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3 years ago

What are some similarities and differences between gases and plasmas?

1 answer:

7 0

They are different and unique from the other statea of matter.
plasma is different from a gas, because it is made up of groups of positively and nagatively charged particles. In neon gas, the electrons are all bound to the nucleus

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What is the correct formula for the product represented by the letter x

ANTONII [103]

Then I would guess the answer is D because Na2OH is much more common and stable than Na2O is <span />

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4 years ago

69g of sodium reacts with chlorine to produce sodium chloride. calculate the number of moles of chlorine required to react with

Rus_ich [418]

Answer:

3 moles of $Cl^{-}$ is needed for $Na^{+}$ to be fully consumed.

Explanation:

For the balanced equation:

$Na^{+} + Cl^{-}$ ⇒ $NaCl$

First, find the moles of Na corresponding to the 69g used the general definition of mol:

$mol Na^{+} = \frac{69 g}{23 g/mol } = 3mol$

We observe that the equation is balanced and the stoichiometric ratio between them is 1: 1.

According to this, one mole of Na will react with one mole of Cl.

3 moles of $Cl^{-}$ is needed for $Na^{+}$ to be fully consumed.

7 0

3 years ago

A wave at sea travel with a velocity of 25 m/s. If it has a wavelength of 10 m, what is it’s frequency?

stealth61 [152]

Answer:

2.5 Hz

Explanation:

Formula for the given question is:

Velocity= frequency X Wavelength.

v= f X λ.

25 = 10 X f

f= 2.5 Hz

4 0

3 years ago

Why are mercury thermometers rarely used in the laboratory?

ozzi

Because it is one of the strongest chemicals and it is very dangerous.

8 0

4 years ago

Read 2 more answers

How do the structures of particles in substances vary?

lesya692 [45]

Answer:

Explanation:

8 0

3 years ago