Answer:
1. SOCl2/pyridine
2. NH3
3. LiAlH4
4. H2O
Explanation:
In the conversion of (S)-3-methyl-3-phenylpentanoic acid to (5)-3-methyl-3-phenylpentanamine, SOCl2/pyridine is first added to the (S)-3-methyl-3-phenylpentanoic acid
This is then followed by the addition of NH3 is subsequently added followed by reduction using LiAlH4 which reduces the carbonyl carbon to an alkane. addition of water completes the mechanism and leads to the formation of the product.
When the solutions are diluted in half:
So [ Ca+2] = 0.001/2 = 0.0005 M
[SO4-2]= 0.01/2 =0.005
when Q = [Ca2+][SO4-2]
so by substitution:
Q = 0.0005*0.005 = 2.5x10^-6
by comparing with Ksp value
So when Q < Ksp
∴ the answer is no precipitation will occur, as the solution is unsaturated.
I think that it is B. because the others are most likely not true.
Chemical nomenclature, replete as it is withcompounds with complex names, is arepository for some very peculiar and sometimes startling names. A browse through the Physical Constants of Organic Compounds in the CRC Handbook of Chemistry and Physics (a fundamental resource) will reveal not just the whimsical work of chemists, but the sometimes peculiar compound names that occur as the consequence of simple juxtaposition. Some names derive legitimately from their chemical makeup, from the geographic region where they may be found, the plant or animal species from which they are isolated or the name of the discoverer.
Answer:
C)They are waiting for the best conditions for growth.
Explanation:
Seeds of plants require the best/optimum conditions for growth in order to germinating seed the best chances of survival.
These optimal conditions include;
Presence of Water
Adequate sunlight
Good soil, etc.
When these conditions are not present, some seeds usually stay dormant until favorable conditions are present.
For example, a coconut seed cannot survive or grow in sea/salt water, therefore, it lies dormant floating in the see until favorable conditions such as river tributaries or the seashore where it can germinate is present.
