1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
soldi70 [24.7K]
2 years ago
12

Without doing any calculations, match the following thermodynamic properties with their appropriate numerical sign for the follo

wing endothermic reaction. 2N2(g) + O2(g)2N2O(g) Clear All > 0 Hrxn < 0 Srxn = 0 Grxn > 0 low T, < 0 high T Suniverse < 0 low T, > 0 high T
Chemistry
1 answer:
siniylev [52]2 years ago
3 0

Answer:

∆H > 0

∆Srxn <0

∆G >0

∆Suniverse <0

Explanation:

We are informed that the reaction is endothermic. An endothermic reaction is one in which energy is absorbed hence ∆H is positive at all temperatures.

Similarly, absorption of energy leads to a decrease in entropy of the reaction system. Hence the change in entropy of the reaction ∆Sreaction is negative at all temperatures.

The change in free energy for the reaction is positive at all temperatures since ∆S reaction is negative then from ∆G= ∆H - T∆S, we see that given the positive value of ∆H, ∆G must always return a positive value at all temperatures.

Since entropy of the surrounding= - ∆H/T, given that ∆H is positive, ∆S surrounding will be negative at all temperatures. This is so because an endothermic reaction causes the surrounding to cool down.

You might be interested in
Assume the recommended single dose of an antihistamine for a child weighing between 18-23 lbs is 0.75 teaspoons (tsp). if 1.00 t
blagie [28]

We are given that 1 teaspoon is equivalent to 5 mL, therefore 0.75 teaspoon is:

0.75 teaspoon * (5 mL / 1 teaspoon) = 3.75 mL

 

So the mass is density times volume:

mass = (12.5 mg/5 ml) * 3.75 mL

<span>mass = 9.375 mg</span>

7 0
2 years ago
Read 2 more answers
Determine the oxidation number of each element in these compounds or ions. (a) au2(seo4)3 (gold(iii) selenate) au = se = o = (b)
Stels [109]
<span>                                                    Au</span>₂(SeO₄)₃

                                         O = -2 × 4 = -8
                                             Se  =  + 6
So,
                                            (+6 - 8) = -2

Means (SeO₄) contains -2 charge, Now multiply -2 by 3
                                             
                                             -2 ₓ 3 = -6
Means,
                             Au₂ + (-6) = 0
               
                            Au₂  = +6
Or,
                            Au  =  6 / 2

                            Au  = +3
Result:
                            Au  =  +3
                            Se  =  +6
                            O   =  -2

                                                      Ni(CN)₂


Cyanide (CN⁻) contains -1 charge,
So,
                              N  =  -3
                              C  =  +2
Then,
                                         Ni + (-1)₂  =  0

                                               Ni - 2  =  0
Or,
                                                     Ni =  +2
Result:
                            N  =  -3
                            C  =  +2
                           Ni  =  +2




6 0
3 years ago
I will give you Brainly if you awser correct if your gonna awser for points pl put I don’t know
gizmo_the_mogwai [7]

Answer:

C

Explanation:

6 0
3 years ago
Read 2 more answers
For the reaction shown, find the limiting reactant for each of the initial quantities of reactants.
Charra [1.4K]

Answer:

heres the link of the answer

boldniwally.com

3 0
2 years ago
Dmitri Mendeleev and Henry Moseley developed their periodic tables about forty years apart. During that time, many discoveries i
Sindrei [870]

Answer:

The first one I think

Explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • The primary forces of attraction between water molecules in h2o(l) are
    5·1 answer
  • A sample of xenon gas at a pressure of 1.14 atm and a temperature of 20.4 °C, occupies a volume of 16.9 liters. If the gas is al
    7·1 answer
  • Why is it possible to safely drink a solution that contains a 50:50 mixture of equal concentrations of a strong acid and a stron
    11·1 answer
  • Describe the difference between gravitational force and strong nuclear force
    9·1 answer
  • Chemistry acids and bases
    11·1 answer
  • The pressure of sulfur dioxide in a container is 159 kpa. what is this pressure in atmospheres?
    9·1 answer
  • Name each of the three types of unsaturated hydrocarbons, summarize their structural differences, and give an everyday source of
    15·2 answers
  • A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 8.10kg of water at 33.9 degree
    13·1 answer
  • What property of matter best describes the way a typical alcohol thermometer works?
    7·1 answer
  • How do i find the atomic mass and number ?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!