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olchik [2.2K]
3 years ago
13

In the gas egquation PV=RT, V stands for volume of

Chemistry
1 answer:
Wittaler [7]3 years ago
7 0

Ans: B . 1 mole of gas

Explanation:

...

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Your observation and assessment data should help you _______ your curriculum A. change B. modify and individualize C. evaluate t
joja [24]
Hello,
I believe the answer is C. A and B say that it would help to change it but when we think about it data and opinions are not what people use to change a curriculum or program. Mainly they use surveys, which they didn't use here. Option D doesn't make any sense, data doesn't complement a program it supports some sort of theory which leads us to C. C is the only option where they use the data for effectiveness. Hope this helps!
4 0
2 years ago
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Explain why solid sodium chloride does not conduct electricity
aleksandr82 [10.1K]

Answer:

It does not contain free mobile ions

Explanation:

Solid sodium chloride does not conduct electricity because it does not contain free mobile ions.

  • Although sodium chloride is an ionic compound, in solid state, there is absence of free mobile ions.
  • In aqueous solutions or in molten form, ionic compounds can conduct an electric current using free mobile ions as carriers.
  • Therefore, they are electrolytes.

In solid state ions are arranged into crystal lattice and will not conduct a current of electricity.

8 0
2 years ago
Calculate the number of molecules in 100. g of O2 *
Sindrei [870]
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See picture for explanation
6 0
3 years ago
Calculate the molecular mass or formula mass in any of CH4 NO2 SO3 C6H6 Nal
Zielflug [23.3K]

Answer:

Ch4 Is an ion so the molecule yes 5

Explanation:

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5 0
3 years ago
calculate the enthalpy change for converting 1.00 mol of liquid water at 100 C to water vapor at 145 degree celsius for water Δ
Svetllana [295]

Answer:

q1 = mCpΔT

    = 18.016g × 1.84J/g.K × (418.15-373.15)

     = 1491.72 J

q2 = n×ΔH vap

     =  1mol ×44.0kJ/mol

     = 44KJ

∴ qtotal = q1+ q2

             = 1.498kJ + 44.0kJ

             = 45.498KJ

Explanation: The heat flow can be separated into steps.all that is being observed at a constant pressure,the heat flow is equal to the enthalpy.

8 0
3 years ago
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