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Posted in Science Discussion Group

When a 0.998g sample of CuSO4.xH20 was heated strongly,so that the waters of hydration were given off,the mass of the anhydrous salt remaining was found to be 0.638 g.What is the experimental value of the percent water of hydration?
Posted in Art Discussion Group

I want to know more about arts
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Posted in Art Discussion Group

Why is dance not valued as much as the other causes in South Africa?
Posted in Computational and Applied Mathematics Discussion Group

Hi guys. I have a question, if someone could explain how to calculate this. The extinction of the dinousaurs is widely believed to be due to the impact of a very massive meteorite striking the sea, land or both. Consider a smaller meteorite of mass 4 million kg entering the atmosphere vertically at 15 km/s and impacting land in a vertical fashion. You are given that: 1 megaton of TNT is equivalent to 4.2 thousand million million joules 20 kilotons of TNT is the energy associated with the explosion of an atomic bomb The number of atomic bombs to which the meteorite impact would have been equivalent is approximately....
Posted in Business, Economics and Commercial Studies Discussion Group

4. Suppose you are the manager of a firm producing maize flour according to the cost function: C(Q) = 0.5 Q2 40. Further assume that the output market for maize flour is competitive and the market price of a kilogram of maize flour is N$24.00.na. How many kilograms of maize flour should you process to maximize profits? nb. What is your level of profits? nc. What is the minimum price at which you will produce output (shut-down point). nnI really need help with this question !!
Posted in Geography and Geology Discussion Group

What is the difference between colour and streak es properties of minerals?
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Posted in Music Discussion Group

Which plug must I use to master my songs
Posted in Geography and Geology Discussion Group

What are contour line
Posted in Statistics Discussion Group

What is the difference between mean, mode and median and how are they applied?
Posted in Maths Discussion Group

hy guys can someone help me by explaining the concept of parametrization.
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Posted in Languages Discussion Group

What is a noun?
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Posted in Maths Discussion Group

f(x)=sin(a-45°) and g(x)=cos2a..my quesn is dertime the value of a? end wrte down values of a ifg(a)>f(a),,a€[-180;180 ]
Posted in Maths Discussion Group

If a tree falls in the forest; and no one is there to hear it, do I still get ice-cream?
Posted in Business, Economics and Commercial Studies Discussion Group

Are you struggling with understanding Accounting/Statistics and doing assignments? l can help you to walk through without hustles.
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Posted in Languages Discussion Group

Why is language such an effective way of communication?
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