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CBSE Class 11-science Answered

The passage of electric current through silver nitrate and a metal sulphate deposited 4.04 g of Silver and 1.19 g of metal. If the specific heat of metal is 0.095, calculate the atomics mass of metal.
Asked by suryansudash5 | 20 Nov, 2015, 06:41: PM
answered-by-expert Expert Answer
begin mathsize 11px style straight w subscript 1 over straight w subscript 2 space equals space straight E subscript 1 over straight E subscript 2 fraction numerator 4.04 over denominator 1.19 end fraction space equals space fraction numerator 108 over denominator Eq. space wt end fraction bold Eq bold. bold wt space equals space fraction numerator 108 space cross times space 1.19 over denominator 4.04 end fraction space equals space 31.81 Atomic space mass space cross times space Specific space heat space equals space 6.4 space left parenthesis approx right parenthesis bold Atomic bold space bold mass space equals space fraction numerator 6.4 over denominator 0.095 end fraction space equals space 67.37 space left parenthesis approx right parenthesis bold Valency space equals space fraction numerator Approx space atomic space wt over denominator Eq. wt end fraction space equals space fraction numerator 67.37 over denominator 31.81 end fraction space equals space 2.11 space almost equal to space 2 bold Exact bold space bold wt bold space equals space Eq. space wt space cross times Valency space equals space 31.81 space cross times space 2 space equals space 63.62 end style
Answered by Arvind Diwale | 23 Nov, 2015, 05:16: PM

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CBSE 11-science - Chemistry
1.0 mole of nitrogen and 3.0 moles of PCl 5 are placed in 100 L vessel heated to 227 o C. The equilibrium pressure is 2.05 atm. Assuming ideal behaviour, calculate the degree of dissociation for PCl 5 and K p for the reaction, PCl 5 (g)⇌PCl 3 (g)+Cl 2 (g).
Asked by vishalrolaniya2005 | 20 Sep, 2023, 08:58: PM
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CBSE 11-science - Chemistry
if rms velocity nitrogen molecule is 5.15ms at 298K then a velocity of 10.30 ms will be prossesed at a temperature
Asked by khansuhana410 | 22 Dec, 2022, 11:48: AM
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CBSE 11-science - Chemistry
The volume of SO2 gas (in l.mol 1) at 0◦C and 1 atmospheric pressure-760mm of Hg is equal to 22.4. Estimate the value of volume of the gas at 20◦C and 1 atmospheric pressure. Use Avogadro’s law of gas.
Asked by amanpatel95698 | 02 Mar, 2022, 12:09: AM
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CBSE 11-science - Chemistry
why when temperature is increased volume is also increased
Asked by neerudhawanbpsmv | 28 Jun, 2021, 09:22: AM
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CBSE 11-science - Chemistry
an ideal gas mixture contains 4 milimoles of H2 for every mili mole of Ne .The partial pressure of Ne is ?
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Asked by pushpakumari291279 | 31 Dec, 2020, 02:02: PM
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CBSE 11-science - Chemistry
696v7v
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Asked by aryanvankar88 | 11 Oct, 2020, 10:07: PM
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CBSE 11-science - Chemistry
matter explain
Asked by nk581346 | 07 Sep, 2020, 11:08: AM
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CBSE 11-science - Chemistry
can you give me important question on the topic : states of matter
Asked by swatipuspapatel | 10 Jun, 2020, 06:19: PM
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CBSE 11-science - Chemistry
URGENT! Dear experts, Pls explain the question with proper solution. Thank you.
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Asked by pratikshyadashrkl | 12 Apr, 2020, 06:47: PM
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CBSE 11-science - Chemistry
What is a pressure in stp ? What we choose in sum1 atm or 1 bar at stp ?  
Asked by devanshuchhipani | 12 Mar, 2020, 08:42: PM
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