Which statement explains why low temperature and high pressure are required to liquefy chlorine gas?(1) Chlorine molecules have weak covalent bonds.
(2) Chlorine molecules have strong covalent bonds.
(3) Chlorine molecules have weak intermolecular forces of attraction.
(4) Chlorine molecules have strong intermolecular forces of attraction.

Answers

Answer 1

Answer: The correct answer is option 2. Chlorine gas molecules are held together by strong covalent bonds. This type of bond requires an ample amount of energy in order to break it and turn gas into liquid. That is why, high pressure and low temperature is needed.

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Hydrocarbons are separated from each other by a process called cracking distillation. a. True
b. False

Answers

True, cracking distillation is one process used to break hydrocarbons into smaller and more useful parts. This is achieved by using high temperatures and pressures with a catalyst. The most common catalyst used are the zeolites.

Answer:

Correct answer is FALSE I just tested it and it came out right.

Explanation:

Each molecule of table sugar, C12H22O11, containsa.
0 atoms of carbon.
c.
6 atoms of carbon.
b.
1 atom of carbon.
d.
12 atoms of carbon.

Answers

Answer : The correct option is, (d) 12 atoms of carbon.

Explanation:

The formula of given molecule of table sugar is, $C_(12)H_(22)O_(11)$

The given molecule is made up of three elements which are, carbon, hydrogen and oxygen.

In the given molecule of table sugar $C_(12)H_(22)O_(11)$ , there are 12 number of carbon atoms, 22 number of hydrogen atoms and 11 number of oxygen atoms.

From the given options we conclude that, the option (d) is the correct option. While the other options are incorrect.

Hence, the correct option is, (d) 12 atoms of carbon.

d, because C12 means there's 12 atoms of carbon.

How would you be able to use the spectrum of each gas to establish its identity

Answers

You could compar and contrast the identities so you can compare them and identify them

Burning fossil fuels in a low oxygen environment will most likely produceA) carbon monoxide.
B) hydrogen peroxide.
C) sulfuric acid.
D) methane.

Answers

Final answer:

Burning fossil fuels in a low oxygen environment most likely produces carbon monoxide due to incomplete combustion. This is because there isn't enough oxygen to react with carbon, leading to formation of carbon monoxide instead of carbon dioxide. The correct option is A.

Explanation:

When fossil fuels are burned in a low-oxygen environment, the most likely product will be carbon monoxide (A). This occurs because in a low-oxygen environment, there is not enough oxygen to react with the carbon atoms in the fossil fuels to form carbon dioxide, which is the normal product of combustion in a high-oxygen environment. Instead, each carbon atom reacts with only one oxygen atom, forming carbon monoxide instead of carbon dioxide. It's also important to note that the production of carbon monoxide in such situations is a significant health hazard as it is a poisonous gas.

Learn more about Burning of fossil fuels here:

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What are the two parts of an atom?the nucleus and the proton cloud
the neutron and the electron cloud
O the neutron and the proton cloud
O the nucleus and the electron cloud

Answers

Answer:

the nucleus and electron cloud is the correct option

How many molecules are in 165 g of carbon dioxide?

Answers

Answer: $22.6 * 10^(23)$ molecules

Explanation:

To calculate the moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$

For $CO_2$

Given mass= 165 g

Molar mass of $CO_2$ = 44 g/mol

Putting values in above equation, we get:

$\text{Moles of}CO_2 =(165g)/(44g/mol)=3.75mol$

According to avogadro's law, 1 mole of every substance weighs equal to the molecular mass and contains avogadro's number $6.023* 10^(23)$ of particles.

1 mole of $CO_2$ contains = $6.023* 10^(23)$ molecules of $CO_2$

Thus 3.75 moles $CO_2$ contains = $(6.023* 10^(23))/(1)* 3.75=22.6 * 10^(23)$ molecules of $CO_2$

Thus there will be $22.6 * 10^(23)$ molecules of $CO_2$

The molar mass of CO2 is 44 grams per mole.

165 grams / 44 grams per mole of CO2 = 3.75 moles CO2

Using Avogadro’s law where 1 mole of substance equals 6.023 x 10^23 molecules

3.75 moles CO2 (6.023 x 10^23 molecules /mole) = 2.26 x 10^24 molecules CO2

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