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3 years ago

Nahco3+hc2h3o2=nac2h3o2+h2co3

Chemistry

2 answers:

fgiga [73]3 years ago

7 0

The equation NaHco3+hc2h3o2=nac2h3o2+h2co3 is already balanced.

Reaction information:

Nahcolite + Acetic Acid = Sodium Acetate + Carbonic Acid

Reactants:

Nahcolite - NaHCO3 :

Molar Mass, Oxidation State

Acetic Acid - HC2H3O2

Molar Mass, Oxidation State, Ethanoic Acid, Methanecarboxylic Acid, Ch3-Cooh, Acetic Acid; Glacial, etc

(NaHCO3 + HC2H3O2 = NaC2H3O2 + H2CO3)

ludmilkaskok [199]3 years ago

7 0

Yea nachos or whatevs

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The equilibrium constant, Kp, for the following reaction is 0.497 at 500K.PCl5(g) PCl3(g) + Cl2(g)If an equilibrium mixture of t

Anestetic [448]

<u>Answer:</u> The equilibrium partial pressure of chlorine gas is 0.360 atm

<u>Explanation:</u>

For the given chemical equation:

$PCl_5(g)\rightleftharpoons PCl_3(g)+Cl2(g)$

The expression of $K_p$ for above reaction follows:

$K_p=\frac{p_{Cl_2}\times p_{PCl_3}}{p_{PCl_5}}$

We are given:

$K_p=0.497\\p_{PCl_3}=0.651atm\\p_{PCl_5}=0.471atm$

Putting values in above equation, we get:

$0.497=\frac{p_{Cl_2}\times 0.651}{0.471}\\\\p_{Cl_2}=0.360atm$

Hence, the equilibrium partial pressure of chlorine gas is 0.360 atm

5 0

3 years ago

The The thermal conductivity of a sheet of rigid, extruded insulation is reported to be k=0.029 W/ m measured temperature differ

vfiekz [6]

Answer:

Heat flux = 13.92 W/m2

Rate of heat transfer throug the 3m x 3m sheet = 125.28 W

The thermal resistance of the 3x3m sheet is 0.0958 K/W

Explanation:

The rate of heat transfer through a 3m x 3m sheet of insulation can be calculated as:

$q=-k*A*\frac{\Delta T}{\Delta X}\\\\q=-0.029\frac{W}{m*K}*(3m*3m)*\frac{12K}{0.025m} =125.28W$

The heat flux can be defined as the amount of heat flow by unit of area.

Using the previous calculation, we can estimate the heat flux:

$heat \, flux=\frac{q}{A}=\frac{125.28 W}{9 m^{2} } =13.92 W/m^{2}$

It can also be calculated as:

$q/A=-k*\frac{\Delta T}{\Delta X}$

The thermal resistance can be expressed as

$\Delta T=R_t*Q\\R_t=\Delta T/Q=\frac{\Delta X}{k*A}$

For the 3m x 3m sheet, the thermal resistance is

$R_t = \frac{\Delta X}{k*A}=\frac{0.025m}{0.029W/mK*9m^{2}}=0.0958 \, K/W$

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3 years ago

Energy is transferred

Andrei [34K]

True is the right oneee

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2 years ago

Which of the following statements is true? Radiation is the transfer of heat between objects which are not touching. An insulato

Licemer1 [7]

Answer:

Radiation is the transfer of heat between objects which are not touching. I think

Explanation:

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1 year ago

3. Identify the oxidizing agent in each of the fol-

Oxana [17]

Answer:

Explanation:

Oxidizing agents:

Oxidizing agents oxidize the other elements and itself gets reduced.

Reducing agents:

Reducing agents reduced the other element are it self gets oxidized.

Oxidation:

Oxidation involve the removal of electrons and oxidation state of atom of an element is increased.

Reduction:

Reduction involve the gain of electron and oxidation number is decreased.

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Copper is oxidizing agent it accept two electrons from magnesium and oxidize the Mg and itself get reduced.

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In this reaction iron is oxidizing agent because iron itself reduced from +3 to 0.

5 0

3 years ago