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Aleonysh [2.5K]
3 years ago
13

Why aluminium is used to make aeroplanes​

Chemistry
1 answer:
liberstina [14]3 years ago
6 0

Answer:

Aluminum (blended with small quantities of other metals) is used on most types of aircraft because it is lightweight and strong. Aluminum alloys don't corrode as readily as steel. It has also been used for the skin of some high-speed airplanes, because it holds its strength at higher temperatures better than aluminum.

HOPE THIS HELPED!!!!!!!!!XDDD

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Give the name of the following molecule. A compound with a total of 10 carbons with one double bond and the rest single bonds. T
soldier1979 [14.2K]
Answer:
           The IUPAC name of compound is 6-Ethyl-2-Octene.

Explanation:

First of all draw a straight chain of 8 carbon atoms.

Make a double bond between carbon number 6 and 7 numbering from left.

Add ethyl group at position 3 starting from left.

The structure sketched is attached below,

According to rules the longest chain containing a double bond is selected. Numbering is started from the end to which double bond is nearer. So, in our case the double bond starts at carbon 2, hence parent name of compound is 2-Octene. Then the substituent at position 6 is named.

5 0
3 years ago
Which sequence correctly ranks elements from largest to smallest atomic radius?
Taya2010 [7]

Answer:

\A.

Explanation: Bromine and arsenic have the same atomic radius, which is 115 and Potassium has an atomic radius of 220.

8 0
3 years ago
How will you know whether a solution is saturated or supersaturated?
pshichka [43]

You tell tell if a solution is supersaturated if it cannot dissolve any more solute at any given temperature. You can not “mix” the solution anymore to dissolve the solute. If it is saturated, you would be able to dissolve the solute.

6 0
4 years ago
If one of the reactants in a reaction is Na2O, what is known about the products? A.There is not enough information to say anythi
NISA [10]

D.The products will have at least 2 Na atoms and 1 O atom.

<h3>Further explanation </h3>

Conservation of mass states that  

<em>In a closed system, the masses before and after the reaction are the same </em>

So it can be concluded

  • mass of the reactants = mass of the products
  • mass cannot be created or destroyed
  • The number of atoms involved in a reaction remains the same⇒ number of moles also the same
  • chemical equation in balanced form

So the number of atoms in reactants and products remains the same

Because one of the reactants in a reaction is Na₂O, so <em>The products will have at least 2 Na atoms and 1 O atom.</em>

6 0
4 years ago
Read 2 more answers
Which two Statements explain how a cells parts help it get nutrients.
Shalnov [3]

Answer:

The mitochondria change energy in organic compounds into a

form the cell can use.

The chloroplasts take in energy from sunlight and change it into

organic matter.

Explanation:

8 0
3 years ago
Read 2 more answers
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