matter. Living and nonliving.
A simple carbon cycle.
Plants take carbon dioxide from the air, fix it into sugars and use it to build plant matter. ( some carbon dioxide...
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Actually, they are inverted to keep the covers from fogging and facilitating the growth of fungi. Also to keep that moister from dripping back into the culture.
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That appears to be it.
There are no further common factors that I can see.
2(4X^2 - 25)
============This appears to be the fully factored expression. ( especially at the HS level )
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Not sure what you want but helium is an inert gas and carbon dioxide is anything but inert.
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You should know this is a tetrahedral structure and the VESPER theory is well explained in your chem book
5.
VSEPR theory explains ______.
This should be obvious as we live in a three...
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Not possible.
Blood group O is recessive ( Rh factors, +/-, mean nothing here )
If both parents are O this thin is the only cross as a recessive expression must be homozygous.
OO X OO...
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1. What are the molecular shapes of?
Methane (CH4)
This is a tetrahedral structure and this structure is in your book along with all the other VESPER theory structures. ...
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Review the distributive property.
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The seasons.
Google for fuller answer.
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P1*V1/T1 = P2*V2/T2
You have 5 things and you need to find the 6th.
Might have to do some conversions.
Pressure = atmospheres
Volume = liters
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1 mole gas/4 stops = 0.25 moles
Convert Fahrenheit to Kelvin by going through the Fahrenheit to Celsius conversions and use the 62.36 L*torr/mol*K ( torr = mm Hg directly)
Then, PV...
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6.022 X 10^23
------------------------A helpful number in your situation.
No homework is done here without some work being shown so that help can be given. Show a set up.
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They sell kits that tell you very easily whether you are pregnant or not.
From this perspective, behind my keyboard, I could not tell you but it sounds as if your menses is acting particularly...
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Substances tend to flow down their concentration gradients.
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With a true and false question you know they ALL can't be in the nucleus
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This is very simple.
What is your density formula? Plug and chug.
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2NaF + H2O --> 2HF + Na2O
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This would be the ideal balanced equation that would yield hydrofluoric acid, but I said ideal, so I think you are right and...
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Looks cut off to me, but..
This formula seems right.
q(in joules) = mass * specific heat of that mystery gas * change in temperature
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X = Vo*t + 1/2a*t^2
A equation of kinematics you may find useful.
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Hydrogen is..
1.008 grams/mole
That is 1.008 grams is 6.022 X 10^23 atoms of hydrogen.
So, 1 atom of hydrogen..
1 atom H/6.022 X 10^23 atoms
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Both in the strong nuclear force holding protons and neutrons together and the weak nuclear force that is there in electron interactions between elements.
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Nitrogen fertilizer is used in bombs, not phosphorous fertilizer.
You people are right about one thing, chemistry is not your profession. Chemistry is not a trade!
This is homework and not...
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