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Zinaida [17]
3 years ago
6

Which pair of elements are the most similar? A. Ca and F B. Na and Cl C. Ne and Ar D. K and Ca

Chemistry
1 answer:
Vinil7 [7]3 years ago
8 0

Answer:

c

Explanation:

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Which compound contains a double bond?
just olya [345]
The answer would be ethane (C2H4)
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3 years ago
A gas at constant temperature has a pressure of 404.6 kPa with a volume of 12 ml. If the volume changes to 43ml, what is the new
blagie [28]

Answer:

The answer is

<h2>112.912 kPa</h2>

Explanation:

The new pressure can be found by using the formula for Boyle's law which is

P_1V_1 = P_2V_2

Since we are finding the new pressure

P_2 =  \frac{P_1V_1}{V_2}  \\

404.6 kPa = 404600 Pa

From the question we have

P_2 =  \frac{404600 \times 12}{43}  =  \frac{4855200}{43}  \\  = 112911.6279... \\  = 112912

We have the final answer as

<h3>112.912 kPa</h3>

Hope this helps you

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3 years ago
5. True or False: If one thing in a food web is affected, it will only probably affect the organism that directly relies on it f
34kurt
A because if something happened to that organism then the organism relying on it will either go extinct or just die out due to starvation
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3 years ago
Planning for the possibility that the plumbing in your house needs repair is part of a plan for _____.
Vera_Pavlovna [14]

Answer:

planning for the possibility that the pluming in your house needs repair is part of <u><em>managing liquidity</em></u>

Explanation:

100 on edginuity

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Read 2 more answers
When writing a formula for a compound having a transition metal in it, _____.
DanielleElmas [232]

Answer:

The correct option is;

It is always necessary to include a Roman numeral after the symbol of the metal

Explanation:

The transition metals can form ionic compounds with other elements by giving different number of electrons such that the transition metals can combine to form compounds in which they have different oxidation states

Therefore, in a compound formed by a transition metal, the value of the transition metal's valency or oxidation state in the compound is indicated by the inclusion of an equivalent Roman numeral after the transition metal in the name of the chemical formula of the compound

3 0
3 years ago
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