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3 years ago

Metals react by losing valence electrons. Which of the alkali metals loses its valence electrons most easily? Explain.

Chemistry

1 answer:

vodka [1.7K]3 years ago

3 0

Answer:

lol you have an aot profile pic

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PLEASEE ANSWERRR FASTTT

IceJOKER [234]

Answer:

last one

Explanation:

The elements classified as metalloids are boron, silicon, germanium, arsenic, antimony, tellurium, and polonium.

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4 years ago

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The equilibrium constant, Kc, for the following reaction is 0.967 at 650 K. 2NH3(g) N2(g) 3H2(g) When a sufficiently large sampl

AlekseyPX

Answer: Concentration of $NH_3$ in the equilibrium mixture is 0.31 M

Explanation:

Equilibrium concentration of $H_2$ = 0.729 M

The given balanced equilibrium reaction is,

$2NH_3(g)\rightleftharpoons N_2(g)+3H_2(g)$

Initial conc. x 0 0

At eqm. conc. (x-2y) M (y) M (3y) M

The expression for equilibrium constant for this reaction will be:

3y = 0.729 M

y = 0.243 M

$K_c=\frac{[y]\times [3y]^3}{[x-2y]^2}$

Now put all the given values in this expression, we get :

$K_c=\frac{0.243\times (0.729)^3}{(x-2\times 0.243)^2}$

$0.967=\frac{0.243\times (0.729)^3}{(x-2\times 0.243)^2}$

$x=0.80$

concentration of $NH_3$ in the equilibrium mixture = $0.80-2\times 0.243=0.31$

Thus concentration of $NH_3$ in the equilibrium mixture is 0.31 M

3 0

3 years ago

What is newly formed land consisting of and arc shaped island chain called?

sweet [91]

A volcanic arc is a chain of volcanoes formed above a subducting plate, positioned in an arc shape as seen from above. Offshore volcanoes form islands, resulting in a volcanic island arc.

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4 years ago

In an inverse relationship, when one variable increases, the other____

Harrizon [31]

Answer: D

Explanation:

In an inverse relationship as one increases one decreases or vice versa.

7 0

3 years ago

CAN SOMEONE PLEASE CHECK MY ANSER PLASE

Leokris [45]

1.True
2.False
3.B
4.A
5.True

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3 years ago

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