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lorasvet [3.4K]
3 years ago
11

Chemistry acids and bases

Chemistry
1 answer:
Ket [755]3 years ago
4 0

Answer:

Imma just say acids have more acidity and bases have lower acidity...

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Work can blank Energy between objects and cause a change in the form of energy
Kisachek [45]

Answer:

transfer

Explanation:

work can transfer energy between objects and cause a change in the form of energy.

8 0
3 years ago
Two moles of ideal He gas are contained at a pressure of 1 atm and a temperature of 300 K. 34166 J of heat are transferred to th
iragen [17]

Explanation:

The given data is as follows.

       n = 2 mol,         P = 1 atm,         T = 300 K

        Q = +34166 J,         W= -1216 J (work done against surrounding)

       C_{v} = \frac{3R}{2}

Relation between internal energy, work and heat is as follows.

      Change in internal energy (\Delta U) = Q + W

                                   = [34166 + (-1216)] J

                                   = 32950 J

Also,  \Delta U = n \times C_{v} \times \Delta T

                      = 3R \times (T_{2} - T_{1})

                 32950 J = 3 \times 8.314 J/mol K \times (T_{2} - 300 K)

                \frac{32950}{24.942} = T_{2} - 300 K

                            1321.06 K + 300 K = T_{2}    

                                       T_{2} = 1621.06 K

Thus, we can conclude that the final temperature of the gas is 1621.06 K.

8 0
3 years ago
Which statement is not true?
ludmilkaskok [199]
B) some planets revolve backwards

3 0
3 years ago
Write the IUPAC name OF THE FOLLOWING COMPOUNDS
goldenfox [79]

Answer:

Explanation:

a) 2 chloro butane

b) 2-3 dimethyl butane

c) 2 bromo 3 nitro pentane

d) 2-3 trimethyl pentane

e) 2-bromo,3-methyl,4-nitro hexane

f) 2-methyl cyclo butane

7 0
3 years ago
EXTRACTION OF CAFFEINE 1.Explain the reason each step of the separation is performed with three portions of the solvent rather t
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Answer:

Throughout the explanations section below you will find a description of the question.

Explanation:

(1)

  • Whether a solution would be positioned inside a separative funnel, combined water, as well as solvent, disintegrate particulate caffeine. In every stage, the caffeine content incorporated relies upon the coefficient of caffeine partitioning throughout the combination of water as well as fluid.
  • Thus, increasingly caffeine is taken from the solvent whenever the moment you bring additional solvent. Consequently, we separate the solvent from the single component.

(2)

  • For compounds to be mixed thoroughly and separated into different layers, a shuddering mixture within the dividing funnel would be essential.
  • However, it vibrates the separation funnel forcefully, restricts airflow within the funnel, which can also induce the fluid under it to burst or causing fluid to fire.
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