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Aliun [14]
3 years ago
13

The thermodynamic quantity that expresses the extent of randomness in a system is ________. Question 14 options: entropy bond en

ergy enthalpy internal energy heat flow
Chemistry
1 answer:
Bumek [7]3 years ago
3 0

Answer:  entropy

Explanation:

Entropy is the measure of degree of randomness or disorder of the system.

Bond energy is the energy possessed by a substance by virtue of its bonding of electrons

Enthalpy is the amount of energy absorbed or released in a chemical reaction.

Internal energy is the energy possessed by a body by virtue of rotational, vibrational and transitional modes.

Heat flow is the phenomenon of thermal equilibrium in which heat flows from hotter body to colder body to maintain equilibrium temperature.

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What is the symbol of a ion with a 22 protons, 34 neutrons, and 18 electrons
Dominik [7]
Well knowing the number of protons, you can find what the element is, which is Ti = titanium. Then to find the charge, simply subtract 22 and 18 which is +3.

Find the mass number by adding 22 and 34 = 56.

56. +3
Ti

22

This would be the correct notation in isotopic form.
3 0
3 years ago
A 50% antifreeze solution is to be mixed with a 90% antifreeze solution to get 200 liters of a 80% solution. How many liters of
sergey [27]

Answer:

50 ltr 150 ltr

Explanation:

this problem can be solved by the mixture and allegation concept which can be clearly understand from bellow figure in which the concentration of solution 1 is 50% and concentration of solution 2 is 90% before mixing after mixing with help bellow concept the ratio of concentration become 10:30

ratio of solution 1 and solution 2 =10:30

                                                     =1:3

total mixture is 200 liters

part of solution 1=\frac{1}{4} ×200

                           =50 liters

part of solution 2=\frac{3}{4} ×200

                           =150 liters

6 0
3 years ago
Calcula el pH de estas soluciones: A-acido sulfúrico 0,0013 m B- hidróxido de socio 1,7 . 10 (-3) C- hidróxido de bario 2,2 . 10
Vladimir [108]

Answer:

ksüqkdbkavavsü hwkfülbjvvsb

4 0
3 years ago
To practice for an Ironman competition, John rode his bike for 15 kilometers. How many
puteri [66]

Answer:

15000

Explanation:

1000 Meters in a kilo meter. So multiply 15 by a 1000.

6 0
3 years ago
During an investigation, hair samples are taken from either the head or pubic area of a victim.
BabaBlast [244]

Answer:

A. True

Explanation:

it is possible to identify a hair as originating from a particular body area, the regions of the body that are primarily used in forensic comparisons are the head and pubic areas.

Forensic = the application of scientific methods and techniques to natters investigation by a court of law.

7 0
2 years ago
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