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asambeis [7]
3 years ago
14

I need help with 1-6

Chemistry
2 answers:
kykrilka [37]3 years ago
6 0

Answer: -5

Explanation: you can not subtract a higher number from a lower as that doesn't work so you need to subtract 6 off 1 which equals -5.

kramer3 years ago
4 0
I rly don’t know but if I can help with anything else I will let you know
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Without doing any calculations, determine which of the following solutions would be most acidic.
Murljashka [212]

Answer:

In the first combination neutralization takes place to give a salt. So, solution 'a' is neutral in nature.

In the solution 'c', both salts are resulted by the combination of weak base and strong acid. The combination of these salts suppresses the acidity.

In last combination basic nature is observed due to the presence of CN⁻ ions. Thus, the solution 'd' is basic in nature.

Out of the five given solutions, 0.0100 M in HF and 0.0100 M in KBr is most acidic.  Therefore, solution 'b' is most acidic in nature.

Explanation:

5 0
4 years ago
Whether or not the process is observed in nature, which of the following could account for the transformation of gallium-67 to z
Sonja [21]

Answer:

Option a: positron emission.

Explanation:

In the transformation we have:

⁶⁷Ga  →  ⁶⁷Zn  

The reaction is:

^{67}_{Z}X \rightarrow ^{67}_{Z -1}Y

For Ga to become Zn, the atom nucleus has to lose a proton, so in the given options, the reaction that involves the transformation of a proton is the option a, positron emission.

In a positron emission, a proton becomes into a neutron and a positron:

^{A}_{Z}X \rightarrow ^{A}_{Z-1}Y + ^{0}_{+1}e

Therefore, the correct answer is option a: positron emission.

I hope it helps you!

7 0
3 years ago
What animals use the earths magnetic field for navigation
Ivenika [448]
Birds use the magnetic fields and some fish i believe as well and maybe butterflies im not entirely sure <span />
6 0
3 years ago
What is the formula unit for Li and O?
Margarita [4]

The formula unit for Li and O is —————-> Li2O

4 0
3 years ago
The protection of animals, plants, and natural resources
In-s [12.5K]

Answer:

The protection of animals, plants, and natural resources

D. conservation

(for science)

Explanation:

Brainlist plz

5 0
3 years ago
Read 2 more answers
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