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White raven [17]
3 years ago
14

What is the chemical symbol for methane?

Chemistry
2 answers:
timofeeve [1]3 years ago
8 0
Por lo que busque el simbolo quimico del metano es CH4
 

Rama09 [41]3 years ago
7 0
The chemical symbol for methane is CH4
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tangare [24]
The neutron is electrically neutral.
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3 years ago
True or false: different substances are made up of different types of atoms
Degger [83]
I would definitely say that's false.

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A sample of gas occupies a volume of 67.1 mL . As it expands, it does 135.3 J of work on its surroundings at a constant pressure
Semmy [17]

Answer:

V_2=1.363x10^{-3}m^3=1363mL

Explanation:

Hello,

In this case, since the work done at constant pressure as in isobaric process is computed by:

W= P(V_2-V_1)

Thus, given the pressure, initial volume and work, the final volume is:

V_2=V_1+\frac{W}{P}

Whereas the pressure must be expressed in Pa as the work is given in J (Pa*m³):

P=783Torr*\frac{101325Pa}{760Torr} =104394Pa

And the volumes in m³:

V_1=67.1mL*\frac{1m^3}{1x10^6mL} =6.71x10^{-5}m^3

Thus, the final volume turns out:

V_2=6.71x10^{-5}m^3+\frac{135.3Pa*m^3}{104394Pa}\\\\V_2=1.363x10^{-3}m^3=1363mL

Best regards.

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3 years ago
Substance X is extremely acidic. Substance Y is extremely basic. What would be formed if substance X and Y were mixed together?
nirvana33 [79]

The product is

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A length of 10 cm equals how many dm? Mark all that apply.
kkurt [141]

Answer:

1 dm

Explanation:

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1 cm = 10 dm

So in order to convert cm to dm we will divide the given value by 10.

10 dm × 1 cm/10 cm

1 dm

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3 years ago
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