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Karolina [17]
3 years ago
11

Which of the following contains both ionic and covalent bonding?

Chemistry
2 answers:
Leviafan [203]3 years ago
5 0

the answer to the first question would be NH4CI

bogdanovich [222]3 years ago
4 0
My answer would be +3
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What are the two categories of chemical sedimentary rock?
AnnyKZ [126]
Calcite and calcite?
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3 years ago
2. _____ is the distance and direction of an object’s change in position from the starting   a.  Speed b.  Displacement   c.  Ve
Llana [10]
Displacement is the distance and direction of an object's change in position from the starting.
Hence option B is correct.

Hope this helps!
3 0
3 years ago
Consider a 100-gram sample of radioactive cobalt-60.
svetlana [45]

It will take 5.2 years to decay.

The half life of cobalt-60 is 5.2 years. The half life is the time taken for the mass of the substance to decrease by a half.

here, the amount of remaining substance is 50%,

so, (\frac{1}{2} )^{n} = 0.5

n. log (0.5) = log (0.5)

n = 1

So it would take 1 half lives to decay this much, which is 1 x 5.2 which is 5.2 years.

what do you mean by radioactive decay ?

The process through which an unstable atomic nucleus loses energy via radiation is known as radioactive decay, also known as nuclear decay, radioactivity, radioactive disintegration, or nuclear disintegration. A material that has unstable nuclei is considered as radioactive.

Learn more about decay here:-

brainly.com/question/13853996

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7 0
2 years ago
A) Earlier you were told that of all of the 14 solutes you will be studying, the only one that is not appreciably ionized in wat
lidiya [134]

Answer:

Throughout the overview section following portion, the description and according to particular circumstance is defined.

Explanation:

As per the question,

⇒ NH_3(aq)+H_2O\leftrightarrow NH_4+(aq)+OH-(aq)

  • A weak basis seems to be NH3. It serves as a base since the aqueous solution or phase is protonated. But NH3 +, just becoming a weak base, is therefore deprotonated into form NH3, and therefore also 90% of ammonia becomes found throughout NH3 state in aqueous solution.  

⇒ NH_3+(aq) \leftrightarrow NH_3(aq)+H+(aq)

However, it is also available in NH3 form throughout the aqueous solution much of the moment.

4 0
3 years ago
Claude Bernard first recognized _____.
storchak [24]

Answer : Option B) Plant stomata opening and closing to maintain homeostasis.

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In plants stomatal opening and closing was done for maintaining homeostasis with the external and internal plant environment.

3 0
3 years ago
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