3 years ago

Why potasium more reactive than lithium and sodium

1 answer:

5 0

So potassium is more reactive than lithium because the outer electron of a potassium atom is further from its nucleus than the outer electron of a lithium atom. Hope this answers the question. Have a nice day. Feel free to ask more questions.

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Water is amphoteric. If it reacts with a compound that is a stronger acid than itself, water acts as a

kirza4 [7]

Answer:

Water acts as a base in the presence of a strong acid

Explanation:

Water,being an amphoteric compound, can act both as an acid and as a base.

In the presence of an acid , water acts as a base but in the presence of a base, water acts as an acid.

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2 years ago

Im hvaing a hard time getting the right answer

Tanya [424]

Answer:

$V=23.9mL$

Explanation:

Hello!

In this case for the solution you are given, we first use the mass to compute the moles of CuNO3:

$n=2.49g*\frac{1mol}{125.55 g}=0.0198mol$

Next, knowing that the molarity has units of moles over liters, we can solve for volume as follows:

$M=\frac{n}{V}\\\\V=\frac{n}{M}$

By plugging in the moles and molarity, we obtain:

$V=\frac{0.0198mol}{0.830mol/L}=0.0239L$

Which in mL is:

$V=0.0239L*\frac{1000mL}{1L}\\\\V=23.9mL$

Best regards!

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3 years ago

In humans these organs are part of a lager system the ___ system?

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Answer:

B) digestive

Explanation:

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A rocket accelerates at 56 m/s2 with the force of 44,800 N. What is the mass of the rocket?

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800 kg 5

Explanation:

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2 years ago

This is for chemistry:/

Andreyy89

Answer:

Its the bottom one :) ......

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