If a gas A is 9 times as heavy as hydrogen,which will diffuse faster and by what factor?

Answers

Answer 1

Answer: I know gas will diffuse faster

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Sodium(na) is a highly reactive metal and chlorine is a poisonous gas. Which compound do they form when they chemically combine?

Answers

Sodium lose one electron and convert into sodium ion Na+

Chlorine lose one electron and form Cl- ion

When these ions come together they from an ionic compound NaCl,

table salt

The ionic compound which consist ionic bond. The ionic bond is a type of bond which formed between positive and negative ions or metal, sodium and non-metal , chlorine

It would form into NaCl because Na has a +1 charge while Cl has a -1 charge.

Help me with this please!!

Answers

heterogeneous mixtures are those that are mixed, but not evenly. so you can see the different parts. compound is something made up of 2 or more elements. so, K will be a compound, as they are giving you the chemical formula, and showing there are 2 elements. and L is the heterogeneous mixture, as, even though it is crushed, the rocks can be picked apart.

How many sex chromosomes would be present in an individual with 80 chromosomes?A)2
B)1
C)39
D)40

Answers

Answer:

D) 40

Explanation:

The number of sex chromosomes in an organism is half the number of chromosomes the individual has.

So if the individual has 80 chromosomes, they’ll have 80/2 =40 sex chromosomes.

Answer:

A)2

Explanation:

Spheres of earth erupting volcano releasing water vapor Into the air

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its hydrosphere. because it only sphere containing water

Why does methane have a low boiling pint?

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Methane is an alkane. Alkanes are composed of a number of carbons (denoted by the prefix on the chemical name, e.g. meth-ane, eth-ane, prop-ane, but-ane...) which are saturated with hydrogen atoms (the largest number of hydrogens possible are bound to them). Methane has one carbon, which is saturated with 4 hydrogen atoms - this means that the chemical formula is CH4 (where the 4 should be subscript, but I can't work it out in this text field).

The boiling point depends on the strength of the intermolecular forces between each molecule - as the length of the molecule increases, so does the force of attraction between them because there are more points to attract together. Methane has a very short chain length of only 1 carbon, so the intermolecular forces are very weak. Because the forces are weak, very little energy is required to overcome them to allow the substance to become gaseous (gas molecules spread out to fill any space, requiring a negligible strength of intermolecular forces).

Consequently the boiling point of methane is so low that it is found in gaseous form almost all of the time on Earth - however Titan, one of the moons of Saturn, has seas of methane on its surface, because it is so cold there that it is possible for methane gas to condense into liquid.

In order to consider the boiling point of a substance, we need to think about the forces holding the molecules together. Because methane (CH4) is a non-polar molecule the molecules are held together only by London Dispersion Forces which are very weak and easy to break. These bonds break when methane boils and because they are weak, it boils at a low temperature.

How could you tell whether a liquid is
honey or vinegar?

Answers

By it's color, texture, smell and the way it taste...

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