3 years ago

Which object reflects light with with the longest wave

1 answer:

8 0

The Yellow Book. The yellow book is the object that reflects light with the longest wavelength. In the visible spectrum the color with the shortest wavelength is violet while the longest is red

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In a chemical interaction 10 g of hydrogen chloride is added to 20 g of zinc to form 24 g of zinc chloride and a certain amount

marin [14]

The Answer would be...

A. 6g

I hope this is right!

6 0

3 years ago

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18. Use the activity series to predict whether the following synthesis reaction will occur. Write the chemical equations for the

MAXImum [283]

Answer: The chemical reaction for the synthesis reaction is given below.

Explanation:

Synthesis reaction is defined as a chemical reaction in which two small chemical substances combine together to form a single compound. The general equation for this chemical reaction follows:

$A+B\rightarrow AB$

For the reaction of calcium and oxygen combining together to form calcium oxide, the equation follows:

$2Ca(s)+O_2(g)\rightarrow 2CaO(s)$

By Stoichiometry,

2 moles of calcium element combines together with 1 mole of oxygen gas to produce 2 moles of calcium oxide.

Hence, the chemical equation for the reaction is given above.

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2 years ago

Why sodium chloride is a poor conductor of electricity in solid state?

aev [14]

Answer:

Because the electrons in this ionic compound arent free to move and so cannot carry charge. For an iconic compound to conduct electricity it must be a liquid, either in a molten form or dissolved in water.

Explanation:

Is this clear?

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2 years ago

Which of the following is a molecular compound? F) NO2 G) Ca(NO3)2 H) H2SO4 J) NaOH

stiks02 [169]

Answer: H

Explanation:

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3 years ago

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Which of the following is a monatomic anion? a) NH4+ b) Fr+ c) SO42– d) F-