# What is the density of helium?

## What is the density of helium?

Chemical properties of helium – Health effects of helium

Atomic number 2
Density 0.178*10 -3 g.cm -3 at 20 °C
Melting point – 272.2 (26 atm) °C
Boiling point – 268.9 °C

How much does helium gas weigh?

Helium is less dense than air. Helium has 0.0114 pounds per cubic foot.

What is the volume of 1 kg helium?

The volume of 1 kg of helium in a piston-cylinder device is initially 5 m^3. Now helium is compressed to 2 m^3 while its pressure is maintained constant at 130 kPa.

### How heavy is helium per cubic meter?

Helium Conversion Data

Helium Weight Gas
Pounds Cubic Meters
LB Sm3
1 Pound 1 2.736
1 Kilogram 2.205 6.039

Is helium denser than air?

If you’ve ever accidentally let go of a helium-filled balloon while outdoors, then you know that some gases are less dense than others. In the case of your helium balloon, it most likely floated away before you could catch it because helium is much lighter (or less dense) than the air in our environment.

What is the density of helium in g mL?

0.1248 g/ml

Molecular Weight: 4.0026
Specific Gravity, Gas @ 32° F., 1 atm. (Air = 1): 0.137
Density, Gas @ b.p..: 0.0164 g/ml
Density, Liquid @ b.p..: 0.1248 g/ml
Critical Temperature: -450.2 ° F

#### How do you weigh helium?

For one, you could look up the density of helium in a balloon, then multiply it by the volume you’d need so that it weighs five pounds. In air, helium has a density of 0.2 kilograms/cubic meter, so you’d need about 11 cubic meters of helium to weigh five pounds, which would be a balloon about three meters across.

Does a tank of helium weigh more full or empty?

When the helium is compressed it becomes more dense and heavier than the air outside the tank so it weighs more. Answer has 3 votes. When a gas cylinder is emptied, NO air gets into it.

How much can 1Kg helium lift?

Re: How much helium do one need to lift 1Kg As it turns out the answer is 166grams of helium.

## How much helium does it take to lift 50kg?

If you weigh 50 kilograms (about 110 pounds), then you weigh 50,000 grams. Divide your 50,000 grams by the 14 grams per balloon and you find that you need 3,571.42 balloons to lift your weight.

How heavy is liquid helium?

Molecular Weight: 4.0026
Density, Liquid @ b.p..: 0.1248 g/ml
Critical Temperature: -450.2 ° F
Critical Pressure: 33.22 psia
Critical Density: 0.0693 g/ml

What weight can helium lift?

A standard helium balloon can lift approximately 0.03 pounds or 14 grams. However, this depends on several factors, such as the weight and size of the balloon itself and the string.

### How do you calculate the density of helium?

Density of Helium in a few select units of density measurement:

• Density of Helium g cm3 = 0.00018 g/cm³
• Density of Helium g ml = 0.00018 g/ml
• Density of Helium g mm3 = 1.79 × 10 -7 g/mm³
• Density of Helium kg m3 = 0.18 kg/m³
• Density of Helium lb in3 = 6.45 × 10 -6 lb/in³
• Density of Helium lb ft3 = 0.011 lb/ft³
• How dense is helium compared with air?

Even taking into account the weight of the rubber balloon, the helium balloon floats on the air and is less dense than the air. The air filled balloon sinks because the weight of the rubber balloon makes is slightly heavier and thus more dense.

What is an element denser than helium?

The gaseous state of water is lighter than air (density 0.804 g/L at STP, average molecular mass 18.015 g/mol) due to water’s low molar mass when compared with typical atmospheric gases such as nitrogen gas (N 2). It is non-flammable and much cheaper than helium. The concept of using steam for lifting is therefore already 200 years old.

#### Is helium dense or less dense than water?

Helium is less dense than air even when the helium has the same temperature as the surrounding air. A helium-filled balloon doesn’t need to warmed up in order to rise. We dunk the helium-filled balloon into some liquid nitrogen to cool it and to cause the density of the helium to increase.