In this question you should assume methane behaves as an ideal gas. The gas laws can be summarised in the ideal gas equation below. pV = nRT
The volume of a sample of methane is measured at a temperature of 60°C and a pressure of
103 kPa. The volume measured is 5.37 × 10–3 m3.
What is the mass of the sample of methane, given to two significant figures? A 0.0032g B 0.018g C 3.2g D 18g

the mass of the cathode increases because ions from the solution get reduced to atoms and become part of the cathode.

explanation:

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i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

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they are made of gases.

they have a spherical shape.

they make energy through fusion.

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

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