You asked: What two items are needed to make a gas that can be weighed?

1) Put the gas in a closed container and weigh it on a scale. There are two things to be careful about here — one is the weight of the container and the other is the buoyant force arising from the fact that the container with the gas in it is being weighed with air all around.

How do you weigh gas?

You weight a gas by putting it in a container and putting the container of gas on some scales. Helps if the scales are in a vacuum. You can evacuate a container, weigh it, add the gas, then weigh it again. There are other approaches that account for the pressure of the surrounding fluid.

What can gases be measured by?

The first thing to remember: natural gas is measured by volume (cubic feet) but is sold based on its heating content (Btus). A cubic foot of natural gas is the amount of natural gas that can be contained in a cube one foot on a side, at a certain standard temperature and pressure.

What things can be weighed?

A gram is about:

  • a quarter of a teaspoon of sugar.
  • a cubic centimeter of water.
  • a paperclip.
  • a pen cap.
  • a thumbtack.
  • a pinch of salt.
  • a piece of gum.
  • the weight of any US bill.

Does gas take the shape of its container?

Gases have the following characteristics: no definite shape (takes the shape of its container) no definite volume. particles move in random motion with little or no attraction to each other.

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Do gases occupy space?

The size of a gas particle is negligible as compares to the volume of the container in which the gas is placed. Gases are mostly empty space, and this is evident because gases can be easily compressed. It is easy to reduce the volume of a gas as compared to reducing the volume of a solid.

Why is gas measured in kg?

LPG Gas Measurement Unit for Weight – Why LPG is Measured in kg. LPG gas measurement is in a kg gas unit because the volume and pressure can be affected by temperature. LPG (propane) expands at 1.5% per 5.55°C temperature increase.

What is SI unit of gas?

The gas constant occurs in the ideal gas law: where P is the absolute pressure (SI unit pascals), V is the volume of gas (SI unit cubic metres), n is the amount of gas (SI unit moles), m is the mass (SI unit kilograms) contained in V, and T is the thermodynamic temperature (SI unit kelvins).

What is a unit of natural gas?

In the United States, natural gas can be priced in units of dollars per therm, dollars per MMBtu, or dollars per cubic feet. … Therefore, 100 cubic feet (Ccf) of natural gas equals 103,700 Btu, or 1.037 therms. One thousand cubic feet (Mcf) of natural gas equals 1.037 MMBtu, or 10.37 therms.

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