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laila [671]
3 years ago
7

If the temperature of an area drops 8 degrees from one day the next the climate has changed.

Chemistry
1 answer:
vlabodo [156]3 years ago
3 0
I would say false hope that helped
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Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid, HCl(aq), as
zubka84 [21]

Answer:

Explanation:

MnO₂(s) + 4 HCl(aq)  = MnCl₂(aq) + 2 H₂O(l) + Cl₂

87 g                                                                     22.4 x 10³ mL

volume of given chlorine gas at NTP or at 760 Torr and 273 K

=  175 x ( 273 + 25 ) x 715 / (273 x 760 )

= 179.71 mL

22.4 x 10³ mL of chlorine requires 87 g of MnO₂

179.4 mL of chlorine will require    87 x 179.4 / 22.4 x 10³ g

= 696.77 x 10⁻³ g

= 696.77 mg .

6 0
3 years ago
Chemistry is: a) the mystical search for the elixir of life. b) speculation about the nature of matter. c) the study of matter a
Yuki888 [10]

Answer:

c) the study of matter and the changes it undergoes

Explanation:

Chemistry -

It is the sub topic of science , dealing with the study of matter , the properties of matter , the type of interaction between the particles of matter , the reason for the particle of matter to combine and separate in order to form new substance .

The basic concepts of chemistry are applicable on the day to day activities.

Hence, from the given options , the correct statement is c) the study of matter and the changes it undergoes.

7 0
3 years ago
Why the bonds between nonmentals tend to be covalent
natita [175]
Ionic bonds form when a nonmetal and a metal exchange electrons, while covalent bonds form when electrons are shared between two nonmetals. An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions.
7 0
3 years ago
Maya adds six grams of sugar to water bottle containing 14 g of warm water what is the total weight of the sugar and water
V125BC [204]

Answer:

20g

Explanation:

14g+6g=20g

4 0
3 years ago
What form of waste cannot be recycled to make new products?
skelet666 [1.2K]
~Hello there! ^_^

Your question: What form of waste cannot be recycled to make new products..?

Your answer: Food is a form of waste that cannot be recycled to make new products.

Happy Studying! =)


4 0
3 years ago
Read 2 more answers
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