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Gennadij [26K]
3 years ago
14

How does the creation of oil demonstrate conservation of mass?

Chemistry
1 answer:
Contact [7]3 years ago
4 0

Answer:

In the conservation of mass, mass (which is the same as energy) can never be created or destroyed in the same way oil is formed from the remains of small animals and plants that died and fell to the bottom of the sea and their mass (energy) is conserved as oil.

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Por que los egipcios podrían haber construido pirámides?
kicyunya [14]
Eran monumentos funerarios, de manera que su principal función era la de acoger tumbas de los faraones para que el viaje al cielo fuese más sencillo
4 0
3 years ago
Atomic bombs send out a shock wave when they are detonated. This occurs because the bomb's detonation superheats the air particl
brilliants [131]

Answer:

The correct answer is - They are mechanical waves.

Explanation:

Atomic bombs after detonated they send a shock wave that makes a movement of particulate matter that leads to transfer of a high amount of energy that superheats the air medium that travels as a mechanical shock wave.

The shock wave that is sent out by a detonated atomic bomb is a longitudinal mechanical wave that transfers the energy to the neighboring particles of the air.

3 0
2 years ago
Read 2 more answers
A jogger runs the first 1000 meters of a race in 250 seconds. What is the joggers speed
Masteriza [31]
The formula for speed is
s=distance/time
Substitute
s=1000m/250 sec
Divide
s=4 m/s

Hope this helps you
4 0
3 years ago
En una cucharadita de glucosa ( c6 h12 o6) hay en 3'4x10^22 moléculas, ¿Cuántos gramos de glucosa hay?
Alika [10]

Answer:

1 \: mole = 6.02 \times  {10}^{23}  \: molecules \\ ( \frac{3.4 \times  {10}^{22} }{6.02 \times  {10}^{23} } ) \: moles \:  =  \: 3.4 \times  {10}^{22}  \\  = 0.056 \: moles

\small{ \star{ \underline{ \blue{becker}}}}

6 0
3 years ago
What is the heat of combustion of ethane, c2h6, in kilojoules per mole of ethane? Enthalpy of formation values can be found in t
Andre45 [30]

The balanced combustion reaction for one mole of ethane will be

C2H6 + 3.5 O2  ---> 2CO2(g) + 3H2O (l)

Enthalpy of reaction of combustion = ∑ΔHf (products)- ∑ΔHf (reactant)

ΔHf = enthalpy of formation

The enthalpy of formation of oxygen = 0 as it is an element in its native state

ΔHf C2H6 = -83.820 kJ / mole

ΔHf H2O = -285.830 kJ / mole

ΔHf CO2 = -393.509 kJ / mole

ΔHrxn = [2 X ΔHf CO2 + 3 X ΔHf H2O] - [ΔHf C2H6]

ΔHrxn = [2 X (-393.509) + 3 (-285.830)] - [-83.820]

ΔHrxn = -1560.688 kJ / mole

7 0
3 years ago
Read 2 more answers
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