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3 years ago

What are Atmos made of

Chemistry

2 answers:

gtnhenbr [62]3 years ago

4 0

Answer:

Heyooo!

An atom itself is made up of three tiny kinds of particles called subatomic particles: protons, neutrons, and electrons.

Explanation:

Hope this helps!

Butoxors [25]3 years ago

3 0

You can’t make an atom because it’s the smallest thing ever

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Consider the acid-base neutralization reaction H2S(aq) + CN‒(aq) ⇌ HS‒(aq) + HCN(aq) For H2S, pKa = 7.0, and for HCN, pKa = 9.4.

zubka84 [21]

Answer:

Explanation:

To assess the strength of an acid or a base we need to consider the pKa or pKb. For an acid, the lower the pKa, the stronger the acid. For a base, the lower the pKb, the stronger the base.

Which of the following statements is FALSE?

(a) H₂S is a stronger acid than HCN. TRUE. The pKa of H₂S (7.0) is lower than the pKa of HCN (9.4).

(b) CN⁻ is a stronger base than HS⁻. TRUE. We can calculate the pKb of a base when we know the pKa of the conjugate acid using the following expression:

pKa + pKb = 14 ⇒ pKb = 14 - pka

The pKb of CN⁻ (4.6) is lower than the pKb of HS⁻(7.0) so it is a stronger base.

(c) At equilibrium, the equilibrium position favors the reactants. FALSE. In the reaction H₂S(aq) + CN⁻(aq) ⇌ HS⁻(aq) + HCN(aq), H₂S is the stronger acid and CN⁻ is the stronger base, so at the equilibrium the products are favored.

(d) At equilibrium, the equilibrium constant, Kc, is larger than 1. TRUE. Given the products are favored at the equilibrium, the equilibrium constant Kc is expected to be larger than 1 (the numerator is higher than the denominator).

5 0

3 years ago

Two electrons are found in the same atom. One has the quantum number set (3, 2, 0, +½), and the other has the quantum number set

tatiyna

Remember the order, <n, l, ml, and ms>.

n: energy level
l: subshell
ml: number of orbitals in the subshell.
ms: electron spin.

The first numbers (n) of both the electrons are the same, but the only difference is the second number (l). The first electron has l=2, indicating that the electron is in the "d" subshell. On the other hand, the second electron has l=1, indicating that the electron is in the "p" subshell.

*Remember*

l=0 (s) spherical shape
l=1 (p) peanut shaped
l=2 (d) clover

5 0

3 years ago

Read 2 more answers

What volume of methane gas at 237 K and 101.33 kPa do you have when the volume is decreased to 0.50 L, with a temperature of 300

Alexxandr [17]

Answer: A volume of 0.592 L of methane gas is required at 237 K and 101.33 kPa when the volume is decreased to 0.50 L, with a temperature of 300 K and a pressure of 151.99 kPa.

Explanation:

Given: $T_{1}$ = 237 K, $P_{1}$ = 101.33 kPa, $V_{1}$ = ?

$T_{2}$ = 300 K, $P_{2}$ = 151.99 kPa, $V_{2}$ = 0.50 L

Formula used is as follows.

$\frac{P_{1}V_{1}}{T_{1}} = \frac{P_{2}V_{2}}{T_{2}}$

Substitute the values into above formula as follows.

$\frac{P_{1}V_{1}}{T_{1}} = \frac{P_{2}V_{2}}{T_{2}}\\\frac{101.33 kPa \times V_{1}}{237 K} = \frac{151.99 kPa \times 0.50 L}{300 K}\\V_{1} = 0.592 L$

Thus, we can conclude that a volume of 0.592 L of methane gas is required at 237 K and 101.33 kPa when the volume is decreased to 0.50 L, with a temperature of 300 K and a pressure of 151.99 kPa.

8 0

3 years ago

MULTIPLE CHOICE QUESTION

Tpy6a [65]

They get closer together

7 0

3 years ago

Why is the number of electrons or charge of each ion useful information when predicting the products in replacement reactions?

olga nikolaevna [1]

In order to determine if the ion is positively charged or negatively charged

3 0

3 years ago

What are Atmos made of​

What are Atmos made of