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mr Goodwill [35]
3 years ago
11

Describe an object that is transparent. What quality makes it transparent?

Chemistry
1 answer:
lapo4ka [179]3 years ago
4 0

Answer: Water

Explanation: Water is an example of transparent because light can pass through it. Air is also an example.

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Compared to orange light, violet light
natulia [17]

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i think it was lll,lV ㄸㄸㅇㅊㅎㅍㅋ

5 0
3 years ago
PLS HELP Students in a chemistry class added 5 g of Zinc (Zn) to 50 g of hydrochloric acid (HCl). A chemical reaction occurred t
Vitek1552 [10]

Answer: In simplest case mass of reactants is same as mass of products.

Without thinking this question deeper, mass of ZnCl2 would be 49, but..

Explanation: Reaction should be  Zn + 2 HCl ⇒ ZnCl2 + H2

Amount of zinc is  5 g / 65,38 g/mol = 0,076476 mol and amount

of Hydrogen Chloride is 50 g / 36.458 g/mol = 1,371 mol.

Althought HCl is needed 0.152 moles, zinc is an limiting reactant.

So it is possible to produce only 0.076476 mol Hydrogen and its mass

is 0.154 g.  Mass of ZnCl2 would be 0.076476 mol · (65.38 + 2·35.45) =

 10.42 g

4 0
2 years ago
How many protons and neutrons are in the nucleus of zinc-72
Veronika [31]

Answer:

30 protons

Explanation: Each zinc isotope contains 30 protons, 30 massive, positively charged nuclear particles

30 protons, 34 neutrons, and 30 electrons.

3 0
2 years ago
According to Bernoulli's Principle, slower moving fluids exert ____________ pressure than faster moving fluids. (Fill in the bla
Mariana [72]
According to Bernoulli's Principle, slower moving fluids exert a lower or decreased pressure than faster moving liquids. 
7 0
3 years ago
20 POINTS! How many valence electrons does Iron (Fe) have? How do you know? - I believe it is 2 valence electrons, but I am not
AfilCa [17]

Answer:

Iron, or Fe, has 26 electrons, with two electrons in the outer valence shell. Iron is a transition metal and is both lustrous and easy to work with. Iron is also prone to rust, especially in damp environments. Iron is a ferrous metal, meaning that it can be magnetized.

Explanation:

8 0
3 years ago
Read 2 more answers
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