External link to PHYSICS-2Que&Ans1.how do you prove that friction produces heat energy? PHYSICS-2Que&Ans1.how do you prove that friction produces heat energy?2.why do sport`s man use spikes?3.How do you reduce

PHYSICS-2Que&Ans1.how do you prove that friction produces heat energy? PHYSICS-2Que&Ans1.how do you prove that friction produces heat energy?2.why do sport`s man use spikes?3.How do you reduce

PHYSICS-2Que&Ans1.how do you prove that friction produces heat energy?PHYSICS-2Que&Ans1.how do you prove that friction produces heat energy?2.why do sport`s man use spikes?3.How do you reduce efect of friction?4.write about fluied friction, how fluied friction can controles?5.Define how area of contact increases pressure?6.Explain any two kind of frictional forces?

External link to An electric train moves from rest with a uniform acceleration of 1.5 for the first 10s and continues accelerating at 0.5 for a further 20s. It continues at a constant speed for 90s and finally takes 3

An electric train moves from rest with a uniform acceleration of 1.5 for the first 10s and continues accelerating at 0.5 for a further 20s. It continues at a constant speed for 90s and finally takes 3

An electric train moves from rest with a uniform acceleration of 1.5 for the first 10s and continues accelerating at 0.5 for a further 20s. It continues at a constant speed for 90s and finally takes 30s to decelerate uniformly to rest.Using the equations of motion calculate the total distance travelled

External link to An airplane is flying through a thundercloud at a height of 15000 m. If there is charge concentrations of 60C at a height of 30000 m & 45Cat a height of 5000 m, what is the electric field experien

An airplane is flying through a thundercloud at a height of 15000 m. If there is charge concentrations of 60C at a height of 30000 m & 45Cat a height of 5000 m, what is the electric field experien

An airplane is flying through a thundercloud at a height of 15000 m. If there is charge concentrations of 60C at a height of 30000 m & 45Cat a height of 5000 m, what is the electric field experienced by the airplane?

External link to Calculate the activity of Fe in coexisting magnetite and hematite at 700°C, 1 atm (the relevant…

Calculate the activity of Fe in coexisting magnetite and hematite at 700°C, 1 atm (the relevant…

Calculate the activity of Fe in coexisting magnetite and hematite at 700°C, 1 atm (the relevant equation is shown in §14.7). Calculate  for the other iron-mineral pairs FeO – Fe3O4, FeO – Fe at the same T, P. This should be sufficient to demonstrate the use of   a redox indicator.

External link to Of course, our new indicator is limited to systems containing iron. But then, f is limited to…

Of course, our new indicator is limited to systems containing iron. But then, f is limited to…

Of course, our new indicator is limited to systems containing iron. But then, f is limited to systems containing oxygen (though not necessarily ). True? On the other hand,  can also be used as a sulfidation indicator. Calculate  in coexisting pyrite and pyrrhotite in which  is 0.9, at 500 K, 1 bar

External link to 1.Calculate K sp for anhydrite at 25°C (verifying the value given in the text), and at 300°C….

1.Calculate K sp for anhydrite at 25°C (verifying the value given in the text), and at 300°C….

1.Calculate Ksp for anhydrite at 25°C (verifying the value given in the text), and at 300°C.   2.Calculate the dissociation constant for NaCl(aq) at 25°C, 1 bar. Calculate this constant at 500°C, 1 and 2 kbar, obtaining the necessary values of e and Y from Tanger and Helgeson, (1988). A graph of –KNacl versus T  is shown by Sverjensky (1987)

External link to These problems can be done with a hand calculator, but it can be very frustrating. They are best…

These problems can be done with a hand calculator, but it can be very frustrating. They are best…

These problems can be done with a hand calculator, but it can be very frustrating. They are best done by writing small computer programs, partly because of the complexity and partly because some of the results are sensitive to round-off errors. If you have access to the program SUPCRT92, or some other program, you can do the HKF problems quite easily, but you will not […]

External link to 1. Fit these G EX values to equation (15.42). This is best done with a multiple linear regression…

1. Fit these G EX values to equation (15.42). This is best done with a multiple linear regression…

1. Fit these GEX values to equation (15.42). This is best done with a multiple linear regression program, using  and  as the independent variables. Comparing the fit coefficients with (15.42), calculate W and WG for CO2. Answers in Problem 3 at the end of Chapter 12.   2. . Show that WGC is the same as  as discussed in   1. Fit these GEX values to equation (15.42). […]

External link to 1.If for Pb 2+ (aq) is -5832 cal mol -1 , at what Eh is metallic lead in equilibrium with m Pb 2+…

1.If for Pb 2+ (aq) is -5832 cal mol -1 , at what Eh is metallic lead in equilibrium with m Pb 2+…

1.If for Pb2+ (aq) is -5832 cal mol-1, at what Eh is metallic lead in equilibrium  with    m Pb2+(aq)?   2.Water draining from abandoned coal mines causes considerable environmental damage because of its iron content and acidity. In an attempt to understand the chemistry of these waters, the following measurements were made in water in the Loree #2 shaft near Wilkes-Barre, PA. (Barnes et al., […]

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