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Orlov [11]
3 years ago
6

Approximately 2.5 kg of carbon dioxide gas are produced for every liter of gasoline burned in an automobile gasoline engine. Cal

culate the number of pounds of carbon dioxide produced weekly by a driver who averages 125 miles per week in a car that gets about 35 mpg.
Chemistry
1 answer:
uranmaximum [27]3 years ago
6 0
125 mile *1gallon/35 mi = 135/35 = (27/7) gallon gasoline 

27/7 gallon * 1 L/0.264 gallon = 14.6 L  gasoline

14.6 L gasoline * 2.5kg CO2/1L gasoline= 36.5 kg CO2

36.5 kg CO2 * 1lb/0.454 kg = 80.4 lb

Answer: 80.4 lb CO2

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Ugo [173]

Answer:

2nd option

Explanation:

7 0
3 years ago
What are the atomic number and mass number of this atom
lina2011 [118]
No diagram is given therefore I cannot answer however, use this for reference.
The atomic mass of an atom would be the number of protons PLUS the number of neutrons. Because this atom shown has 6 protons and 6 neutrons, they add up to 12. In this case, the atomic mass of this atom is 12. Atomic number is the number of protons in an atom, in this case it is 6. The atomic number is 6.

5 0
3 years ago
When an atom of H in an atom of F bond together...
Helga [31]

Answer:

it forms a covalent bond

hope this helps :)

7 0
3 years ago
Read 2 more answers
2 C2H2 + 5 O2<br> 2 H2O + 4 CO2 <br> what reaction type
Alexxx [7]

Answer:

Combustion reaction

General Formulas and Concepts:

<u>Chemistry</u>

  • Synthesis Reactions: A + B → AB
  • Decomposition Reactions: AB → A + B
  • Single-Replacement Reactions: A + BC → AB + C
  • Double-Replacement Reactions: AB + CD → AD + BC

Explanation:

<u>Step 1: Define</u>

2C₂H₂ + 5O₂ → 2H₂O + 4CO₂

<u>Step 2: Identify</u>

Any organic molecule reacting with oxygen to produce water and carbon dioxide is a combustion reaction.

We also see from the RxN that is is a double replacement reaction.

5 0
2 years ago
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Look up and compare the normal boiling points and normal melting points of H2O and H2S. Based on these physical properties, whic
NeTakaya

Explanation:

Both melting and boiling point of water are much higher that that of H2S.

The MP and BP of water are 0°C and 100°C respectively whereas the MP and BP of H2S are -82°C and -60°C respectively.

Clearly, the intermolecular forces in H2O are much stronger than in H2S because, H2O has hydrogen bonding in it, which is both inter and intra. Whereas H2S has only weak van der waal force between their molecules. This is why boiling and melting points of H2O is more than that of H2S.

Hydrogen bonding is a particular type of dipole-dipole association which occurs between atoms of hydrogen bound to strongly electronegative atoms that are either fluorine, oxygen or nitrogen.

The hydrogen atom's partially positive side is drawn to the partially negative end of these atoms found in some other molecule. It is a strong binding mechanism between the molecules.

7 0
3 years ago
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