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3 years ago

What kind of chemical reaction is below? AgNO3 + NaCI -> AgCI + NaNO3

Chemistry

2 answers:

andrezito [222]3 years ago

7 0

Reaction is the Double Replacement or Displacement reaction, depending on what textbook you use in school. :)

AX+ BY -------> AY+BX

i'm going to insert a picture to show you

frozen [14]3 years ago

6 0

A double replacement reaction is happening in that equation.

Here is the formula for double replacement:

AB+CD ---> AD+CB

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Write an algebraic expression to repro<br> 1.4 times a number, increased by 7

liberstina [14]

I think its gonna be 5

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3 years ago

How did the industrial revolution contribute to global climate change

Deffense [45]

Answer:humans have put ridiculous amounts of carbon dioxide into the atmosphereThese events are linked to the mass burning of fossil fuels to meet an increase in human demand

So the answer is True

Explanation:

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2 years ago

The diameter of the He He atom is approximately 0.10 nm nm . Calculate the density of the He atom in g/cm 3 g/cm3 (assuming that

Sladkaya [172]

Answer:

Density of the He atom = 12.69 g/cm³

Explanation:

From the information given:

Since 1 mole of an atom = 6.022x 10²³ atoms)

1 atom of He = $1 \ atom \times (\dfrac{1 \ mole}{ 6.022 \times 10^{23} \ atoms}) \times ( \dfrac{4.003 \ grams}{ 1 \ mole})$

$=6.647 \times 10^{-24} \ grams$

The volume can be determined as folows:

since the diameter of the He atom is approximately 0.10 nm

the radius of the He = $\dfrac{0.10}{2}$ = 0.05 nm

Converting it into cm, we have:

$0.05 nm \times \dfrac{10^{-9} \ meters}{ 1 nm} \times \dfrac{ 1 cm }{10^{-2} \ meters}$

$=5 \times 10^{-9} \ cm$

Assuming that it is a sphere, the volume of a sphere is

= $\dfrac{4}{3}\pi r^3$

= $\dfrac{4}{3}\pi \times (5\times 10^{-9})^3$

= $5.236 \times 10^{-25} \ cm^3$

Finally, the density can be calcuated by using the formula :

$Density = \dfrac{mass}{volume}$

$D = \dfrac{6.647 \times 10^{-24} \ grams }{ 5.236 \times 10^{-25} \ cm^3}$

D = 12.69 g/cm³

Density of the He atom = 12.69 g/cm³

4 0

3 years ago

Read 2 more answers

explain what happens to the energy stored in an item after it stops working or is no longer functional. Explain in depth

gulaghasi [49]

Answer:

it gets rust and could not run properly

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3 years ago

Is water going from liquid to solid a physical or chemical change and why

Kipish [7]

It would be a physical change. It’s still water just in a different physical form. If it was a chemical change, it would no longer be water. For example, when the ice melts back into water...it’s still water.

6 0

3 years ago