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3 years ago

What is the difference between a hydrogen ion and a hydroxide ion?

Chemistry

1 answer:

Sophie [7]3 years ago

5 0

Answer:

there is some difference

Explanation:

hydrogen ion --

symbol-H

Charge- 1+ or 1-

it is atom

hydroxide ion --

symbol- OH

charge-. -1

contains.- one oxygen atom and one hydrogen atom.

they are bonded.

it is a molecule

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What volume of a 1.50 m hcl solution should you use to prepare 2.00 l of a 0.100 m hcl solution?

katen-ka-za [31]

(2.00 L) x (0.100 M HCl) / (1.50 M HCl) = 0.133 L

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3 years ago

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What is connecting wire in science

vekshin1

Answer:

Connecting wires provide a medium to an electrical current so that they can travel from one point on a circuit to another. ... In a basic circuit, the wire comes from one terminal of a power source, then connects to a switch that determines whether the circuit is open or closed.

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2 years ago

Atom 1 has 6 electrons. It gains 2 more electrons from atom 2 which has 5 electrons. Who will be in charge of Atom 1 and Atom 2?

avanturin [10]

Answer:

Atom 1 after gaing 2 electrons have -2 charge

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2 years ago

A,B and C have the following solubilities in 100 mL of water at 25°C, respectively: 15g, 35 g and 65 g. If 75 g of each are adde

Pani-rosa [81]

Answer:

Only C can dissolve in water because its solubility is greater than 0.375 g/mL

C dissolves completely

22.5 g of A remain undissolved in 100 mL of water

2.5 g of B remain undissolved in 100 mL of water

Explanation:

Solubility : The amount of salt that can be dissolved in a given volume of solvent at a particular temperature .

$Solubility = \frac{mass}{volume}$

For each salt the solubility of 75 g in 200 mL water is

$Solubility = \frac{75}{200}$

0.375 g/mL

This mean 1 ml of water has 0.375 g of A , B and C

100 mL of water contain = 37.5 g of each salt A , B,C

In the question , the solubility of A , B and C in 100 are given as :

A = 15 g : It means maximum 15 g of A can dissolve in 100 mL

$Solubility = \frac{15}{100}$ = 0.15 g/mL

B = 35 g : It means maximum 35 g of B can dissolve in 100 mL

$Solubility = \frac{35}{100}$ = 0.35 g/mL

C = 65 g : It means maximum 65 g of A can dissolve in 100 mL

$Solubility = \frac{65}{100}$ = 0.65 g/mL

Since ,Solubility of A and B is less than 0.375 g/mL

So A and B can't dissolve in water at 25°C

A is excess by 37.5 - 15 = 22.5 g

B is in excess by 37.5 - 35 = 2.5 g

Hence 22.5 g of A remain undissolved

Hence 2.5 g of B remain undissolved

Only C can dissolve in water because its solubility is greater than 0.375 g/mL

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3 years ago

If the coefficient 2 is placed in front of the product tetraiodine nonaoxide (I4O9), then, how many atoms of each element must b

Burka [1]

To make sure that an equation is balanced, we need to have the same number of atoms on both sides. If we had only 2(I₄O₉) on one side, then the other side would need to have 8 iodine atoms and 18 oxygen atoms to obey the law of conservation of mass. This can be found by multiplying the coefficient to the subscript followed by the element symbol.

Your correct answer is 8 iodine atoms and 18 oxygen atoms.

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