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olga55 [171]
3 years ago
13

What does pH measure?

Chemistry
2 answers:
Bingel [31]3 years ago
8 0
Number three is the right answer!
Cerrena [4.2K]3 years ago
7 0

Answer:

Number 3,Concentration of hydrogen ions in solution.

Brainliest would be appreciated :))

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An economical substitute for vitreous silica is a high-silica glass made by leaching the B2O3-rich phase from a two-phase borosi
stich3 [128]

Answer:48kg of SiO2, 0.5kg of Al2O3, and 1.5kg of B2O3

Will be the final product

Explanation:

I) 96wt% of SiO2 will amount to 96/100*50 = 0.96*50=48kg of SiO2

ii) 1wt% of Al2O3 will amount to 1/100*50 = 0.01*50=0.5kg of Al2O3

III) 3wt% of B2O3 will amount to 3/100*50 = 0.03*50=1.5kg of B2O3..

The overall product form 48+ 0.5+1.5= 50kg

7 0
3 years ago
How many atoms in 1kg of platinum<br> a 2.5x10^24<br><br> b 3.1x10^24
Nutka1998 [239]

Answer:

3.1x10^24 it will be in 1 kg of platinum

6 0
3 years ago
Which feature is most likely found at a divergent boundary?
kkurt [141]

Answer:

Fault-block mountain

In geography, fault-block mountains arise when the Earth's crust pulls apart and divides. Some parts of the Earth are pushed upwards whereas the other moves downward forming a divergent boundary. In geological studies, a divergent boundary can be described as a linear feature which arises due to plate tectonics which are being pulled apart from each other. Hence, fault-block mountains are most likely to be seen in a divergent boundary.

Most active divergent plate boundaries occur between oceanic plates and exist as mid-oceanic ridges. Divergent boundaries also form volcanic islands, which occur when the plates move apart to produce gaps that molten lava rises to fill.

7 0
3 years ago
Read 2 more answers
What is the Lewis structure of Nitrogen triiodide?
azamat
Ni3 Lewis diagram below.

4 0
3 years ago
Process A: A + B --&gt; C   dG = 101.3 kJ/mol
Ber [7]
<h3><u>Answer;</u></h3>

D. Process B, because it is a spontaneous process.

<h3><u>Explanation</u>;</h3>
  • A spontaneous process is one that will occur without any energy input from the surroundings.
  • A spontaneous reaction may involve an increase or decrease in enthalpy, it may involve an increase or decrease in entropy, but it will always involve a decrease in free energy that is a negative ΔG.
  • Therefore; process B is spontaneous since it has a negative ΔG
7 0
3 years ago
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