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scoundrel [369]
3 years ago
8

Which atom is likely to be more chemically reactive, an atom with a partly filled energy level or an atom with all energy levels

completely filled? explain?
Chemistry
2 answers:
kirill115 [55]3 years ago
7 0

Answer:

The correct option is an atom with a partly filled energy level

Explanation:

An atom with a partially filled energy level means the atom has a partially filled outermost shell which in turn means the atom as valence electrons. The presence of valence electrons in atoms makes them undergo chemical bonding with other atoms of the same/different elements (during chemical reactions).

Atoms with completely filled energy levels (such as the noble gases) have a completely filled outermost shell and hence do not have valence electrons which can take part in bond formation during chemical reactions and hence these group of atoms have low chemical reactivity.

irina [24]3 years ago
3 0

It is more reactive the atom with a partly filled energy level because is less stable than the other case. Stability is inversely proportional to reactivity.

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A chemical reaction that produces electricity would be.
Goshia [24]

Answer:

Exothermic

Explanation:

Exothermic describes a process or reaction that releases energy

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2 years ago
How many moles of gas would occupy a 25.0 liter when the temp is 22.0 degrees celsius and the pressure is 646 torr
Luda [366]

Answer:

0.877 mol  

Step-by-step explanation:

We can use the<em> Ideal Gas Law </em>to solve this problem.

pV = nRT     Divide both sides by RT

 n = (pV)/(RT)

Data:

p = 646 torr

V = 25.0 L

R = 0.082 06 L·atm·K⁻¹mol⁻¹

T = 22.0 °C

Calculations:

(a) <em>Convert the pressure to atmospheres </em>

p = 646 torr × (1 atm/760 torr) = 0.8500 atm

(b) <em>Convert the temperature to kelvins </em>

T = (22.0 + 273.15) K = 295.15 K

(c) <em>Calculate the number of moles </em>

n = (0.8500 × 25.0)/(0.082 06 × 295.15)

  = 0.877 mol

3 0
3 years ago
The speed of a car is 16 meters per second. What is this speed in miles per hour? What is
Dovator [93]

<u>Conversion Factors:</u>

1.61 km = 1 mile

60 sec = 1 min

60 min = 1 hour

<u />

Use dimensional analysis to solve.

=\frac{16\ meters}{1\ second} × \frac{1\ km}{1000\ meters} × \frac{1 mile}{1.61\ km} × \frac{60\ seconds}{1\ min} × \frac{60\ min}{1\ hour}

=35.77639752

= 36 miles/hour

If done properly, you should be left with the units <em>miles/hour</em>

<em />

3 0
3 years ago
(CH3)2-CH-CH2-O(CH3)3IUPAC NAME
bazaltina [42]

Answer:

1-(tert-butoxy)-2-methylpropane

Note: there is a mistake in formula, the correct formula is (CH₃)₂-CH-CH₂-O-C(CH₃)₃ not (CH₃)₂-CH-CH₂-O(CH₃)₃, because oxygen is a divalent compound.

Explanation:

<em>Structural formula is attached</em>

IUPAC naming rules

1. start numbering the chain from the functional group. In this compound we        start from oxygen side.

2. Here we can see that at position 1 there is an oxy group along with a tertiary carbon having three methyl groups. So we write it as 1-tert-butoxy. Which means that there is a methoxy group at position 1 along with a tertiary carbon.

3. At position 2 we can see that there is a methyl group attached to the main chain, so we write it as 2-methyl.

4. Now we count the total number of carbons in the main chain. As we can see that there are 3 carbons in the remaining or parent chain, so we write it as propane

5. So the IUPAC name of the compound will be 1-(tert-butoxy)-2-methylpropane

3 0
4 years ago
What mass of KCL is contained in .350 M solution of KCL?
Sergio039 [100]
The mass of KCl per volume of solution=.35X(35.5+39)=26.075g/L
5 0
4 years ago
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