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ludmilkaskok [199]
2 years ago
5

ice _______________ - a collective term for several mechanical weathering processes induced by stresses created by the freezing

of water into ice.
Chemistry
1 answer:
elena-14-01-66 [18.8K]2 years ago
6 0

Answer: Frost weathering is a collective term for several mechanical weathering processes induced by stresses created by the freezing of water into ice.

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a graduated cylinder (approximate as a regular cylinder) has a radius of 1.045 cm and a height of 30.48 cm. what is the volume o
Luba_88 [7]

Answer: 103.5 cm^3

Explanation:

8 0
3 years ago
Which molecule has the greatest difference in electronegativity (DE) between the two different elements? A. CO_2 B. H_2S C. NH_3
Natalka [10]

Answer:

Water has the greatest ΔEN

ΔEN H₂O → 3.4 - 2.1 = 1.3   Option D.

Explanation:

We should find the Electronegativity data in the Periodic table for all the elements:

C : 2.6

O: 3.4

H: 2.1

S: 2.6

N: 3.0

a. ΔEN CO₂ → 3.4 - 2.6 = 0.4

b. ΔEN H₂S → 2.6 - 2.1 = 0.5

c. ΔEN NH₃ → 3 - 2.1= 0.9

d. ΔEN H₂O → 3.4 - 2.1 = 1.3

3 0
3 years ago
Which compound contains both ionic and covalent bonds?
slava [35]
<span>Answer is </span>(3) - Sodium Nitrate.<span>

</span>Normally ionic bonds can be seen between metals and non-metals while covalent bonds present between non-metals. Another thing that determines the bond nature is electronegativity value of the atoms. If the electronegativity difference is high, then that bond tends to be an ionic bond.<span>
 
</span><span>Sodium nitrate consists of </span>Na⁺<span> and </span>NO₃⁻ ions. Hence, the bond between Na⁺ and NO₃⁻<span> is an </span>ionic bond. <span><span>

NO</span>₃⁻ </span><span>is made from </span>N <span>and </span>O<span>. Both are </span>non-metallic atoms. <span>The </span>electronegativities <span>of </span>N <span>and </span>O <span>are </span>3.0 <span>and </span>3.5 <span>respectively. Hence, there is </span>no big difference between electronegativity values (3.5 - 3.0 = 0.5<span>). Hence, the bond between N and O is a </span><span>covalent bond. </span>
5 0
3 years ago
Read 2 more answers
What determines the temperature of an object at the molecular level?
Temka [501]
At the molecular level, temperature is related to the random<span> motions of the particles (</span>atoms<span> and molecules) in </span>matter<span>. Because there are different types of </span>motion, the particles' kinetic energy (energy of motion) can take different forms, and each form contributes to the total kinetic energy of the particles.<span>
<span>
</span></span>
7 0
3 years ago
The reaction: 2 SO2(g) + O2(g) --&gt; 2 SO3(g) has an equilibrium constant of K1. What is the K value for the reaction: SO3(g) -
Murljashka [212]

<u>Answer:</u> The value of equilibrium constant for reverse reaction is (\frac{1}{K_1})^{1/2}

<u>Explanation:</u>

The given chemical equation follows:

2SO_2(g)+O_2(g)\rightarrow 2SO_3(g)

The equilibrium constant for the above equation is K_1

We need to calculate the equilibrium constant for the reverse equation of above chemical equation, which is:

SO_3(g)\rightarrow SO_2(g)+\frac{1}{2}O_2(g)

The equilibrium constant for the reverse reaction will be the reciprocal of the initial reaction.

If the equation is multiplied by a factor of '\frac{1}{2}', the equilibrium constant of the reverse reaction will be the 1/2 power of the equilibrium constant  of initial reaction.

The value of equilibrium constant for reverse reaction is:

K_{eq}'=(\frac{1}{K_1})^{1/2}

Hence, the value of equilibrium constant for reverse reaction is (\frac{1}{K_1})^{1/2}

8 0
3 years ago
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