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yan [13]
2 years ago
15

Draw the Lewis structure for NF3. What orbitals on N and F overlap to form bonds between these elements

Chemistry
1 answer:
jonny [76]2 years ago
4 0
Is there a picture ????????????
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Explain how mountain chains provide evidence to support the theory of continental drift.
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Type the letter of the correct answer in the blank space. The image shows the combustion of methane. Which equation represents t
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CH4 + 2O2 → CO2 + 2H2O

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If measuring experimental results, what can you predict about the work output of a 1200 watt hair dryer? the work output of the
eimsori [14]

Answer: first option, the work output of the hairdryer will be less than the work input.


Explanation:


1) The work output measured in watts is the power of hair dryer measured in joules per second.


2) The hair dryer converts electrical energy from the wall outlet to mechanical and thermal energy: hot wind.


3) Nevertheless, you can never expect a 100% efficiency of the machines: due to friction, some energy is converted into useless energy.


So, efiiviency = power output / power input< 1 ⇒


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Which is the first option: the work output of the hairdryer will be less than the work input

6 0
2 years ago
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What is the molarity of a NaCl stock used to make 750 ml of a dilute 10 mM solution if 5 ml of the concentrated solution was use
ch4aika [34]

Explanation:

The given data is as follows.

          M_{1} = 10 mM = 10 \times 10^{-3} M

          V_{1} = 750 ml,           V_{2} = 5 ml

          M_{2} = ?

Therefore, calculate the molarity of given NaCl stock as follows.

                  M_{1} \times V_{1} = M_{2} \times V_{2}

                  10 \times 10^{-3} \times 750 ml = M_{2} \times 5 ml

                   M_{2} = 1.5 M

Thus, we can conclude that molarity of given NaCl stock is 1.5 M.        

7 0
2 years ago
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