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2 years ago

What kind of intermolecular force is KI(aq)

Chemistry

1 answer:

NeTakaya2 years ago

7 0

Answer:

dipole-induced dipole forces

Explanation:

KI(aq) has potassium and iodine ions in water. Water is a polar molecule. So the type of force must be ion-dipole.

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Name two elements that have properties similar to those of beryllium and have average atomic masses higher than 130

sertanlavr [38]

In the periodic table, elements of the same group are characterized by having the same similar properties.
So, first we will check the elements that lie within the same group as beryllium and then we will attempt to choose the elements with atomic mass higher than 130.

So, elements in the same group as beryllium are: magnesium, calcium, strontium, barium and radium.
Among these elements, we will find that:
radium has atomic mass of 226 amu
barium has atomic mass of 137.327 amu

Based on this, the two elements would be barium and radium.

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3 years ago

A chemist needs to know the concentration of some NaOH that is in the laboratory. To find this out, she titrates a 50.0 mL sampl

RoseWind [281]

Answer: 2.4 M

Explanation:

According to the neutralization law,

$n_1M_1V_1=n_2M_2V_2$

where,

$M_1$ = molarity of $Hl$ solution = 3.5 M

$V_1$ = volume of $HCl$ solution = 34.3 ml

$M_2$ = molarity of $NaOH$ solution = ?

$V_2$ = volume of $NaOH$ solution = 50 ml

$n_1$ = valency of $HCl$ = 1

$n_2$ = valency of $NaOH$ = 1

$1\times 3.5M\times 34.3=1\times M_2\times 50$

$M_2=2.4$

Therefore, the concentration of NaOH solution is 2.4 M.

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3 years ago

Why are nonnative species a threat to biodiversity?

Elan Coil [88]

Answer:

A. They often use up resources that other organisms need.

Explanation:

Invasive alien species are animals, plants, fungi and microorganisms entered and established in the environment from outside of their natural habitat. T

hey reproduce rapidly, out-compete native species for food, water and space, and are one of the main causes of global biodiversity loss.

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3 years ago

Is the answer correct?

poizon [28]

Yes, it is correct...........

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2 years ago

What is the difference between endothermic and exothermic reaction (shortest answer)

max2010maxim [7]

Answer:

An exothermic process releases heat, causing the temperature of the immediate surroundings to rise. An ethothermic process absorbs heat and cools the surroundings. Hope this helped.

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3 years ago

Read 2 more answers

What kind of intermolecular force is KI(aq)​

What kind of intermolecular force is KI(aq)