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nadezda [96]
2 years ago
15

How does government ensure a safe environment for inverters? ​

Chemistry
1 answer:
Anestetic [448]2 years ago
7 0

hope it helps please brainliest

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What two atoms are held together by a covalent bond in NaHCO3
gtnhenbr [62]

Answer: covalent bond is the force of attraction that holds together two atoms that share a pair of valence electrons. Covalent bonds form only between atoms of nonmetals. The two atoms that are held together in a covalent bond may be atoms of the same element or different elements.

Explanation:

8 0
2 years ago
Consider the two electron arrangements for neutral atoms A and B. What is the atomic number of A?
Andreas93 [3]
Your answer is B: The outer electron of Adam B has moved to a higher energy state
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3 years ago
Find the pH of a solution that has an H+ concentration of 2.5x10-3 M
Nastasia [14]

Answer:

The pH is 2, 60

Explanation:

The pH gives us an idea of the acidity or basicity of a solution. It is calculated as:

pH = -log (H +)= -log (2.5x10-3 )

<em>pH=2, 60</em>

7 0
2 years ago
A solution of ammonia and water contains 2.10×1025 water molecules and 7.10×1024 ammonia molecules. How many total hydrogen atom
Natali5045456 [20]

There are 6.33 × 10²⁵ hydrogen atoms in this solution in total.

<h3>Explanation</h3>
  • There are two hydrogen atoms in each water \text{H}_2\text{O} molecule.
  • There are three hydrogen atoms in each ammonia \text{NH}_3 molecule.

2.10 × 10²⁵ water molecules and 7.10 × 10²⁴ ammonia molecules will contain

2 \times 2.10 \times 10^{25} + 3 \times 7.10 \times 10^{24} = 6.33 \times 10^{25} hydrogen atoms in total.

8 0
3 years ago
Water comes from different a.levels b.phases c.sources d.stages​
bezimeni [28]

Answer:

C. sources

Explanation:

6 0
2 years ago
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