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3 years ago

Which orbital is the first to fill with electrons in a given principal energy level

Chemistry

1 answer:

KIM [24]3 years ago

6 0

Orbital s is always the first one to fill up

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alukav5142 [94]

D is the answer and I think you will pass whatever assignment you r doing

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4 years ago

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What are some Nonliving things with each characteristic

bezimeni [28]

say, a fridge is a nonliving thing. but its characteristic is that it keeps food cold and hold the food (I think that's what you mean)

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4 years ago

How do you do empirical formula

mihalych1998 [28]

Answer:

Explanation:

Step 1: Obtain the mass of each element present in grams. Element % = mass in g = m.

Step 2: Determine the number of moles of each type of atom present. ...

Step 3: Divide the number of moles of each element by the smallest number of moles. ...

Step 4: Convert numbers to whole numbers.

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3 years ago

a chemist dissolves 0.564 moles of manganese (IV) oxide (MnO2) in water, and adds enough water to make 0.510 L of solution. Calc

ladessa [460]

Answer:

The molarity of the solution is 1.1 $\frac{moles}{liter}$

Explanation:

Molarity is a measure of the concentration of that substance that is defined as the number of moles of solute divided by the volume of the solution.

The molarity of a solution is calculated by dividing the moles of the solute by the volume of the solution:

$molarity=\frac{number of moles of solute}{volume}$

Molarity is expressed in units $\frac{moles}{liter}$

In this case

number of moles of solute= 0.564 moles
volume= 0.510 L

Replacing:

$molarity=\frac{0.564 moles}{0.510 L}$

Solving:

molarity= 1.1 $\frac{moles}{liter}$

The molarity of the solution is 1.1 $\frac{moles}{liter}$

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3 years ago

Sound molecules can "stack up" in front of airplanes traveling at very high

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D. Sonic booms. Hope this helps

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4 years ago