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dolphi86 [110]
3 years ago
6

How to make a covalent bond

Chemistry
2 answers:
Cloud [144]3 years ago
7 0
A stable configuration is a completely filled s‐type subshell and a p‐type subshell. Only five elements have atoms with their valence p‐subshells filled; these are the inert gases in the far right column of the periodic table. Their lack of chemical reactivity is explained by their stable electron configurations.
Bingel [31]3 years ago
4 0

Answer:

you just think it and you would make it.

Explanation:

its gonna be easy if you just think what would you do for it.☺

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Which formula can be used to calculate the molar mass of ammonia (NH3)?
Vesnalui [34]

<u>Answer:</u> The correct answer is Option C.

<u>Explanation:</u>

Molar mass is defined as the sum of the atoms present in a compound each multiplied with the number of atoms present in it.

For a compound A_xB_y

The molar mass will be = [(x\times \text{Molar mass of A})+(y\times \text{Molar mass of B})]

So, for the given compound NH_3,

The molar mass will be = [(1\times \text{Molar mass of Niyrogen})+(3\times \text{Molar mass of Hydrogen})]

Hence, the correct answer is Option C.

7 0
3 years ago
Calculate Delta n (change in moles of gaseous substances) for each of the following balanced chemical equations...
Lerok [7]
<span>2<span>C6</span><span>H6</span>O(l)+17<span>O2</span>−−>12C<span>O2</span>(g)+12<span>H2</span>O(l)</span>
<span>2S<span>O2</span>(g)+<span>O2</span>(g)−−>2S<span>O3</span>(g)</span>
<span><span>N2</span>(g)+<span>O2</span>(g)−−>2NO(g)</span>
<span>2Na(s)+B<span>r2</span>(l)−−>2NaBr(s)</span><span>
On the 1st 3 I have
12 -17 = -5
2 - 3 = -1
2 - 2 = 0
For the last one:
</span><span>Delta n=0</span><span>
</span>
3 0
3 years ago
At 1:00 P.M., the air temperature was 78°F, and air pressure was 30.0 inches of mercury with partly cloudy skies. By 4:00 P.M.,
vlabodo [156]
The 4:00 time because later that afternoon would be later in the day
5 0
3 years ago
Read 2 more answers
A sample can not be broken down physically or chemically what is it
KIM [24]

Answer:

Pure Substance. A sample of matter, either a single element or a single compound, that has definite chemical and physical properties. Element. A pure substance that cannot be broken down into other substances by chemical or physical means.

Explanation:

Sorry if it's wrong!!!!!!!

6 0
3 years ago
Read 2 more answers
Suppose there is 0.63 g of HNO3 per 100 mL of a particular solution. What is the concentration of the HNO3 solution in moles per
Vadim26 [7]

Answer:

There are 0.09996826 moles per liter of the solution.

Explanation:

Molar mass of HNO3: 63.02

Convert grams to moles

0.63 grams/ 63.02= 0.009996826

Convert mL to L and place under moles (mol/L)

100mL=0.1 L

0.009996826/0.1= 0.09996826 mol/L

4 0
3 years ago
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