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Paraphin [41]
3 years ago
11

Burning gasoline as fuel for a car involves

Chemistry
2 answers:
Viktor [21]3 years ago
6 0

Answer:

B D E are the answers on ed

Nostrana [21]3 years ago
3 0

Thermal energy

mechanical energy

chemical energy

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In the forward reaction of this equilibrium, which substance acts as the Brønsted-Lowry base? H2S(aq)+CH3NH2(aq)⇋HS−(aq)+CH3NH+3
timama [110]
H2S donates a proton, therefore it is a Brønsted-Lowry base; CH3NH2 accepts a proton, so it’s a Brønsted-Lowry base.
8 0
4 years ago
Which units represent destiny? Select all that apply.
ozzi
The basic units for density is \frac{mass}{volume} and any get of units that has those units in the proper place can be considered a density unit.  The ones that has those specifically are A, B, E and F
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3 years ago
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All the elements of a family in the periodic table have what feature in common?a)they all have similar chemical properties.b)the
Vadim26 [7]
<span>Answer: D. They all have the same number of electrons in the electron cloud</span>
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3 years ago
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What type(s) of intermolecular forces are expected between ch3ch2ch2ch2ch2oh molecules?
notka56 [123]

Answer : Hydrogen-bonding, Dipole-dipole attraction and London-dispersion force.

Explanation :

The given molecule is, CH_3CH_2CH_2CH_2CH_2OH

Three types of inter-molecular forces are present in this molecule which are Hydrogen-bonding, Dipole-dipole attraction and London-dispersion force.

  • Hydrogen-bonding : when the partial positive end of hydrogen is bonded with the partial negative end of another molecule like, oxygen, nitrogen, etc.
  • Dipole-dipole attraction : When the partial positively charged part of the molecule is interact with the partial negatively charged part of the molecule. For example : In case of HCl.
  • London-dispersion force : This force is present in all type of molecule whether it is a polar or non-polar, ionic or covalent. For example : In case of Br-Br , F-F, etc

Hydrogen-bonding is present between the oxygen and hydrogen molecule.

Dipole-dipole forces is present between the carbon and oxygen molecule.

London-dispersion forces is present between the carbon and carbon molecule.

5 0
4 years ago
PLEASE HELP ASAP
Kruka [31]

The mass stays constant as a substance changes from a liquid to a gas.  

The Law of Conservation of Mass states that, in ordinary chemical reactions, mass is neither destroyed nor created.


That is, the mass of the reactants must equal the mass of the products.


2H₂O(ℓ) ⟶ 2H₂O(g)


   1 g              1 g


If the mass of liquid water is 1 g, the mass of the water vapour must be 1 g.


Even though the water vapour is a gas and you can’t see it, it still has a mass

of 1 g.



4 0
3 years ago
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