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Masteriza [31]
3 years ago
5

CAN SOMEONE HELP ME WITH THESE QUESTIONS PLEASE

Chemistry
2 answers:
Leto [7]3 years ago
6 0

Answer:what was it so I can help u do u even got the answers yet I’ll tell you I’m not going to guess

1.

Explanation:

Nostrana [21]3 years ago
5 0
What are they? .............
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Determine whether each practice is recommended to keep a micropipette clean and functioning properly.
Natasha2012 [34]

Answer:

1. A

2. B

3. B

4. A

5. B

Explanation:

1. Recommended. That way cross-contamination is prevented.

2. Not recommended. The inner mechanism of the micropipette should not come in contact with any liquid whatsoever.

3. Not recommended. It contradicts statement 1.

4. Recommended. That way the micropipette remains completely vertical, minimizing the risks of being decalibrated.

5. Not recommended. If it lays on the bench it will be horizontal, thus contradicting statement 4.

8 0
3 years ago
Assuming that no equilibria other than dissolution are involved, calculate the concentration of all solute species in each of th
kirill [66]

Answer:

Explanation:

<u>a) AgCl(s) in 0.025 M NaCl</u>

Equation:  AgCl(s) ⇄ Ag⁺ (aq) + Cl⁻ (aq)

Initial conc :    S            O               O

equili conc :    O            S                S

                  NaCl(s) ⇒ Na⁺ (aq) + Cl⁻ (aq)

Initial conc :  0.025      0           0

equili conc :     0          0.025    0.025

Therefore the concentration:  Ag⁺ = 6.4 * 10^-9 M,  Cl⁻  = 0.025 M

attached below is the detailed solution of the

8 0
2 years ago
Why do atoms form Chemical Bonds ?​
klemol [59]

Answer:

Atoms form chemical bonds to make their outer electron shells more stable. The type of chemical bond maximizes the stability of the atoms that form it. Covalent bonds form when sharing atoms results in the highest stability. Other types of bonds besides ionic and covalent chemical bonds exist, too.

5 0
3 years ago
Read 2 more answers
Scientific experiments must be able to be repeated by multiple scientists to verify the results that are obtained. Which of the
solmaris [256]
Hi,

You didn't mention what "the following" were - please add additional information so the problem can be solved.


5 0
3 years ago
The bullet train was traveling at a speed of 200mi/hr for 2 hours. What
viva [34]

Answer:

Distance is speed x time

So 200 x 2 =400mi

7 0
3 years ago
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