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Pachacha
12 days ago
3

The table describes a gas stored in four different containers. Properties of Stored Gas Container Properties 1 · Low number of c

ollisions with container walls · Medium average kinetic energy · Large number of particles 2 · Large number of collisions with container walls · Medium average kinetic energy · Small number of particles with little spaces between them 3 · Large number of collisions with container walls · High average kinetic energy · Large number of particles with large spaces between them 4 · Few collisions with container walls · Low average kinetic energy · Small number of particles Which container has gas stored at the highest temperature?
Chemistry
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Which is not the purpose of using a paper towel to dab off your metal?
castortr0y [3046]

Answer:

To facilitate a swifter reaction, remove the outer sodium oxide layer that has developed

Explanation:

The rationale for not utilizing a paper towel to dab your metal is:

Eliminate the outer sodium oxide layer that has formed to enable a quicker reaction.

Dabbing involves applying quantities of a cannabis concentrate that vaporizes on a heated surface.

Using an ordinary paper towel to dab that metal won’t effectively remove the outer oxide layer.

4 0
2 months ago
Silver (ag) has a molar mass of 107.8682 g, nitrogen has a molar mass of 14.0067 g, and oxygen has a molar mass of 15.9994 g. wh
castortr0y [3046]
AgNO3=
3 0
2 months ago
Read 2 more answers
The decomposition of AB given here in this balanced equation 2AB (g)⟶ A2 (g) + B2 (g), has rate constants of 8.58 x 10-9 L/mol s
Anarel [2989]

Answer:

3.24 × 10^5 J/mol

Explanation:

To determine the activation energy for this reaction, the following equation is utilized:

ln(k2/k1) = Ea/R x (1/T1 - 1/T2)

Where; Ea is the activation energy (J/mol)

R represents the ideal gas constant = 8.3145 J/Kmol

T1 and T2 correspond to absolute temperatures (K)

k1 and k2 denote the reaction rate constants at the given temperatures

Initially, temperatures measured in °C must be converted to K

T(K) = T(°C) + 273.15

T1 = 325°C + 273.15

T1 = 598.15K

T2 = 407°C + 273.15

T2 = 680.15K

Given that k1= 8.58 x 10-9 L/mol, k2= 2.16 x 10-5 L/mol, and R= 8.3145 J/Kmol, we can now calculate Ea

ln(k2/k1) = Ea/R x (1/T1 - 1/T2)

ln(2.16 x 10-5/8.58 x 10-9) = Ea/8.3145 × (1/598.15 - 1/680.15)

ln(2517.4) = Ea/8.3145 × 2.01 × 10^-4

7.831 = Ea(2.417 × 10^-5)

Ea = 3.24 × 10^5 J/mol

8 0
2 months ago
Max discovered a beaker full of transparent liquid in the science lab. He hypothesized that since the liquid is transparent like
KiRa [2933]

B. Verify a hypothesis by collecting evidence

Honestly, who thinks "oh there's a clear liquid in the lab? It must be water."

6 0
3 months ago
A solution with a hydrogen ion concentration of 3.25 × 10-2 m is ________ and has a hydroxide concentration of _______
Anarel [2989]

To determine the acidity of a solution, we need to compute the pH value. The formula for calculating pH is as follows:

<span>pH = - log [H+]            where H+ is expressed in Molar</span>

We have H+ = 3.25 × 10-2 M

Thus, the pH is:

pH = - log [3.25 × 10-2] 

pH = 1.488

Because the pH is significantly less than 7, the solution is acidic.

 

To calculate the concentration of OH-, it is important to remember that the product of H+ and OH- equals 10^-14. So

[H+]*[OH-] = 10^-14 <span>
</span>[OH-] = 10^-14 / [H+]

[OH-] = 10^-14 / 3.25 × 10-2

[OH-] = 3.08 × 10-13 M

 

Answers:

Acidic

[OH-] = 3.08 <span>× 10-13 M</span>

6 0
2 months ago
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