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Answer:
The type of reaction for the formation of ethyl ethanoate is<u> </u><u>Condensation .</u>
Explanation:
Condensation reaction -
The reaction in which two or more reactant combines to form a product ,along with the removal of small molecules like water , ammonia etc . , is called a condensation reaction .
Ethyl alcohol and acetic acid combines together to form ethyl ethanoate as the ester .
This is a reaction to form a ester , from alcohol and carboxylic acid .
To make water molecule, H atom is taken from the alcohol and OH is taken from the carboxylic acid , as a result remaining structures of alcohol and acid unite with each other forming an ester .
The height of the old watch as a function of time can be modeled by the equation
h(t) = –16t^2 + 23t - 8
We set this equation equal to zero because the height the old watch will land outside the hole is zero:
0 = –16t^2 + 23t - 8
Since we have a quadratic equation, we can calculate for t by using the quadratic formula
x = [-b ± sqrt(b^2 - 4ac)] / 2a
t = {-23 ± sqrt[23^2 - 4(-16)(-8)]} / 2(-16)
t = [-23 ± sqrt(17)] / (-32)
t = 0.590 seconds or 0.848 seconds
The two t values show that the old watch will land outside the hole once at 0.590 seconds and again at 0.848 seconds. Therefore, having gone up and back down, it will land at 0.848 seconds.
Answer:
a) esophagus and intestines
b) the acid in the stomach helps the digestive juices to act by making the medium in the stomach acidic
c) it helps in getting rid of waste substances(water,bile pigments and sloughed off cells) and bacteria
d) colon
e) pancreatic glands
it produces juices that help breakdown food and hormones that controls blood and sugar levels
Explanation:
