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Lostsunrise [7]
3 years ago
6

Is it called when a substance enters a gaseous phase without boiling?

Chemistry
2 answers:
Helen [10]3 years ago
3 0

Answer:

its called sublimation

algol133 years ago
3 0

Answer:

Boiling is a phase transition from the liquid phase to the gas phase that ... in what is called the “escaping tendency” of the molecules from the phase. ... into the gas phase from a solid or liquid by placing the substance in a closed, ... Gradually, Pw will rise as molecules escape from the liquid phase and enter the vapor phase.

Explanation:

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What is the difference between an atom and an element?
Travka [436]

Answer:

A particular atom will have the same number of protons and electrons and most atoms have at least as many neutrons as protons. An element is a substance that is made entirely from one type of atom

Explanation:

so In simple terms an atom contains Protons and Electrons and can be found in an Element, but an element comprises of atoms which come together to form up that particular Element

4 0
3 years ago
What is the difference between Temperate grassland and Desert????????
Alex

Answer:

i think one has grass

Explanation:

8 0
2 years ago
Read 2 more answers
How many atoms are in a sample of chromium with a mass of 31 grams? O a 2.4 x 1024 atoms of chromium b 3.6 x 1023 atoms of chrom
lukranit [14]

Answer:

b. 3.66x10²³ atoms of chromium.

Explanation:

First we calculate how many moles are there in 31 grams of chromium, using its molar mass:

  • Molar Mass of Chromium = 51 g/mol (This can be found on any periodic table)
  • 31 g ÷ 51 g/mol =  0.608 mol

Then we <u>calculate how many atoms are there in 0.608 moles</u>, using <em>Avogadro's number</em>:

  • 0.608 mol * 6.023x10²³ atoms/mol = 3.66x10²³ atoms

The correct answer is thus option b. 3.66x10²³ atoms of chromium.

4 0
2 years ago
In this case you have unlimited iron, but only 6.40 moles of oxygen (O2). How much Fe2O3 can you produce?
vlada-n [284]

Answer:

wattter

Explanation: H20 jk lma++ooo

7 0
3 years ago
4. The compound iron sulfide can be formed by
VladimirAG [237]

Answer:

heating :))))))))))))))

Explanation:

the same as the last answer i posted... sorry it just came up in my recommended questions to answer

6 0
2 years ago
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