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murzikaleks [220]
3 years ago
12

ХИМИЯ СОЧ

Chemistry
2 answers:
andre [41]3 years ago
5 0

Answer:

thank you for free point

hodyreva [135]3 years ago
3 0
A,d,c,b,a :))))))))))))))))))))))))))
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What solid materials were dissolved in water?
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Explanation:

salt, sugar and coffee :)

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Two solid blocks are HEATED to the temperatures show. The blocks are placed so they touch. Which diagram shows the DIRECTION HEA
Setler [38]

Answer:

Heat flows from the block at high temperature to the one with lower temperature

Explanation:

The direction of heat flow is from a body at higher temperature to one with a lower temperature.

  • Temperature gradient determines the way and manner in which heat is dissipated.
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  • Heat movement here is by conduction as the body touches.
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Which of these is an example of a wetland area? A. marsh B. stream C. city park D. farm land
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Which statement describes the 3d, 4s, and 4p orbitals of Arsenic (As) based on its electronic configuration and position in the
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Answer:

The 3d and 4s orbitals are completely filled, and the 4p orbital is partially filled.

Explanation:

8 0
3 years ago
part of the SO2 that is introduced into the atmosphere by combustion of sulfur containing compounds ends up being converted to s
alisha [4.7K]

Answer:

5 mol.

Explanation:

Equation of the reaction

2SO2 + 2H2O + O2 --> 2H2SO4

By stoichiometry, 2 moles of SO2 reacted with 2 moles of water and 1 mole of O2 to give 2 mole of sulphuric acid.

Number of moles:

5.0 mol SO2

4.0 mol O2

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Calculating the limiting reagent,

5 mol of SO2 * 1 mol of O2/2 mol of SO2

= 2.5 mol of O2(4 mol of O2 is present)

5 mol of SO2 * 2 mol of H2O/2 mol of SO2

= 5 mol of H2O(20 mol of H2O)

SO2 is the limiting reagent.

Therefore, number of moles of H2SO4 = 5 mol of SO2 * 2 mol of H2SO4/2 mol of SO2

= 5 mol of H2SO4.

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