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vitfil [10]
3 years ago
5

A scientist studying stars can estimate the temperatures of stars by their?

Chemistry
1 answer:
Alex787 [66]3 years ago
6 0
That answer is 2.Color
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Write .. hot copper metal reacts with chlorine gas to form solid green copper chloride
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Answer:

Cu + Cl2 → CuCl

To happen the reaction, copper metal is heated.

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3 years ago
What is the volume of 15.0 grams of H2S at STP
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1 mole of any gas under STP has volume 22.4 L.
Molar mass M(H2S) = 2M(H) + M(S)= 2*1.0 +32.1=34.1 g/mol
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<span> The volume of 15.0 grams of H2S at STP is 9.85 L.</span>

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3 years ago
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Magnesium bromide reacts with chlorine to form magnesium chloride and bromine. Balance the equation
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<span>No need to balance the equation... it's already balanced

MgBr2 + Cl2 -> MgCl2 + Br2 </span>
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4 years ago
What can you do in your daily life to conserve energy?
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Which trends appear as the elements in Period 3 are considered from left to right?
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the answer to your question is Metallic character increases, and electronegativity decreases.

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