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N76 [4]
3 years ago
9

Molecules are packed tigghtly together

Chemistry
1 answer:
Tju [1.3M]3 years ago
4 0
Yes molecules are tightly together. Hope this helps
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The atomic bomb detonated in 1945 produced an explosion equivalent to 18,600 tons of TNT from 5 kg of _____.
kvasek [131]
JAPAN GOT NUKED LOL its so funny
3 0
3 years ago
A neutral isotope has a mass number of 65 and 36 neutrons. Identify the element symbol of this isotope and determine the number
ValentinkaMS [17]

Answer:

Is an isotope of Cu (Copper)

Explanation:

Remember that the mass number will tell you the number of protons and neutrons. If you have the mass number(65) and the number of neutrons (36), you just need to subtract: 65 - 36 = 29 the number or protons.

As this is a neutral isotope, that means that is going to have the same number of protons and electrons, that is 29.

7 0
3 years ago
Read 2 more answers
Please help...awarding brainliest if correct and lots of points.
abruzzese [7]

Silver chloride produced : = 46.149 g

Limiting reagent : CuCl2

Excess remains := 3.74 g

<h3>Further explanation</h3>

Reaction

silver nitrate + copper(II) chloride ⇒ silver chloride + copper(II) nitrate

Required

silver chloride produced

limiting reagent

excess remains

Solution

Balanced equation

2AgNO3 (aq) + CuCl2 (s) → 2AgCl(s) + Cu(NO3)2(aq)

mol AgNO3 :

= 58.5 : 169,87 g/mol

= 0.344

mol CuCl2 :

=21.7 : 134,45 g/mol

= 0.161

mol ratio : coefficient of AgNO3 : CuCl2 :

= 0.344/2 : 0.161/1

= 0.172 : 0.161

CuCl2  as a limiting reagent

mol AgCl :

= 2/1 x 0.161

= 0.322

Mass AgCl :

= 0.322 x 143,32 g/mol

= 46.149 g

mol remains(unreacted) for AgNO3 :

= 0.344-(2/1 x 0.161)

= 0.022

mass AgNO3 remains :

= 0.022 x 169,87 g/mol

= 3.74 g

8 0
3 years ago
Predict which of the two orders is preferred. Choose one: HOCl is the preferred arrangement. HClO is the preferred arrangement.
Artyom0805 [142]

Answer:

HOCl is the preferred arrangement.

Explanation:

Hypochlorous acid (HOCl or HClO) is a weak acid that contains Hydrogen, Chlorine and oxygen. Generally both are accurate molecular formulars as hey show the exact number of atoms of elements present in the compound.

However the preferred formular is HOCl. The reason for this is because HOCl implies the molecular structure (that is, how the atoms are bonded to each other). The H is bonded to the O and the O in turn is being bonded to the Cl. HClO on the other hand says nothing about the molecular structure.

4 0
3 years ago
This is the thinner layet of earths lithosphere that forms the surface under the ocean basins
sineoko [7]
It is the Oceanic crust.
3 0
3 years ago
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