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Ray Of Light [21]
1 year ago
10

Need help answering this question

Chemistry
1 answer:
a_sh-v [17]1 year ago
4 0

Answer:

1st = saturated

Explanation:

Bro first ka answer saturated he

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What is the difference between intrusive igneous rocks and extrusive igneous rocks? We just learned this and I still don’t know
Reil [10]
The major visible difference between<span> the two are crystal size, </span>intrusive rocks<span> have a larger crystal/grain texture due to the slow cooling of magma below the earth surface which encourages the growth of larger crystals, while </span>extrusive rocks<span>, because of the rapid cooling at/above the earth's surface does the opposite. Hope I helped</span>
7 0
3 years ago
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How many moles are 4.20 * 10 ^ 25 atoms of Ca?
aleksandr82 [10.1K]

Answer:

~69.744 moles of Ca

Explanation:

Using Avogadro's constant , we know that:

1 mole = 6.022 x 10^23 atoms

S0, the number of moles in 4.20 x 10^25 atoms of Ca:

=(4.20 x 10^25 x 1 )/(6.022 x 10^23)

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Q2:How many atoms are in 0.35 moles of oxygen?

1 mole = 6.022 x 10^23 atoms

S0, the number of atoms in 0.35 moles of  oxygen:

=[0.35 x (6.022 x 10^23)]

=2.1077 x 10^23 atoms of Oxygen

Hope it helps:)

4 0
2 years ago
Which compound contains both ionic and covalent bonds?
slava [35]
<span>Answer is </span>(3) - Sodium Nitrate.<span>

</span>Normally ionic bonds can be seen between metals and non-metals while covalent bonds present between non-metals. Another thing that determines the bond nature is electronegativity value of the atoms. If the electronegativity difference is high, then that bond tends to be an ionic bond.<span>
 
</span><span>Sodium nitrate consists of </span>Na⁺<span> and </span>NO₃⁻ ions. Hence, the bond between Na⁺ and NO₃⁻<span> is an </span>ionic bond. <span><span>

NO</span>₃⁻ </span><span>is made from </span>N <span>and </span>O<span>. Both are </span>non-metallic atoms. <span>The </span>electronegativities <span>of </span>N <span>and </span>O <span>are </span>3.0 <span>and </span>3.5 <span>respectively. Hence, there is </span>no big difference between electronegativity values (3.5 - 3.0 = 0.5<span>). Hence, the bond between N and O is a </span><span>covalent bond. </span>
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3 years ago
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What factor would affect the pH of a waterway?
just olya [345]
Acid Rain. Hope i helped you!
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How are microwaves produced?
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They are produced by vacuum tubes devices that operate on the ballistic motion of electron controlled by electric fields
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