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katrin2010 [14]
4 years ago
8

2-methylbenzamide and 3-nitrobenzoic acid both have a melting point of

Biology
1 answer:
taurus [48]4 years ago
5 0

2 - methylbenzamide and 3 - nitrobenzoic acid both have melting points of 140.1 - 140.4°C.

To add, nitrobenzoic<span> <span>acids are derivatives of benzoic acid. Two are commercially important. They are about ten times more acidic than the parent benzoic acid.</span></span>

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Polymers make up Monomers<br><br> True or False
scoray [572]

Answer: False

Explanation:

Hey there! It is the other way around. Monomers make up Polymers. Monomers are referred as the building blocks of Polymers.

~I hope I helped :)~

6 0
3 years ago
In the year 2000, over 80 million metric tons of nitrogen fertilizers were used in producing food for the world’s 6 billion peop
vova2212 [387]

Answer:

Higher food production per unit of agricultural land

Explanation:

With respect to the rate of fertilizer usage in relation to food production over the past 40 years, we can assume that we are almost getting to the limit to which Nitrogen fertilizer input can further increase food production using the same area of land. Further higher input of nitrogen fertilizer might be counter productive, and neither do lower use of Nitrogen fertilizer per unit area solve the predicted increase in demand of food in the future. The most plausible statement that represents future agricultural changes for maintaining an adequate food supply in response to growing population is “Higher food production per unit of agricultural land”. This can be achieved through other technological innovations compared to nitrogen use.

6 0
4 years ago
The volume of a certain gas is 29.3 liters at STP. What would be the volume of the same gas at 1.39 atmospheres and -23.00C? (R=
Andrew [12]

Answer:

19.32L

Explanation:

Given parameters:

Volume of the gas at STP = 29.3liters;

      Using this information first, let us find the number of moles of the gas.

                  Number of moles = \frac{volume of gas}{22.4}

With the number of moles, we can further solve this problem;

                 Number of moles  = \frac{29.3}{22.4}   = 1.31 moles

More parameters;

Pressure on gas  = 1.39atm

temperature  = -23°C  = -23 + 273  = 250K

Unknown:

Volume of gas  = ?

Solution:

The ideal gas equation is the perfect fix to solve this problem.

It is mathematically expressed as;

              Pv  = nRT

where P is the pressure

           v is the volume

           R is the gas constant

            n is the number of moles

            T is the temperature

     Input the parameters;

             1.39 x V  = 1.31 x 0.082 x 250

                     V  = 19.32L

7 0
3 years ago
Which of the following types of waves has more energy than an x-ray
alexdok [17]

Answer:

Ultraviolet, visible, infrared, and microwaves

Explanation:

5 0
3 years ago
three of the following simple machines are basically the same. the one that does not belong with the group is the
mezya [45]
Wedge hope this helps :3
8 0
3 years ago
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