# Which description is not a property of a base? (2 points)apH lower than 7bTurns litmus paper bluecBitter tastedSlimy feel

because if the pH is lower than 7 than it is acidic

the answer is a hope it helps.

Explanation:

## Related Questions

Hich nuclide is most likely to undergo beta decay?which nuclide is most likely to undergo beta decay?co−52ar−35si−22mg−28

200
Pt
78
is most likely to undergo beta decay.

During the process of beta decay the mass number of the parent nuclide becomes equal to the newly created nuclide. On the other hand, the atomic number of the newly created nuclei increases or decreases by one unit.

Upon adding solid potassium hydroxide pellets to water the following reaction takes place: KOH(s) → KOH(aq) + 43 kJ/mol Answer the following questions regarding the addition of 14.0 g of KOH to water: Does the beaker get warmer or colder? Is the reaction endothermic or exothermic? What is the enthalpy change for the dissolution of the 14.0 grams of KOH?

a) Warmer

b) Exothermic

c) -10.71 kJ

Explanation:

The reaction:

KOH(s) → KOH(aq) + 43 kJ/mol

It is an exothermic reaction since the reaction liberates 43 kJ per mol of KOH dissolved.

Hence, the dissolution of potassium hydroxide pellets to water provokes that the beaker gets warmer for being an exothermic reaction.

The enthalpy change for the dissolution of 14 g of KOH is:

Where:

m: is the mass of KOH = 14 g

M: is the molar mass = 56.1056 g/mol

The enthalpy change is:

The minus sign of 43 is because the reaction is exothermic.

I hope it helps you!

What is the daughter nucleus produced when 63 Zn undergoes electron capture? Replace each question mark with the appropriate integer or symbol.

Explanation:

Electron capture is defined as the process in which an electron is drawn to the nucleus where it combines with a proton to form a neutron and a neutrino particle.

The chemical equation for the reaction of electron capture of Zinc-63 nucleus follows:

The parent nuclei in the above reaction is Zinc-63 and the daughter nuclei produced in the above reaction is copper-63 nucleus.

Hence, the daughter nuclei is

When Zinc-63 undergoes electron capture, it results in the creation of a Copper-63 daughter nucleus. This is due to the atomic number decreasing by one (from 30 to 29) during electron capture, but the mass number remaining unchanged.

### Explanation:

Electron capture is a process where a proton-rich nucleus absorbs an inner shell electron, which results in a conversion of a proton into a neutron, and the emission of an electron neutrino. In doing so, the atomic number decreases by one, while the mass number stays the same. Therefore, in the case of 63 Zn (zinc-63), the atomic number is 30 prior to electron capture. After electron capture, the atomic number will decrease by one to become 29, leading to the production of 63 Cu (copper-63).

Remember that the atomic number (bottom number), also known as the proton number, determines the element. Therefore, in our example, Zn changes to Cu. The fact that the mass number (top number) remains the same is due to the total number of protons and neutrons (nucleons) being conserved.

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C

Explanation:

According to the valence bond theory the triple bond in ethyne consists of

According to the valence bond theory the triple bond in ethyne consists of one sigma bond and two pi bonds.

Explanation:
Atomic number of carbon is 6. The ground state electronic configuration of carbon is as follow,

1s
², 2s², 2p²

And the excited state electronic configuration of carbon is as follow,

1s², 2s¹, 2px¹, 2py¹, 2pz¹

In ethyne the 2s¹ orbital and 2px¹ orbitals having unpaired electrons form sigma bonds by head to head overlapping with orbitals of hydrogen atom and carbon atom. The remaining 2py¹ and 2pz¹ orbitals of both carbons overlap perpendicular to the existing sigma bond resulting in the formation of two pi bonds.

Which hybridization scheme occurs about phosphorus when nitrogen forms a triple bond?