The type of bond between atoms of potassium and chloride in a crystal of potassium chloride a. hydrogen bond
b. ionic bond
c. polar covalent bond
d. pure covalent bond
e. metallic bond

Answers

Answer 1

Answer: It's an ionic bond because potassium is a metal and chlorine is a non-metal so the potassium donates an electron to the chlorine and so the potassium becomes a positive ion and the chlorine becomes a negative chloride ion. Opposite ion charges attract so an ionic lattice is formed.

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What is the outermost layer of the Earth called?

Answers

Answer:

the outermost layer called Crust

What is Very small and located on ER or locatedfloating on its own in the cytoplasm, it is
responsible for making proteins for repair and
growth.

Answers

These are ribosomes definately

What is the ph at the equivalence point when 0.10 m hno3 is used to titrate a volume of solution containing 0.30 g of koh?

Answers

Answer;

pH = 7

Explanation;

HNO3 is a strong acid. KOH is a strong base. At the equivalence point, the solution will be neutral.
Therefore; the pH at the equivalence point when 0.10 m HNO3 is used to titrate a volume of solution containing 0.30 g of KOH will be 7.
The neutralization of a strong base with a strong acid gives a salt solution at the equivalence point. The salt contains ions that do not change the pH of water.

Answer:

pH at equivalence point will be 7

Explanation:

$HNO_(3)$ is a strong acid and KOH is a strong base. Hence a neutral salt would appear from acid-base reaction between them.
Acid-base reaction: $HNO_(3)+KOH\rightarrow KNO_(3)+H_(2)O$
At equivalence point, $KNO_(3)$ and water exists in medium.
As $KNO_(3)$ is a neutral salt therefore pH of medium will be equal to 7 (neutral).
So, pH at equivalence point will be 7.

What does the empirical formula of a compound describe?

Answers

it is what form where all coeficients are made into the smallest whole numbers

example

2C+4HC=8HC could be simplified to
C+2HC=4HC (note: formula is not a liegit one, only for example)

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