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tamaranim1 [39]
2 years ago
14

Plssss help i am giving out a lot of points

Chemistry
1 answer:
Kruka [31]2 years ago
7 0
Think the answer is zinc + hydrochloride acid zinc choride and hydrogen gasZn + 2HCI - ZnCI2 + H2 sorry I took so long I was trying to get this answer hope this helps.
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When assigning electrons to orbitals, which would be the most likely 'address' for the next electron following the 5s2 electron?
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Describe how the Sun and Earth formed.
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When the solar system settled into its current layout about 4.5 billion years ago, Earth formed when gravity pulled swirling gas and dust in to become the third planet from the Sun. Like its fellow terrestrial planets, Earth has a central core, a rocky mantle and a solid crust.

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Dew forming on grass is an example of condensation true or fales and explain
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How might a molecule with two strong bond dipoles have no molecular dipole at all?
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 A molecule with two strong bond dipoles can have no molecular dipole if the bond dipoles cancel each other out by pointing in exactly opposite directions. For example, in carbon dioxide (a linear molecule), the carbon-oxygen bonds have a <span>large dipole moment. However, because one dipole points to the left and the other to the right the dipole is cancelled.</span>
5 0
3 years ago
You weigh a 24K gold chain and find that it weighs 400 grams. Determine home many moles of gold atoms you have
makkiz [27]

Answer:

                     2.03 moles of Gold

Explanation:

                     Gold is one of the most precious metal metal used in many applications and mainly as a jewellery. In terms of purity it is categorized in Karats. 24 Karat is considered the purest Gold (i.e. 100 % Gold) while other Karats (14, 18, 22 e.t.c) are alloys with other metals and gyms.

Data Given:

                 Mass of Gold  =  400 g

                 A.Mass of Gold  =  196.97 g.mol⁻¹

Calculate Moles of Gold as,

                              Moles  =  Mass ÷ M.Mass

Putting values,

                              Moles  =  400 g ÷ 196.97 g.mol⁻¹

                              Moles  =  2.03 moles of Gold

4 0
2 years ago
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