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malfutka [58]
3 years ago
15

URGENT PLEASE HELPIf 25 grams of liquid water releases 75J of heat when water cools from 88 degrees Celsius what is the final te

mperature?​
Chemistry
1 answer:
Sergeu [11.5K]3 years ago
6 0

Answer:

HEY RUBY!! WE ARE BOTH FAILING!!!!!!!

Explanation:

#&-78$#'☠️

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The answer is volume, in gasses, volume depends on the matter, but in solids, volume can be measured.
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When a solute is dissolved in water, the solution's boiling temperature _______ and the freezing temperature _______?
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Increases and decreases
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20. Which of the following statements regarding subshell filling order for a neutral atom is/are CORRECT? 1. Electrons are assig
expeople1 [14]

Answer:

2 only

Explanation:

Electrons are filled in atoms according to the Aufbau principle. Electrons are filled into lower energy orbital before the filling of higher energy orbitals and this sequence must be followed in filling electron orbitals.

The order of arrangement of energy levels may be shown as follows; 1s 2s 2p 3s 3p 4s 3d 4p 5s 4d 5p 6s 4f 5d 6p 7s 5f 6d 7p. This implies that 4f>6s, hence 6s is filled before 4f.

Also, the 6p level > 5d level hence this is the correct option. You must fill the 5d level before you feel the 6p level.

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Rank these systems in order of decreasing entropy. 1 = Greatest entropy and 7 = Least entropy. Group of answer choices 1 mol of
AlladinOne [14]

Answer:

  1. 1 mole of carbon disulfide gas at 273 K and 40 L
  2. 1 mol of chlorine gas at 273 K and 40 L
  3. 1 mol of neon gas at 273 K and 40 L
  4. 1 mol of neon gas at 273 K and 20 L
  5. 1/2 mol of neon gas at 273 K and 20 L
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Explanation:

Entropy is the measure of disorder or randomness in a closed system. Its an extensive property of a thermodynamic system

The following points must be considered when ranking the systems according to their entropy:

  1. The entropy of gases are highest than liquids or solid. And entropy of liquid is higher than solid. That is because gas has more microstate thus have the highest entropy.
  2. Entropies of large complicated molecules are greater than those of smaller, simpler molecules. Because larger molecules have more disorder because of the greater number of ways they can be move around in three dimensional space.
  3. highest temperature and highest volume will lead to greatest entropy
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3 years ago
Is a microwave oven ac or dc
Ronch [10]

Answer:

Microwave Ovens run on AC Input from the power supply.

7 0
3 years ago
Read 2 more answers
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