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State the qualitative tests to distinguish between halide ions in solution.

To test for chloride ions, add silver nitrate and a white precipitate should form, then add dilute ammonia and it should re-dissolve. For bromide ions, add silver nitrate and a cream precipitate should form,...
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Answered by Ruggero B. • Chemistry tutor
7795 Views

“Los móviles son el futuro de las herramientas educacionales” Escribe un articulo de opinión expresando tu punto de vista.

Vivimos en una época de tecnología. Gracias a la tecnología podemos contactar a cualquier persona simplemente por haciendo algunos clics por una pantalla. ¿Puedes pensar en un tiempo en el que no usas tu móv...
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Answered by Rhian A. • Spanish tutor
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What is the density of a material if 4 cubic metres (m3 ) of it has a mass of 2,200 kg?

Density can be described as the amount of mass per unit volume. It describes how closely together different particles are spaced. It varies significantly from solids to liquids to gases.In terms of calculati...
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Answered by Jamie M. • Physics tutor
6260 Views

f(x)=2x^2 -8 What is the value of x if f(x)=0, x>0

This would be a typical B grade GCSE question. Firstly, let's set f(x) to 0 , where now we have 0=2x 2 -8 . We now need to rearrange to find x. First, move the -8 to the other side of the "=" sign,...
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Answered by Tutor122314 D. • Maths tutor
5795 Views

How do you scan a line of dactylic hexameter?

Take a line of dactylic hexameter in Latin, e.g. Thybris ea fluvium, quam longa est, nocte tumentem (Virg. Aen. 8.86)Begin by marking any elision in the line (where a word ending in a vowel or an ‘m’ is foll...
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Answered by Jonathan H. • Latin tutor
4385 Views