Assignments, Chemistry

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I have 4 assignments for unit 22 chemistry btec level. Are you able to do my assignments by friday?

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Convex lens, what is the graph between magnification and image distance for...

what is the graph between magnification and image distance for a convex lens..and how can we find the focal length for the lens using the graph?   Ans) The distance between the len

Transition elements, Why transition elements form interstitial compound

Why transition elements form interstitial compound

Quantitative chemistry, A student wishes to prepare 250ml of a 0.20mol/L so...

A student wishes to prepare 250ml of a 0.20mol/L solution of oxalic acid (COOH)2.2H2O. a) Calculate the amount (no.of moles) of oxalic acid required. b) Calculate the mass of oxali

Balancing redox equations, Q. How to balance a redox equation? Ans. ...

Q. How to balance a redox equation? Ans. Redox equations may be written and balanced by the ionic half-reaction method. Let's use the half-reaction method to balance the f

The wall thickness can be minimized by insulation layer, The wall thickness...

The wall thickness can be minimized by insulation layer The wall thickness can be minimized by insulation layers. A typical wall having of a brick layer that has a thickness of

Thermochemistry and hess''s law, THERMOCHEMISTRY The enthalpy changes a...

THERMOCHEMISTRY The enthalpy changes associated with reaction are dependent upon the temperature. They are also dependent upon the amounts, and the pressure and states of the r

Removal of nitrogen in waste water, Question 1: a. Describe in details ...

Question 1: a. Describe in details the composting process. b. Odour is very often a big problem in composting facilities.  Describe some odour avoidance and odour treatment

What do you mean by rounding off numbers, Q. What do you mean by Rounding o...

Q. What do you mean by Rounding off numbers? Rounding off numbers while you report a calculation your answer should have no more significant figures than the piece of data yo

Atoms, how to find atomicity of an element

how to find atomicity of an element

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