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Rama09 [41]
3 years ago
7

Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed leave it blank. If no reaction occurs leav

e all boxes blank and click on "Submit". Write a net ionic equation for the reaction that occurs when aqueous solutions of hydrochloric acid and potassium hydroxide are combined. (Use H+ instead of H3O+.)
Chemistry
1 answer:
babunello [35]3 years ago
5 0

Answer:

H+  +  OH−  --> H2O

Explanation:

Hydrochloric acid is represented by the chemical formular; HCl. This is an ionic substance so in water it breaks apart into hydrohrn ions; H+ and chloride ions; Cl−. It is a strong acid, hence it completely dissociates.

Potassium Hydroxide is also an ionic substance it also breaks apart in water into potassium ions; K+ and hydroxide ions; OH−. It is a strong base, hence it completely dissociates.

The complete ionic equation for the reaction is given as;

H+  +  Cl−  +  K+  +  OH−  -->  K+  +  Cl−  +  H2O

The Hydrogen ion and the Hydroxide ions combine to form water.

The net ionic equation is given as;

H+  +  OH−  --> H2O

Cl- and K+ ions were cancelled out because they do not undergo any changes therefore are not part of the net ionic equation. They are referred to as spectator ions.

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What do mass and weight have in common?
malfutka [58]

Answer:

Mass is a measure of how much matter an object contains, while weight is a measure of the force of gravity on the object. An object has the same composition, and therefore mass, regardless of its location.

Explanation:

4 0
4 years ago
Read 2 more answers
A molecule contains five atoms and has a molecular weight of 85 g per mole. the atoms are of elements with atomic numbers 1, 6,
inessss [21]

Answer:

            Dichloromethane

Explanation:

As we know the atomic number given belongs to following elements, i.e.

Atomic #                   Element                      M.Mass

   1                           Hydrogen                    1 g.mol⁻¹

   6                          Carbon                        12 g.mol⁻¹

   17                         Chlorine                      35.5 g.mol⁻¹

Also the molecular formula of Dichloromethane is,

                           =  CH₂Cl₂

Putting molar masses of each element,

                          =  (12)₁  +  (1)₂  +  (35.5)₂

                          =  12  +  2  +  71

                          =  85 g.mol⁺¹

Result:

         Hence the only possible structure containing 5 atoms is Dichloromethane.

6 0
4 years ago
Which element forms more compounds than all the other elements combined?
katen-ka-za [31]
The Element that form more compounds than all the rest is Carbon.

Elements of Carbon
<span>A molecule of the compound carbon dioxide contains one atom of the element carbon and two atoms of the element oxygen. Each oxygen atom shares a double bond with the carbon atom. Carbon is the sixth element in the periodic table and occurs in pure form as coal and diamonds.

Hopefully I helped ^.^ Mark brainly if possible~
</span>
5 0
4 years ago
Nucleic acids are hydrocarbons that also contain which other element?
Maurinko [17]
Nucleic acids are hydrocarbons that also contain nitrogen, phosphorus and oxygen elements. 
Hydrocarbons are long chains of carbon that have additional bonds exclusively with hydrogen atoms. They are hydrophobic, or not soluble in water. Nucleic acids are macromolecules that are made of units called nucleotides, they are mainly in two forms; the RNA and and the DNA. Both the RNA and DNA have a pentose sugar, a phosphate, and a nitrogen containing base. 
5 0
3 years ago
What is the reducing agent in the following reaction
nika2105 [10]

Answer: Fe^{2+} is the reducing agent

Explanation:

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Reduction reaction : when there is a decrease in oxidation state number.

5Fe^{2+}(aq)+MnO_4^-(aq)+8H^+(aq)\rightarrow 5Fe^{3+}(aq)+Mn^{2+}(aq)&#10;+4H_2O(l)

Fe has undergone oxidation, as its oxidation state is changing from+2 to +3.

Mn has undergone reduction, as its oxidation state is changing from +7 to +2.

The chemical agent which itself get oxidized and reduce others is called reducing agent.  Fe^{2+}  is a reducing agent.

The chemical agent which itself get reduced and oxidize others is called oxidizing agent. MnO_4^- is an oxidizing agent.

.

6 0
3 years ago
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