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2 years ago

Write two solubility rules that are used in this lab

Chemistry

1 answer:

ehidna [41]2 years ago

7 0

Yhgffd nmmdk kaoHs I write in me language means lord have mercy

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State two differences between metals and non metals with respect to their

Naya [18.7K]

Answer:

Physical Properties

1. Metals are shiny but most non - metals lack this property.

2. Metals are able to deform under compression (malleable) but most non - metals lack this property.

Chemical Properties

1. Metals are good conductorsof heat and electricity but most non - metals are insulators.

2. Metals, when exposed to water atmospheric oxygen tend to rust but non - metals lack this chemical property

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3 years ago

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Liula [17]

A)1.75×3 moles of carbon monoxide

B)2:3

A)each mole of ferric oxide requires 3 moles of carbon monoxide. Therefore 1.75 moles requires 1.75 ×3 moles of carbon monoxide

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2 years ago

Which of the elements must be available in water for the metamorphosis of tadpoles?

Grace [21]

The element iodine (I) is important for the fast and hastened metamorphosis of frog-tadpoles. As amphibians, the tadpoles can live in water and land but when they are born they are iodine-deficient. Tadpoles that do not receive ample amount of iodine become tadpoles until the end of their days.

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3 years ago

What is litmus paper used for? To indicate if all the reactants have been used up to determine if a chemical reaction has occurr

rjkz [21]

The main use of litmus is to test whether a solution is acidic or basic. Blue litmus paper turns red under acidic conditions and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 °C (77 °F).

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3 years ago

Which of the following statements are true regarding the dissociation of Al(NO3)3? Select more than one

Gelneren [198K]

Answer:

There will be one Al3+ ion.

There will be 3 NO3- ions

Explanation:

Dissociation equation:

Al(NO₃)₃ → Al³⁺ + 3NO₃¹⁻

When aluminium nitrate dissociate it produces one silver ion (Al³⁺) and three (NO₃¹⁻) ions.

Properties of Al(NO₃)₃:

It is inorganic compound having molecular mass 169.87 g/mol.

It is white odor less compound.

Its density is 4.35 g/mL.

Its melting and boiling points are 120°C and 440°C.

It is soluble in water.

It is sued to treat infections.

It is used in the photographic films.

It s toxic and must be handled with great care.

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2 years ago