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Kaylis [27]
3 years ago
12

Difference between Aluminum and Duralumin​

Chemistry
1 answer:
inessss [21]3 years ago
4 0
Aluminum is the pure metal element from which the Duralumin alloy is made.

Duralumin contains aluminum and copper. An alloy developed first by a German metallurgist. Dura is actually part of the trade name: dura for durable.

More durable than raw aluminum it is used in airplane frames, laminated with coat of aluminum. Combining strength of the alloy and corrosion resistance of pure aluminum.
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How many grams of salt are in 1 kilogram of seawater with average salinity? quizzlet?
Degger [83]
<span>35 grams The average salinity of seawater is 35 parts per thousand, so multiply the mass of seawater provided by 0.035 and you'll get the amount of salt (mostly sodium chloride) dissolved in it. So 1000 g * 0.035 = 35 g Therefore in 1 kilogram of seawater with average salinity, there is 35 grams of salt.</span>
5 0
3 years ago
Which statements accurately describe volume? Check all that apply. Volume is a physical property of an object. Volume is measure
Alex17521 [72]

Answer:

- Volume is a physical property of an object.

- One unit of volume is the milliliter.

- Liquids and solids have constant volumes.

Explanation:

5 0
3 years ago
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S + 02<br> C + 02<br> Cu0 + H2SO4
vlabodo [156]

Answer:

S + 02= S0 - 4 e- → SIV (oxidation); 2 O0 + 4 e- → 2 O-II (reduction)

C + 02= C

Cu0 + H2SO4= CuO + H2SO4 → CuSO4 + H2O

6 0
3 years ago
Three isotopes of oxygen are oxygen-16 oxygen-17 and oxygen-18. Write the symbol for each, including the atomic number and mass
notsponge [240]
<span>The notation of the isotopes using the atomic number and the mass number consists of the symbol of the atom, preceded by the mass number as a superscript and the atomic number as a superscript.

All the isotopes of the same element have the same atomic number. They only vary the mass number.

So, all the isotopes of oxygen have atomic number 8.

The isotope oxygen-16 has mass number 16, so it is written with the symbol O preceded by the number 16 as a superscript and the number 8 as a subscript (the two numbers to the right of the chemical symbol).

The isotope oxygen-17 has mass number 17, so it is written with the symbol O preceded by the number 17 as a superscript and the number 8 as a subscript.

The isotope oxygen-18 has mass number 18, so it is written with the symbol O preceded by the number 18 as a superscript and the number 8 as a subscript.</span>
4 0
3 years ago
Hydrogen reacts with an element to form a compound. Which element would have the most valence electrons and also be able to reac
pantera1 [17]

Answer:

Chlorine

Explanation:

Hello.

In this case, for the given elements, we are able to know that oxygen has 6 valence electrons, chlorine 7, nitrogen 5 and neon 8, therefore neon is not able to react as it already has 8 valence electrons. Besides, the element having the most valence electrons is chlorine and its reaction with hydrogen forms hydrogen chloride as shown below:

H_2(g)+Cl_2(g)\rightarrow 2HCl(g)

Therefore, the required element is chlorine.

Regards.

5 0
3 years ago
Read 2 more answers
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