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What about this coardboard cube? What would you like to know? Its dimension

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Q: A coardboard cube constructed to have the same volume as 1mole of hydrogen at STP?
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The volume of 1mole of hydrogen bromide at STP is 22.4 liters The gram-formula mass of hydrogen bromide is 80.9 grams per mole What is the density of hydrogen bromide at STP?

The molar volume of a gas at STP is 22.4 liters/mol. The molar mass of hydrogen bromide is 80.9 g/mol. Therefore, the density of hydrogen bromide at STP is 80.9 g/mol / 22.4 L/mol = 3.61 g/L.


How can 1mole of hydrogen gas occupy 22.4ltrs of volume when you know that a gas occupies all the space available to it?

At standard temperature and pressure. This means that, more or less, there are 6.022 X 10^23 diatomic molecules of H2 in that much volume. ( the volume not being under more than standard pressure; 760mm/Hg ) In twice the volume about twice the molecules under STP.


Is 1 liter equal to 1 mole?

No. A liter is a volume measurement for fluids (liquids and gases). A mole is 6.022 x 1023 of anything. In gases at STP, 22.4L = 1mole.


How can you tell there is more oxygen in hydrogen peroxide than in water?

You can tell that there is more oxygen in hydrogen peroxide than in water because hydrogen peroxide has an extra oxygen atom compared to water. The chemical formula for hydrogen peroxide is H2O2, while the formula for water is H2O. This extra oxygen in hydrogen peroxide makes it a more oxidizing chemical compared to water.


How many moles of ammonium bromide can be produced from 250 moles of bromine and 600 moles of ammonia?

Ther answer is none! ammonium bromide is made from hydrogen bromide and ammonia NH3 + HBr = NH4Br i mole of each makes 1mole of ammonium salt.


How much volume does 1 mole of a gas occupy at NTP?

At NTP (standard temperature and pressure), 1 mole of any ideal gas occupies approximately 22.4 liters of volume.


How many particles are present in 1mole of a pure substance?

The number of Avogadro is 6,022 140 857(74).10e23.


How many moles of hydrogen sulfide are contained in a 64.6-g sample of this gas?

To find the number of moles of hydrogen sulfide, divide the given mass by the molar mass of hydrogen sulfide. The molar mass of hydrogen sulfide is approximately 34.08 g/mol. Thus, 64.6 g / 34.08 g/mol = 1.9 moles of hydrogen sulfide in the sample.


How many moles of gas does a steel cylinder witha volume of 45 liters contain at standard temp pressure?

At standard temperature and pressure (STP), the volume of 1 mole of gas is 22.4 liters. Therefore, a steel cylinder with a volume of 45 liters would contain 45/22.4 = 2.008 moles of gas.


What mass of hydrogen contains the same number of atoms as 7.00g of nitrogen?

The molar mass of hydrogen is approximately 1 g/mol and the molar mass of nitrogen is approximately 14 g/mol. Since nitrogen is 14 times heavier than hydrogen, equivalently, 7.00g of nitrogen contains the same number of atoms as 98.0g of hydrogen.


How do you calculate the number of atoms in a block of aluminum that is 2 cm x 4 cm x 1 cm?

To calculate the number of atoms in a block of aluminum, you would first find the volume of the block (2 cm x 4 cm x 1 cm) and then divide it by the volume of a single aluminum atom. Aluminum has a density of 2.7 g/cm³ and an atomic mass of 26.98 g/mol, allowing you to derive the molar volume and subsequently obtain the number of atoms in the block.


What is the mass of 1mole of mgso4?

120.4