Recent content by siddharth23

I am going to be working on some calculations for an air surge tank to minimize fluctuations downstream of the tank in an engin'e intake syste, Any suggestions/sources where I could study for this? Thank you!

It says to calculate the enthalpy of isooctane at 500 K on a kJ/kmol basis

I have to calculate the enthalpy of isooctane at 500 K. Isooctane is a liquid at room temperature and whenever enthalpy is to be calculated, it is from the standard state (278 K temperataure, 1 atm pressure). Do I calculate enthalpy upto boiling point, then use latent heat of vaporization and...

You're on the right track. Just answer these questions: 1) Why will the bulbs in series be dimmer than those in parallel? 2) Across every bulb, there is potential drop from +ve to -ve. But the potential difference across the entire series line will be the same. So why will the current flowing...

Well I'd say that 368 ppm by volume will mean 368 m3 in 1000000 m3. Now that you know the volumes, use the density to find out the amount of CO2 by weight in air. (density = mass / volume)

I didn't go through the entire calculation. But it says 368 ppm by volume, for which you've taken 368 g/m3. But 'g' is a unit of mass. Check that part.

Yes, iodide is the best leaving group. But the solvent can make the difference. For example, the Kharasch addition in the presence of H2O2 breaks the Markonikov's rule. I'm sorry I don't have the details of this reaction, but will check into it.

http://en.wikipedia.org/wiki/Coulomb%27s_law Read this. For there to be attraction or repulsion between two charged bodies, the basic requirement is that the bodies have a CHARGE. So what do you think will happen in case of the neutrally charged wall?

Ok mate! Thanks a lot :smile:

Thanks! I read this one Only thing is, do I just take the pitch in per inch or do I use Imperial units for the entire formula?

Hey guys. Could anyone give me an what the criteria for minimum engagement length of a bolt is? The bolt I'm using is M10x1. Thanks!

Try reading up on resolution of vectors. http://www.physicsclassroom.com/class/vectors/Lesson-1/Vector-Resolution Basically, any vector can be resolved into two components whose addition give the original vector.

Glad to help :)

I think you are making a mistake while calculating the mass of ammonia. The solution contains 28% by mass of ammonia. 35.5 x .88 will give you the mass of the solution, not NH3. Multiply that further by 0.28 to get the grams of ammonia. Then retry solving the problem.

You need to resolve the velocity vector into two vectors! One towards the wall (perpendicular to the wall) and one parallel to the wall. You'll need to know the angle of velocity for that. How can you do that?