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tia_tia [17]
3 years ago
15

True or False the molecule CCl4 contains one double bond and three single bonds.

Chemistry
2 answers:
tensa zangetsu [6.8K]3 years ago
5 0

Answer: False

Explanation: Carbon is the central atom which has valency of 4 and can form 4 bonds to complete its octet. Each chlorine has valency of 1 and can form only one bond to complete its octet. Thus carbon can bond with four chlorine atoms through sharing of electrons to form four single bonds. Thus it cannot contain a double bond.

C:6:1s^22s^22p^2

Cl:17:1s^22s^22p^63s^23p^5



lisabon 2012 [21]3 years ago
4 0

False: C-Cl is a single bond as Cl is -1 in its valency and C is 4.


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You conduct an experiment in which you measure the temperature (T) and volume (V) of a mysterious sphere of gas at several diffe
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Volume of the gas is 525 L.

<u>Explanation:</u>

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3 years ago
SO
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Answer:

\large \boxed{\text{E) 721 K; B) 86.7 g}}

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Question 7.

We can use the Combined Gas Laws to solve this question.

a) Data

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b) Calculation

\begin{array}{rcl}\dfrac{p_{1}V_{1}}{T_{1}}& =&\dfrac{p_{2}V_{2}}{T_{2}}\\\\\dfrac{1.88\times285}{355} &= &\dfrac{2.50\times 435}{T_{2}}\\\\1.509& = &\dfrac{1088}{T_{2}}\\\\1.509T_{2} & = & 1088\\T_{2} & = & \dfrac{1088}{1.509}\\\\ & = & \textbf{721K}\\\end{array}\\\text{The gas must be heated to $\large \boxed{\textbf{721 K}}$}

Question 8. I

We can use the Ideal Gas Law to solve this question.

pV = nRT

n = m/M

pV = (m/M)RT = mRT/M

a) Data:

p = 4.58 atm

V = 13.0 L

R = 0.082 06 L·atm·K⁻¹mol⁻¹

T = 385 K

M = 46.01 g/mol

(b) Calculation

\begin{array}{rcl}pV & = & \dfrac{mRT}{M}\\\\4.58 \times 13.0 & = & \dfrac{m\times 0.08206\times 385}{46.01}\\\\59.54 & = & 0.6867m\\m & = & \dfrac{59.54}{0.6867 }\\\\ & = & \textbf{86.7 g}\\\end{array}\\\text{The mass of NO$_{2}$ is $\large \boxed{\textbf{86.7 g}}$}

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3 years ago
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