Answer Posted / al jaber

In any chemical reaction to collect gas using water in beakers and testtubes.The gas from the reaction travels along the delivery tube the gas bubbles through the water and will rise into the water the gas then pushes the water until the test tube is full of gas this pushing of water called downward displacement of water

what is induction on electrical insulators

2361

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The use of vermilion on rubric of the Tartar Relation is confirmed by the presence of three lines attributed to HgS. Why should this diatomic have more than one vibrational line?

2715

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What is the brigg's raucher reaction?

2385

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4 Identify the substance oxidized, reduced, oxidizing agent and reducing agent for the following reactions

2535

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what kind of question can be asked in interview for UV- VISIBLE & give me answer ?

3887

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what are UV rays absorbs slightly?

2233

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what does 50 denote in dowex 50 ????

2614

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What can be the supporter of combustion except oxygen.

2861

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How to accelerate electron capture decay?

2416

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why athanol-water mixtuere have maximum viscocity in wt% 40?

1775

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The rate constant for the second order reaction is 0.54/M.s at 300oC. How long (in sec) would it take for the concentration of NO2 to decrease from 0.62M to 0.28 M? 2NO2(g) 2 NO(g) + O2(g)

2643

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. Given that 2Hg2+ (aq) + 2 e- Hg22+(aq) E0 =0.92V Hg22+ (aq) + 2 e- 2Hg(l) E0 =0.85V Calculate standard free energy change and K for the following process at 25oC Hg22+(aq) Hg2+ (aq) + Hg(l)

6702

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In testing of Cement the formula for water requirement for setting time is as below- Water required for setting time = NC x 0.85 The question is that what is the logic of 0.85 in this formula??

2485

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WHAT IS THE SYLLABUS OO GROUP -I?

2425

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Normally entropy is expressed as q/T. But, work and heat have same unit. Why can't it be replaced by work?

2307

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