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Vlad [161]
2 years ago
5

If a molecule contains two carbon atoms and four hydrogen atoms, what can you conclude about the bond between the carbon atoms?

...?
Chemistry
1 answer:
g100num [7]2 years ago
5 0
For the given question above, I think the bond between the carbon atoms is a double bond. <span>2 carbon atoms and 4 hydrogen atoms will give an ethene, which has a C=C bond between carbon atoms. I hope this is the answer you are looking for.</span>
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The diagram below shows the different phase transitions that occur in matter. Three bars are shown labeled Solid, Liquid, and Ga
Sati [7]

Answer:

Molecules are speeding up during boiling

Explanation:

According to the kinetic theory of matter, matter exists in three states; solid, liquid and gas. In the solid state, the molecules of a substance are in fixed positions, the can only vibrate but can not translate. In the liquid state, the molecules acquire a greater degree of freedom and can translate in addition to vibration and rotation. In a gas the molecules are infinitely free and translate at high velocities.

Arrow 1 shows a phase change from liquid to gas. This occurs during boiling. This phase change is possible because the liquid molecules acquire energy in the form of heat supplied during boiling thereby making the molecules of the liquid to speed up their motion and escape the liquid surface as vapour.

4 0
3 years ago
Concentrated hydrochloric acid is an aqueous solution that is 34.70 % HCl. The density of the solution is 1.19 g/mL. What mass o
mixas84 [53]

The mass of HCl that is contained in the solution is 147 g HCl

Why?

To find the mass of HCl we have to apply what is called a conversion factor. In a conversion factor we put the units we don't want at the bottom, and the ones we want at the top.

For this question, we want to go from liters of solution to mass of HCl, and the conversion factor is laid out as follows:

0.356Lsolution*\frac{1000mL}{1L}*\frac{1.19 g solution}{1 mL solution}*\frac{34.70 g HCl}{100 g solution}=147 g HCl

Have a nice day!

#LearnwithBrainly

3 0
3 years ago
Can y’all help me with this question How many atoms are found in the chemical formula below Al2( SiO3)2
Arte-miy333 [17]

Answer:

the answer is 10

Explanation:

Al2 is 2 atoms by itself

(SiO3)2 is 8 because Si is a single atom and O3 is 3 oxygen atoms but because of the subscript outside of the parentheses it doubles and becomes 2 and 6 respectively

7 0
2 years ago
Element: calcium symbol: Ca Atomic weight: g Mass of one mole: g/mol
Elena-2011 [213]

153g/mols I think this is the answer but not 100% sure.


6 0
2 years ago
What is the mass number of lithium isotope that consists of 3 protons, 4 neutron and 3 electrons
sweet-ann [11.9K]

Answer:

7. ok

please mark me brainlistb

6 0
3 years ago
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