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gavmur [86]
3 years ago
9

What is happening in the diagram? ​

Chemistry
1 answer:
OlgaM077 [116]3 years ago
4 0

Answer:It is a picture with a boat sailing on the water with sound waves going down to an old and sunken ship but the waves then go back up to the boat in a different angle.

Explanation:

hope it works thx

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The layer in which all living things on earth live and allows you to breathe is called the?
Ksju [112]
A troposphere because that is where all the CO2 and where we live
6 0
3 years ago
In which of the pairs listed below are both compounds strong electrolytes? Are any strong acids or bases?
Ganezh [65]
<h3>Answer:</h3>

NaCl and Sr(OH)2

<h3>Explanation:</h3>
  • An electrolyte is a substance that is either in molten or aqueous form that can be decomposed by passing an electric current through it.
  • Electrolytes are classified as either strong electrolytes or weak electrolytes.
  • Strong electrolytes are either strong bases or acids which completely ionizes to give mobile ions which are responsible for conduction of electricity.
  • NaCl is a salt and Sr(OH)₂ is a strong base, both are strong electrolytes.
5 0
3 years ago
An 80L capacity steel cylinder contains H2 at a pressure of 110 atm and 30 ° C, after extracting a certain amount of gas, the pr
icang [17]

Answer:

2200 L

Explanation:

Ideal gas law:

PV = nRT,

where P is absolute pressure,

V is volume,

n is number of moles,

R is universal gas constant,

and T is absolute temperature.

The initial number of moles is:

(110 atm) (80 L) = n (0.0821 L atm / K / mol) (30 + 273.15) K

n = 353.58 mol

After some gas is removed, the number of moles remaining is:

(80 atm) (80 L) = n (0.0821 L atm / K / mol) (30 + 273.15) K

n = 257.15 mol

The amount of gas removed is therefore:

n = 353.58 mol − 257.15 mol

n = 92.43 mol

At normal conditions, the volume of this gas is:

PV = nRT

(1 atm) V = (92.43 mol) (0.0821 L atm / K / mol) (273.15 K)

V = 2162.5 L

Rounded, the volume is approximately 2200 liters.

4 0
3 years ago
Why is the atomic mass unit(amu) rather than the gram,usually used to express atomic mass?​
jenyasd209 [6]
Because atoms weigh much less than a gram.
8 0
3 years ago
How many electrons are in the valence shell?
LenKa [72]
I got 5-8 but i’m not 100% sure
3 0
3 years ago
Read 2 more answers
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