Answer:
we will except an increase in the polarity of the system and this will cause the Non-polar spot to be near the solvent front, while the polar spot will run at an approximate speed of 0.5 Rf
Explanation:
when we run a TLC plate in a 50/50 mixture of hexanes and ethyl acetate we will except an increase in the polarity of the system and this will cause the Non-polar spot to be near the solvent front, while the polar spot will run at an approximate speed of 0.5 Rf
The speed of the polar spot depends largely on the level of polarity, an increase in the polarity will see both spots of Neat hexane run when we run a TLC plate in a 50/50 mixture of hexanes and ethyl acetate
Answer:
THE SPECIFIC HEAT CAPACITY IS 4.44 J/G C
Explanation:
Heat energy = 20000 J
Mass = 100 g
Change in temperature = 145 C - 100 C = 45 C
Specific heat capacity = unknown
In calculating the specific heat capacity, we use the formula:
Heat = mass * specific heat capacity * change in temperature
Re-arranging the formula by making the specific heat capacity the subject of the equation, we have:
Specific heat capacity = Heat / mass * change in temperature
Specific heat capacity = 20000 J / 100 g * 45 C
Specific heat = 20000 / 4500
Specific heat = 4.44 J/g C
The specific heat capacity of the substance is therefore 4.44 J/g C
Answer:
is where chemical reactions occur in an organic molecule
Explanation:
A functional group -
In the field of organic chemistry , the group of atoms which are responsible to show the specific chemical reaction of the molecule , is referred to as the functional group .
The functional group will always show same type of reaction for various range of compounds .
Hence , from the given question ,
The correct option is - is where chemical reactions occur in an organic molecule .
