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Leokris [45]
4 years ago
15

What is magnesium used for in its pure form

Chemistry
1 answer:
Sloan [31]4 years ago
6 0

Answer: The pure metal has low structural strength, magnesium is mainly  used in the form of alloys- principally with 10% or less of aluminum, zinc, and manganese- to improve it's hardness, tensile strength, and ability to be cast, welded, and machined.

I hope this really helps you!!! :) And Have a fantastic day!!!

 

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How many moles of water are<br> in 1.23x10¹8 water molecules?<br> [ ? ]×10[?]
Sergio [31]

Answer:

2.04 x 10⁻⁶ moles H₂O

Explanation:

To find the moles H₂O, you need to multiply the given value by Avogadro's Number. This number is a ratio between molecules and moles, thus granting you the way to convert between both units. It is important to arrange the ratio in a way that allows for the cancellation of units. The final answer should have 3 sig figs to match the sig figs of the given value (1.23 x 10¹⁸ molecules).

Avogadro's Number:

6.022 x 10²³ molecules = 1 mole

1.23 x 10¹⁸ molecules H₂O                     1 mole
---------------------------------------  x  -------------------------------------  =  
                                                    6.022 x 10²³ molecules

=  2.04 x 10⁻⁶ moles H₂O

5 0
2 years ago
If the mother of a child is blood type O+ and the child is A-, what blood type would the father be?
blagie [28]

Answer:

b po

hope it helps

Explanation:

.........

3 0
4 years ago
A chemist requires 0.752 mol na2co3 for a reaction. how many grams does this correspond to?
Sliva [168]
<span>79.70 grams First, calculate the molar mass of Na2CO3 by looking up the molar mass of the elements used in it. Sodium = 22.989769 Carbon = 12.0107 Oxygen = 15.999 Multiply each molar mass by the number of atoms used, and sum the results to get the molar mass 2 * 22.989769 + 12.0107 + 3 * 15.999 =105.9872 Finally, multiply the molar mass by the number of moles you need. 0.752 * 105.9872 = 79.7024 grams</span>
8 0
3 years ago
The iupac name for ch3–ch2–c ≡ c–ch3 is ________
NNADVOKAT [17]
The IUPAC name of the compound <span>ch3–ch2–c ≡ c–ch3 is PEN-2-YNE or 2-PENTYNE.

Attached below is a diagram that fully explains how the name was given and derived.</span>

7 0
4 years ago
Which option correctly compares beta decay and gamma decay? (1 point)
timofeeve [1]

The <u>option which correctly compares beta decay and gamma decay</u> is Beta-decay releases a particle, while gamma decay only reduces the energy level. Beta-decay is a form of nuclear fission, but gamma decay is not.

Beta decay is a form of radioactivity in which an electron is released. The electron could be positively charged(positron) or negatively charged.

Also, beta decay also occurs when there is nuclear fission of a substance in which a larger atom breaksdown into a smaller atom and releases energy.

Gamma decay is a form of radioactivity in which photons are released without the release of a particle from the atom.

Since a photon is released, only the energy level of the atom reduces and is thus not a form of nuclear fission

So, the <u>option which correctly compares beta decay and gamma decay</u> is Beta-decay releases a particle, while gamma decay only reduces the energy level. Beta-decay is a form of nuclear fission, but gamma decay is not.

Learn more about beta and gamma decay here:

brainly.com/question/13886367

4 0
3 years ago
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