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Marina86 [1]
3 years ago
8

PLEASE HELP ME!!!!!!!!!!!!!!!!!! FILL IN THE BLANKS !!!25 POINTS AND BRAINLIEST

Chemistry
2 answers:
KonstantinChe [14]3 years ago
3 0

Answer:

help you with what I don't see anything

Georgia [21]3 years ago
3 0

Answer:

free points thanks.

forgot pic

Explanation:

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_______ is the amount of heat necessary to raise the temperature of 1 gram of a substance by 1 degree Kelvin. A. A calorie B. En
Maksim231197 [3]
<h2>The required option d) "specific heat" is correct.</h2>

Explanation:

  • To raise the temperature of any substance or material of certain mass to respective temperature it requires some amount of heat.
  • Specific heat is the amount of heat necessary to raise the temperature of the substance of 1 gram to 1 Kelvin.
  • It is the amount of heat which is required to raise the temperature per unit mass to per unit temperature.
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How is the formula for hydrogen different from the formula for helium gas​
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Helium is monotonic
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Consider the following system at equilibrium where H° = 111 kJ/mol, and Kc = 6.30, at 723 K.
Rashid [163]

Answer:

1) The value of Kc:

C. remains the same.

2) The value of Qc:

A. is greater than Kc.

3) The reaction must:

B. run in the reverse direction to restablish equilibrium.

4) The concentration of N2 will:

B. decrease.

Explanation:

Hello,

In this case, by means of the Le Chatelier's principle which is based on the shift a chemical reaction could have under some modifications, we have:

1) The value of Kc:

C. remains the same, since it just depend the reaction's thermodynamics as it is computed via:

ln(K)=\frac{\Delta _RG}{RT}

2) The value of Qc:

A. is greater than Kc, since the reaction quotient is:

Qc=\frac{[N_2][H_2]^3}{[NH_3]^2}

Thus, the lower the concentration of ammonia, the higher Qc, making Qc>Kc.

3) The reaction must:

B. run in the reverse direction to restablish equilibrium, since ammonia was withdrawn and should be regenerated to reach the equilibrium.

4) The concentration of N2 will:

B. decrease, since less reactant is forming the products.

Best regards.

8 0
3 years ago
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Which of Graphs 1 correctly represents the relationship between the pressure and Kelvin temperature of a gas?
aliya0001 [1]

Answer:

B

Explanation:

Pressure is directly proportional to temperature

6 0
2 years ago
For each property listed, identify the type of element it describes.
Juliette [100K]

Answer:

1.Very good electrical conductivity :<u> Metals</u> (Decreacing order of conductivity)

  • <em>Silver > Copper > Gold > aluminium</em>

2. Amphoteric <u>: Metal elements</u>

  • <em>Beryllium , Aluminium , Zinc </em>,

3.Gaseous at room temperature: mostly <u>Nobel gases elements</u> and some non - metal elements.

  • <em>Helium ,neon , argon , krypton , fluorine , Oxygen , nitrogen</em>

4.Solid at room temperature:<u> Mostly Metals</u> (few non-metals, metalloid elements)

  • <em>Metals (Sodium  , potassium , calcium , gold are solid)</em>

<em>Non- metals(Carbon ,Boron )</em>

<em>Metalloids(antimony)</em>

<em>5.</em> Brittle <em>: </em><u>non - metals </u>(can't be rolled into wires)

<em>Hydrogen , carbon , sulfur , phosphorus</em><u> </u>

Explanation:

6 0
2 years ago
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