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morpeh [17]
3 years ago
13

Spontaneous reactions occur if energy _____ and disorder _____.

Chemistry
1 answer:
frez [133]3 years ago
6 0
The answer is D. Decreases, Increases 
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1.) 3.3482 hL =__________nL
Taya2010 [7]

Answer:

334820000000nL

Explanation:

Since 1hL=100000000000nL

4 0
3 years ago
The pK of acetic acid is pK = 4.76. For a 0.1 M solution of acetic acid at a pH = 4.76 what is the concentration of [H+]?
spin [16.1K]

Answer:

[H+] = 1.74 x 10⁻⁵

Explanation:

By definition pH = -log  [H+]

Therefore, given the pH,  all we have to do is  solve algebraically for  [H+] :

[H+]  = antilog ( -pH ) =  10^-4.76 = 1.74 x 10⁻⁵

6 0
3 years ago
Which experimental setup would let a student investigate the connection between kinetic energy and temperature? (1 point) placin
Maslowich

Answer:

The correct option is;

Placing one drop of food coloring in a cup with 60 ml of water at 10°, placing one drop of food coloring in a second cup with 60 ml of water at 40°C

Explanation:

The experimental setup that would allow the student investigate the connection between kinetic energy and temperature should be made up of the following characteristics

1) The constant terms for the experiment should be defined, which in this case are

a) The volume of the water which is 60 ml in both subjects of the experiment

2) The definition of the variable that produces the effect that is being monitored, which is the use of the different temperatures in the two experimental subjects

3)The environmental limits of the experiment, which is the water and the food coloring used

5 0
3 years ago
The circles in the diagrams below represent energy levels in an atom, and the arrows show electron (blue dot) transitions from o
Hoochie [10]
Ranking of the atom from highest to lowest is as follows:
Highest
Arrow = from outer edge to center
2nd Highest
Arrow = second closest ring to the outer edge to center
3rd Highest
Arrow = middle circle to center
Lowest
Arrow = outer edge to middle circle

6 0
3 years ago
Increasing the amount of current flowing through a wire strengthens
vagabundo [1.1K]

Answer:

It will strengthen Electromagnetism

8 0
3 years ago
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