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Lady_Fox [76]
2 years ago
7

2)a dish contains a blackish-yellow powder.when a magnet is moved over it black particles iron get stuck to the magnet and only

yellow powder which is sulphur is left behind. was your original powder an element compound or mixture
Chemistry
1 answer:
Andrei [34K]2 years ago
6 0
A element mixture (key word: mixture) due to the mixture containing 2 different types of elements it can be said that it’s highly likely that the mixture was not a compound but instead of a mixture due to mixture meaning more than 1 material. Hopes this help!
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Answer:

p1/T1=p2/T2

760mmHg/212°F=731mmHg/T2

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760mmHg/100°C=731mmHg/T2

T2= 96.18°C

Explanation:

You'd have to choose in which units you want to express the temperature.

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3 years ago
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3 years ago
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3 years ago
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Calcium and bromine have formed a bond. Leading up to this, calcium gave up electrons. It was a(n) ____.
Ugo [173]

<u><em>Answer:</em></u>

It was a positive ion.

<u><em>Explanation</em></u>

In CaBr, ionic bond is present. When one of the atom loses electrons and gets positive charges and other atom gains electrons and become negative. As a result of positive and nagative charges , a ionic bond formed.

As in this case, Ca loses electrons and become positive ion while on the other hand bromide gets the electrons and become negative ion.

<em>Note:</em>

Electropositive atoms always loose electrons Like Ca while electronegative atoms always gain elelctrons like Br.

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