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igor_vitrenko [27]
3 years ago
8

Which elements can form basic compounds?

Chemistry
1 answer:
Blababa [14]3 years ago
7 0
Hydrogen and Oxygen which equals H2O=water
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Which conclusion was a direct result of the gold foil experiment?
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They determined that (1) An atom is mostly empty space with a sense, positively charged nucleus, because most particles passed straight through the gold foil, but occasionally they would deflect, sometimes by a very large margin
3 0
3 years ago
The ksp of copper(ii) carbonate, cuco3, is 1.4 × 10-10. calculate the molar solubility of this compound.
mafiozo [28]
As,
                              CuCO₃    ⇆  Cu²⁺  +  CO₃²⁻
So,
                             Kc  =  [Cu²⁺] [CO₃²⁻] / CuCO₃
Or,
                             Kc (CuCO₃)  =  [Cu²⁺] [CO₃²⁻]
Or,
                             Ksp  =  [Cu²⁺] [CO₃²⁻]
As,
Ksp  = 1.4 × 10⁻¹⁰
So,
                            1.4 × 10⁻¹⁰  =  [x] [x]
Or,
                             x²  =  1.4 × 10⁻¹⁰ 
Or,
                             x  =  1.18 × 10⁻⁵ mol/L
To cahnge ito g/L,
                             x  =  1.18 × 10⁻⁵ mol/L × 123.526 g/mol

                   
         x  =  1.45 × 10⁻³ g/L
3 0
3 years ago
Tonga Trench<br> *<br> O convergent<br> O divergent<br> O transform
solmaris [256]

Tonga Trench is convergent.

  • In the western Pacific Ocean, there is a trench known as the Tonga Trench. It is the second-deepest trench on Earth after the Mariana Trench and the deepest in the Southern Hemisphere.
  • The Tonga Trench was created millions of years ago by a process known as subduction, in which two tectonic plates collide and push one under the other.
  • The Tonga Trench is 850 miles long and typically reaches depths of 20,000 feet.
  • From the southwest corner of the Kermadec Plate to the northwest point of the Tonga Plate, there is a convergent plate boundary known as the Kermadec-Tonga subduction zone.
  • The Tonga Trench's Horizon Deep, located at 23.25833°S 174.726667°W, is its deepest point.
  • There are numerous volcanoes in the Tonga Trench, both active and dormant, and it is prone to earthquakes and tsunamis.

Learn more about mariana trench here:

brainly.com/question/11444257

#SPJ9

7 0
2 years ago
Which statement about concentration cells is correct?
Liula [17]

b is the correct answer to that question

5 0
4 years ago
Necesito ayuda porfavor
AlexFokin [52]

Answer:

thank for the points ❤️

Explanation:

pa breinlyest po

8 0
3 years ago
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