A high altitude balloon contains 6.81 g of helium

Asked by admin @ 23/08/2021 in Hindi viewed by 273 People

11. A high altitude balloon contains 6.81 g of helium in 1.16 x 104 Lat –23°C. Assuming ideal gas behaviour, how many grams of helium would have to be added to increase the pressure to 4.0 x 10–3 atm?

Answered by admin @ 23/08/2021

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What tissue contains cells with a high concentration of mitochondria

Asked by admin @ 28/10/2021 in Biology viewed by 323 persons

What type of cells have a high concentration of mitochondria?

An aqueous solution containing 12.48 g of barium chloride

Asked by admin @ 23/08/2021 in Chemistry viewed by 331 persons

An aqueous solution containing 12.48g of barium chloride in 1.0 kg of water boils at 373.0832 K. calculate the degree of dissociation of barium chloride. (given, Kb for H2O=0.52 Kmolâ …

Why is helium used in balloons instead of hydrogen

Asked by admin @ 17/08/2021 in Chemistry viewed by 327 persons

Helium gas is used in gas balloons instead of hydrogen gas because it is (a) lighter than hydrogen (b) more abundant than hydrogen (c) noncombustible (d) more stable

Water containing high salt concentration can be purified by

Asked by admin @ 12/08/2021 in Science viewed by 379 persons

75.Water containing high salt concentration can be purified by.. (a) boiling(b) UV radiation(c) filtration(d) reverse osmosis

Why helium is used in balloons in place of hydrogen

Asked by admin @ 03/08/2021 in Physics viewed by 265 persons

Why helium is used in balloons in place of hydrogen?

How many helium atoms are in a 12.0 g sample

Asked by maham237 @ 20/06/2021 in Chemistry viewed by 301 persons

Collisions of helium atoms with the walls of a closed container cause

Asked by maham237 @ 26/12/2020 in Chemistry viewed by 285 persons

1. Collisions of helium atoms with the walls of a closed container cause (1 point) condensation. gas pressure. a decrease in volume. an overall loss of energy. 2. Which of …

At stp which sample contains the same number of molecules as 3.0 liters of h2(g)

Asked by maham237 @ 25/12/2020 in Chemistry viewed by 530 persons

At STP, which sample contains the same number of molecules as 3.0 liters of H2(g)? A) 1.5 L of NH3(g) B) 2.0 L of CO2(g) C) 3.0 L of CH4(g) …

What volume of a 0.540 m naoh solution contains 15.5 g of naoh?

Asked by maham237 @ 25/12/2020 in Chemistry viewed by 332 persons

How many helium atoms are there in a helium blimp containing 541 kg of helium?

Asked by maham237 @ 23/12/2020 in Chemistry viewed by 356 persons

Line gh contains points g(–2, 6) and h(5, –3). what is the slope of ?

Asked by maham237 @ 28/11/2020 in Mathematics viewed by 446 persons

Line GH contains points G(–2, 6) and H(5, –3). What is the slope ofGH ?

How many balloons can a 12 inch helium tank fill

Asked by admin @ 28/10/2021 in Chemistry viewed by 334 persons

How many 3-liter balloons could the 12-L helium tank pressurized to 160 atm fill? Keep in mind that an "exhausted" helium tank is not empty. In other words, once the …

Why is helium preferred to hydrogen for filling balloons

Asked by admin @ 23/08/2021 in Chemistry viewed by 332 persons

Why is helium preferred to hydrogen for filling balloons?

Why does a fountain pen leak at high altitude

Asked by admin @ 17/08/2021 in Science viewed by 290 persons

A fountain pen leaks at higher altitudes. Why?

A hot air balloon holds 2200 cubic meters of helium

Asked by maham237 @ 24/07/2021 in Mathematics viewed by 385 persons

The density of helium is 0.1785 kilograms per cubic meter. How many kilograms of helium does the balloon contain, rounded to the nearest tenth of a kilogram? (5 points) 2,199.8 …