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3 years ago

Which of the following is a binary compound? A. NH4+ B. H2SO4 C. 02 D. Cao

Chemistry

2 answers:

AfilCa [17]3 years ago

8 0

Answer:

B)H2SO4

Explanation:

Pentru Că așa vrea soarta

Kisachek [45]3 years ago

6 0

Answer:it’s D

Explanation:

Ca0 is the correct answer

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How many moles of mercury(Hg) are in 1.30 *10.7 atoms or mercury

Svetach [21]

1 mole Hg --------------- 6.02x10²³ atoms
?? moles Hg ------------ 1.30x10⁷ atoms

(1.30x10⁷) x 1 / 6.02x10²³ => 2.159x10⁻¹⁷ moles

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3 years ago

Some species of hares are brown most of the year, but change color to white in the winter. This allows them to blend in

muminat

Answer:

Deciduous forests

Explanation:

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A car is moving with the velocity of 20m/s. After 5 seconds it's velocity becomes 50m/s. Find its acceleration.

irinina [24]

Answer:

6 m/s^2

Explanation:

a= (v2 - v1)/t

= (50-20)/5

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3 years ago

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SVETLANKA909090 [29]

Answer:

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2 years ago

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Consider the following mechanism.

solong [7]

Answer :

(a) The overall equation is:

$ClO^-(aq)+I^-(aq)\rightarrow Cl^-(aq)+IO^-(aq)$

(b) The intermediates are :

$OH^-(aq),HClO(aq)\text{ and }HIO(aq)$

Explanation :

(1) $ClO^-(aq)+H_2O(l)\rightarrow HClO(aq)+OH^-(aq)$ (fast)

(2) $I^-(aq)+HClO(aq)\rightarrow HIO(aq)+Cl^-(aq)$ (slow)

(3) $OH^-(aq)+HIO(aq)\rightarrow H_2O(l)+IO^-(aq)$ (fast)

By adding the three equations and cancelling the common terms on both side, we will get the overall equation.

$ClO^-(aq)+I^-(aq)\rightarrow Cl^-(aq)+IO^-(aq)$

Intermediates are generated and consumed in the mechanism and do not include in the overall equation.

Since, intermediates will not include in the overall mechanism.

The intermediates are :

$OH^-(aq),HClO(aq)\text{ and }HIO(aq)$

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3 years ago