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Troyanec [42]
3 years ago
7

If 35.0 grams of coal (carbon) burns in 58.5 grams of oxygen gas, how many grams of carbon dioxide can be produced? Describe the

steps.
C + O2 → CO2
Chemistry
1 answer:
Mice21 [21]3 years ago
6 0

Answer:

0.59

Explanation:

Is 0.59 because you are dividing 35.0g by 58.5 which will than give you 0.59

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C4H2O+O2 IS WHAT TYPE OF CHEMICAL REACTION
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Answer:

Combustion

Explanation: Because a reactant is reacting with O2.

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A chemical change occurs when substances chemically react with one another. true or false
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Which statement accurately describes the movement of Earth's plates due to convection currents?
ValentinkaMS [17]

Answer:

The correct answer is the third statement, that is, when the heated substance gets near to the surface, it starts to cool.

Explanation:

A current that arises within a fluid due to convection is termed as the convection current. In comparison to the surface, the core is extremely hot, thus, both core and the surface exhibit very distinct temperatures. The mantle rises towards the surface when it gets heated as it moves close to the core. However, when it moves towards the surface, the mantle starts to turn cool and denser.  

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3 0
3 years ago
An unlit match contains approximately 1,000 J of chemical energy. When it burns, the match releases thermal energy and light ene
expeople1 [14]

Answer:

350J

Explanation:

Based on the first law of thermodynamics, which is the law of conservation of energy, energy can neither be created nor lost but can only be transformed. This implies that energy input of a system must equate the energy output as no energy can be lost.

In this case regarding an unlit match that contains 1000J of chemical energy. It burns to emit light energy and heat/thermal energy. If the amount of emitted thermal energy measured is 400J and the remaining/left over amount of chemical energy is 250J, this means that the missing amount of energy has been emitted as light energy.

To find the amount of light energy emitted, we say;

Amount of chemical energy - (thermal energy emitted + remaining chemical energy)

= 1000 - (400 + 250)

= 1000 - 650

= 350J

Hence, the amount of light energy emitted is 350J. This satisfies the law of conservation of energy because the output energy is equal to the total energy in the system.

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· Litter loss triggers estrus in a nonsocial seasonal breeder

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