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zimovet [89]
3 years ago
7

What is chlorine's atomic number and mass

Chemistry
1 answer:
makkiz [27]3 years ago
8 0

\red{⭐hello my \: friend!}

chlorine's atomic number and mass :

35,453 u

\blue{⭐have  good  studies!}

☝️follow the rules of brainly!

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Consider the following reaction at 25 °C: 4Fe(s) + 3O2(g) ⇌ 2Fe2O3(s) An equilibrium mixture contains 1.0 mol Fe, 1.0 × 10–3 mol
tino4ka555 [31]

Answer:

Kc = Kc = 8.0 * 10^9

Kp = 5.5 *10^5

Explanation:

Step 1: Data given

Temperature = 25.0 °C

Number of moles Fe = 1.0 moles

Number of moles O2 = 1.0 * 10^-3 moles

Number of moles Fe2O3 = 2.0 moles

Volume = 2.0 L

Step 2: The balanced equation

4Fe(s) + 3O2(g) ⇌ 2Fe2O3(s)

Step 3: Calculate molarity

Molarity = moles / volume

[Fe] = 1.0 moles / 2.0 L

[Fe] = 0.5 M

[O2] = 0.001 moles / 2.0 L

[O2] = 0.0005 M

[Fe2O3] = 2.0 moles / 2.0 L

[Fe2O3] = 1.0 M

Step 4: Calculate Kc

Kc =1/ [O2]³

Kc = 1/0,.000000000125

Kc = 8.0 * 10^9

Step 5: Calculate Kp

Kp = Kc*(R*T)^Δn

⇒with Kc = 8.0*10^9

⇒with R = 0.08206 L*atm /mol*K

⇒with T = 298 K

⇒with Δn = -3

Kp = 8.10^9 *(0.08206 * 298)^-3

Kp = 5.5 *10^5

4 0
3 years ago
5.04 Discussion: Reaction-Rate Factors
saul85 [17]

Increasing the surface area of the reactant by pelletizing the calcium carbonate, and increasing the concentration of hydrochloric acid resulted in increase in the rate of reaction.

<h3>What is reaction rate?</h3>

Reaction rate refers to the rate at which reactant molecules are consumed or the rate at which product molecules are formed.

The factors that affect reaction rate include:

  • Temperature
  • Concentration
  • Surface area of reactants
  • Nature of reactants
  • Presence of catalysts

Given an experiment to determine effect of surface area of reactants  and concentration on reaction rate of dilute hydrochloric acid and calcium carbonate:

It was observed that increasing the surface area of the reactant by pelletizing the calcium carbonate and increasing the concentration of hydrochloric acid made the reaction proceed faster.

In conclusion, reaction rate increases with increase in surface area.

Learn more about factors affecting reaction rate at: brainly.com/question/14817541

#SPJ1

8 0
2 years ago
What amount in moles does 242 L of carbon dioxide occupy at 1.32 atm and 20 degrees C
Gelneren [198K]

Answer:

13.28 mol.

Explanation:

  • We can use the general law of ideal gas:<em> PV = nRT.</em>

where, P is the pressure of the gas in atm (P = 1.32 atm).

V is the volume of the gas in L (V = 242.0 L).

n is the no. of moles of the gas in mol (n = ??? mol).

R is the general gas constant (R = 0.0821 L.atm/mol.K).

T is the temperature of the gas in K (T = 20.0° + 273 = 293.0 K).

∴ n = PV/RT = (1.32 atm)(242.0 L)/(0.0821 L.atm/mol.K)(293.0 K) = 13.28 mol.

7 0
3 years ago
How many moles of carbon dioxide are produced from the reaction of oxygen with four moles of propane (C3H8)? C3H8 + 502 —&gt; 3C
BigorU [14]

Answer:

12 moles

Explanation:

1. Do comparison

From the equation, 1 mole of C3H8 yields 3 moles of CO2

Therefore, 4 moles of C3H8 should yield 12 moles of CO2

Steps:

Number of moles of CO2

= (1 mol x 4) x 3

= 12 moles

3 0
3 years ago
Read 2 more answers
Given the unbalanced equation:
sergij07 [2.7K]

Answer:

3 is the coefficient in front of the CaSO_{4}

The smallest whole-number coefficient is 2.

Explanation:

The balanced chemical equation is as follows.

Al_{2}(SO_{4})_{3}(aq)+3Ca(OH)_{2}(s) \rightarrow 2Al(OH)_{3}(s)+3CaSO_{4}(s)

3 is the coefficient in front of the CaSO_{4}

The smallest whole-number coefficient is 2.

5 0
3 years ago
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