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2 years ago

The reduction of aldehydes, ketones, organic acids and their derivative of the process of alcohols is used for

Chemistry

1 answer:

ikadub [295]2 years ago

8 0

Answer:

Widening of blood vessels.

Explanation:

The reduction of aldehydes, ketones, organic acids causes the formation of alcohols that is used for different process in the human body. This alcohol increase the width of the blood vessels as it enters the bloodstream causing greater flow of blood to the skin surface as well as temporary feeling of warmth. It also increased heat loss and rapid body temperature decrease that produces cooling effect in the body.

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PLSSSSS HELP I DONT GET THIS PROBLEMMMM

Aleks [24]

Answer:

C. 7370 joules.

Explanation:

There is a mistake in the statement. Correct form is described below:

<em>Using the above data table and graph, calculate the total energy in Joules required to raise the temperature of 15 grams of ice at -5.00 °C to water at 35 °C. </em>

The total energy needed to raise the temperature is the combination of latent and sensible heats, all measured in joules, and represented by the following model:

$Q = m\cdot [c_{i} \cdot (T_{2}-T_{1})+L_{f} + c_{w}\cdot (T_{3}-T_{2})]$ (1)

Where:

$m$ - Mass of the sample, in grams.

$c_{i}$ - Specific heat of ice, in joules per gram-degree Celsius.

$c_{w}$ - Specific heat of water, in joules per gram-degree Celsius.

$L_{f}$ - Latent heat of fusion, in joules per gram.

$T_{1}$ - Initial temperature of the sample, in degrees Celsius.

$T_{2}$ - Melting point of water, in degrees Celsius.

$T_{3}$ - Final temperature of water, in degrees Celsius.

$Q$ - Total energy, in joules.

If we know that $m = 15\,g$ , $c_{i} = 2.06\,\frac{J}{g\cdot ^{\circ}C}$ , $c_{w} = 4.184\,\frac{J}{g\cdot ^{\circ}C}$ , $L_{f} = 334.72\,\frac{J}{g}$ , $T_{1} = -5\,^{\circ}C$ , $T_{2} = 0\,^{\circ}C$ and $T_{3} = 35\,^{\circ}C$ , then the final energy to raise the temperature of the sample is:

$Q = (15\,g)\cdot \left[\left(2.06\,\frac{J}{g\cdot ^{\circ}C} \right)\cdot (5\,^{\circ}C)+ 334.72\,\frac{J}{g} + \left(4.184\,\frac{J}{g\cdot ^{\circ}C}\right)\cdot (35\,^{\circ}C) \right]$

$Q = 7371.9\,J$

Hence, the correct answer is C.

8 0

2 years ago

How many moles are in 5.7 Liters of carbon monoxide?

Sveta_85 [38]

Answer:

monika way finna get youuuuuuuuuuuu

Explanation:

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2 years ago

An atom does not have to have equal numbers of protons and _________________ in the nucleus.

Tom [10]

Answer:

the answer is neurtons

Explanation:

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2 years ago

A gas in a rigid container is heated so that it's kelvin temperature doubles. What happens to its pressure

Evgesh-ka [11]

As temperature increases, pressure increases

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3 years ago

True or False: The ticketing area is more secure than the area beyond the security check point.

Natali [406]

The answer is false.

That is the ticketing area is more secure than the area beyond the security check point is false rather than the area beyond security check point is more safe than the ticketing area.

There is more security in the area beyond security check point because of anti-terrorism actions .

There is less security on the ticketing area and more on security check point.

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2 years ago