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Angelina_Jolie [31]
3 years ago
9

1 How many significant figures are there in 9,000,500 mL?

Chemistry
1 answer:
lutik1710 [3]3 years ago
6 0
There are 2 significant figures in this number. A significant figure is any number that isn’t 0. Hope this helps.
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Otrada [13]

Answer:precipitation happens because of the water vapor from the oceans or waters that concern into water and get to the cloud they condense and it rains or it precipitates

Explanation:

4 0
4 years ago
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Which gas law would you use for the following problem: What pressure is required to hold 8.0 moles of oxygen gas in an 8.0 L con
emmainna [20.7K]

Answer:

Ideal Gas Law ( PV = nRT)

Explanation:

Using the Ideal Gas Law, we have; PV = nRT

Where P= Pressure = ?

            V= Volume = 8.0 L

            n =  moles = 8.0

            R =  Gas constant = 0.0821 L.atm/mol/K

            T =  80° c + 273 =  353.15K

Therefore Pressure would be;  P = nRT/ V =  8 x 0.0821 x 353.15 / 8 = 28.9atm

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3 years ago
Assuming linear behavior and a pathlength of exactly 1 cm, what molar concentration will measure an absorbance of
MakcuM [25]
For this problem, we use the equation derived from Beer's Law as written below:

A = ∈LC,
where
A is the absorbance
∈ is the molar absorptivity
L is the path length of the cuvette
C is the concentration of the sample solution placed in the cuvette

To determine C, we have to know the rest of the parameters. Generally, the equation for C would be:

C = A/∈L = A/∈(1 cm)
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If you know the absorbance and the molar absorptivity in mol/L·cm, you can determine the value of C.
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Describe maritime tropacal air masses
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Answer:

Okay I will, Maritime tropical (mT) air masses are warm, moist, and usually unstable. Some maritime tropical air masses originate in the subtropical Pacific Ocean, where it is warm and air must travel a long distance over water. These rarely extend north or east of southern California.

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What happened to the molecule when the electron was promoted to the antibonding orbital?.
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the bond will break

The bond will dissolve (break) if the electron absorbs a photon and is moved from a bonding molecular orbital to an antibonding orbital since there is no longer an overall stabilizing interaction.

<h3>What is an antibonding orbital?</h3>

An antibonding molecular orbital is the molecular orbital created by the destructive overlapping of atomic orbitals.

<h3>Why is it called antibonding orbital?</h3>
  • Every atom will add one electron to the bond that makes up the lower energy bond.
  • To prevent interacting with the other two electrons, the additional electron will occupy a higher energy state.
  • The antibonding orbital is the name of this higher energy orbital.

<h3>What orbitals form an antibond?</h3>
  • The bonding orbitals are home to electrons that spend the majority of their time between the nuclei of two atoms, whereas the antibonding orbitals are home to electrons that spend the majority of their time outside the nuclei of two atoms.

<h3>When an electron was elevated to the antibonding orbital, what happened?</h3>
  • In contrast, putting electrons in antibonding orbitals will make the molecule less stable.
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<h3 />

To learn more about antibonding orbitals visit:

brainly.com/question/17303393

#SPJ4

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