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MariettaO [177]
3 years ago
6

Which best describes the transfer of heat due to the movement of gases or liquids?

Chemistry
2 answers:
AnnyKZ [126]3 years ago
8 0
Radiation


The transfer of heat due to the movement of gases or liquids is radiation
labwork [276]3 years ago
6 0

Answer:

Convection

Explanation:

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Which of the following is the correct structure of 2-methyl-3-heptene
astraxan [27]

Answer:

answer d

Explanation:

methy group is in the second position while the double bond is in the third position

8 0
3 years ago
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When nitrogen gas reacts with hydrogen gas, ammonia gas is formed. how many grams of hydrogen gas are required to react complete
aniked [119]
The balanced equation for the formation of ammonia is as follows
N₂ + 3H₂ ---> 2NH₃
stoichiometry of N₂ to H₂ is 1:3
we need to find the moles of N₂, volume of N₂ has been given 
molar volume is where 1 mol of any gas occupies a volume of 22.4 L at STP.
if 22.4 L is occupied by 1 mol 
then 3.5 L of gas is occupied by - 3.5 L / 22.4 L/mol = 0.16 mol 
number of moles of N₂ present - 0.16 mol
1 mol of N₂ requires 3 mol of H₂
therefore 0.16 mol of N₂ requires - 3 x 0.16 = 0.48 mol of H₂
mass of H₂ required - 0.48 mol x 2 g/mol = 0.96 g
0.96 g of H₂ is required
3 0
4 years ago
A sample of gas at 47C and 1.5 pressure occupies a volume of 2.20L. What volume would this gas occupy at 107C and 2.5 pressure?
Brums [2.3K]

Answer:

Explanation:

21

8 0
3 years ago
To which of the third period element does this belong
Mrac [35]

Explanation:

A period 3 element is one of the chemical elements in the third row (or period) of the periodic table of the chemical elements. The periodic table is laid out in rows to illustrate recurring (periodic) trends in the chemical behaviour of the elements as their atomic number increases: a new row is begun when the periodic table skips a row and a chemical behaviour begins to repeat, meaning that elements with similar behaviour fall into the same vertical columns. The third period contains eight elements: sodium, magnesium, aluminium, silicon, phosphorus, sulfur, chlorine, and argon. The first two, sodium and magnesium, are members of the s-block of the periodic table, while the others are members of the p-block. All of the period 3 elements occur in nature and have at least one stable isotope.[1]

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3 years ago
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The blank of an element is the average mass of all isotopes of that element
Oxana [17]
Atomic mass is the answer 

if u hav any  more questions in chemistry ask me! I am very good at chemistry.
6 0
3 years ago
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