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There is a 1,000-fold decrease in H+ concentration when the pH increases by 3 units (pH 4 to pH 7). This is because the pH scale is logarithmic, so each unit change represents a 10-fold change in H+ concentration.

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1y ago

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Why is the bond angle in PH4 higher than PH3?

The bond angle in PH4 is higher than PH3 because PH4 has a tetrahedral molecular geometry with bond angles of about 109.5 degrees, while PH3 has a trigonal pyramidal molecular geometry with bond angles of about 107 degrees. This difference in bond angles is due to the presence of an additional hydrogen atom in PH4 compared to PH3.


What are the unit of air pressure?

chemistry and physics can tells you the aubometer of the ph2 and the ph4


What is the IUPAC name of ph4?

The IUPAC name of PH₄ is phosphonium. It is a quaternary ammonium compound where the phosphorus atom is bonded to four hydrogen atoms, and it carries a positive charge, making it a cation. In this structure, phosphorus exhibits a +1 oxidation state.


What condenser setting value do you want when you are using 100x objective lens?

When using a 100x objective lens, it is recommended to set the condenser to its highest position (also known as the "oil immersion" position). This helps increase the resolution and contrast of the image by optimizing the light entering the lens.


Is phosphorus a positive or a negative ion?

Phosphorus typically forms a negative ion, known as a phosphate ion (PO4^3-), when it gains electrons. However, in some compounds, phosphorus can also form positive ions, such as in phosphonium (PH4^+). The charge of the phosphorus ion depends on the context and the specific chemical reactions it undergoes. Generally, it is more common to encounter phosphorus in its anionic form in biological and environmental contexts.

Related Questions

What does ph4 mean?

pH4 refers to a specific level on the pH scale, which measures the acidity or alkalinity of a solution. A pH of 4 indicates that the solution is acidic, as it is below the neutral pH of 7. Common substances with a pH around 4 include vinegar and some fruit juices. This level of acidity can affect chemical reactions and biological processes in various contexts.


What is PH4?

PH4 could refer to phosphine, which is a chemical compound with the formula PH3. It is a colorless, flammable gas.


What is the oxidation number of PH4?

The oxidation number of PH4 cannot be determined because phosphorus (P) does not have a fixed oxidation number in this compound.


Why is the bond angle in PH4 higher than PH3?

The bond angle in PH4 is higher than PH3 because PH4 has a tetrahedral molecular geometry with bond angles of about 109.5 degrees, while PH3 has a trigonal pyramidal molecular geometry with bond angles of about 107 degrees. This difference in bond angles is due to the presence of an additional hydrogen atom in PH4 compared to PH3.


What is the molecular geometry of PH4 plus?

tetrahedron


What is the hybridization of PH4?

PH4 has sp3 hybridization. This means that the phosphorus atom forms four sigma bonds using one 3s orbital and three 3p orbitals.


How much stronger is pH 9 than ph4?

The strength of an acid or base is measured on a logarithmic scale, meaning a change of 1 pH unit represents a tenfold difference in acidity or basicity. Therefore, a substance with a pH of 9 is 1,000 times stronger in basicity than a substance with a pH of 4.


What substance has pH4?

Any acid solution with 1.00*10-4 mol/L H3O+


Is ph4 a dipole?

No it's not. It is non-polar since it has a geometrical shape of a tetrahedral. Tetrahedral geometries are symmetrical, so even if P-H is polar bond, they get cancelled out resulting in a non-polar molecule


Substances with pH less then 7 are?

On the PH scale 7 is concidered neutral. Less tha 7 is acidity. Examples 0 is battery acid, strong hydrofluric acid, 2 - lemon juice, 3- vindgar. Black coffee and soft drinking water are in th PH 5 range. Tomato Juice and Acid rain are Ph4 range.


Suggest a possible value for the PH value of acid rain?

The pH value of acid rain typically ranges from 4 to 5.6.


What is the pH level of Boric Acid?

The pH level of boric acid is typically around 5.0 to 6.0 in water. It is considered a weak acid.