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spin [16.1K]
3 years ago
14

' A compound has the same properties as the elements it is made from.' True or false.Why?

Chemistry
1 answer:
Vladimir [108]3 years ago
8 0

Answer:

False

Explanation:

That's because elements in a compound combine and become an entirely different substance with its own unique properties.

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This reaction was at equilibrium when 0.2 atm of iodine gas was pumped into the container, what happened to the equilibrium and
n200080 [17]

Answer:

Q was < K. Partial pressure of hydrogen decreased, iodine increased

Explanation:

<em>After iodine was added the Q was [Select] K so the reaction shifted toward the Products [Select] ,The partial pressure of hydrogen [Select], Iodine [Select] |,and hydrogen iodide Decreased</em>

Based on the equilibrium:

H2(g) + I2(g) ⇄ 2HI(g)

K of equilibrium is:

K = [HI]² / [H2] [I2]

<em>Where [] are concentrations at equilibrium</em>

And Q is:

Q = [HI]² / [H2] [I2]

<em>Where [] are actual concentrations of the reactants.</em>

<em />

When the reaction is in equilibrium, K=Q.

But as [I2] is increased, Q decreases and Q was < K

The only concentration that increases is [I2], doing partial pressure of hydrogen decreased, iodine increased

7 0
3 years ago
Which of the following is a metal?
kogti [31]

Answer:

A.................. I think the answer

3 0
3 years ago
Give four examples of properties of nonmetals that are exactly the opposite of the properties of metals
Ugo [173]
The properties of nonmetals- nonductile(cannot be turned into wire), dull color, high solubility, poor conductors, brittle(difficult to break) and have a wide range of colors. Compared to the properties of a metal- polished color, conducters of heat and electricity, cannot be dissolved, malleable(can bend). Would you like me to use certain elements to show this? 
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What happens to the number of outermost electrons as you move across a period?
Reika [66]
C The number of outermost electrons increases.
6 0
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Please please help please
ivann1987 [24]

answer: A and C

Explanation:

i think its that because all you have to do is just think about it very slowey in it will just come to your head.

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