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romanna [79]
3 years ago
10

When dissolved in aqueous solution, which pair would behave as a buffer?

Chemistry
1 answer:
Kobotan [32]3 years ago
3 0
Option D is our right answer.
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Na-23 has 12 neutrons.what is its atomic number?<br> A.11<br> B.12<br> C.23<br> D.34
Hitman42 [59]
Google says 11 lol full google answer:

Sodium-23 atom is the stable isotope of sodium with relative atomic mass 22.989770, 100 atom percent natural abundance and nuclear spin 3/2. A member of the alkali group of metals. It has the atomic symbol Na, atomic number 11, and atomic weight 23.
4 0
3 years ago
As a person coughs the CO^2 exits the lungs at speed of about 30m/s, what is the KE?
Sindrei [870]
Ke=(1/2)mv^2,   add up the mass of one carbon and two oxygen times it by velocity^2, divide by 2
7 0
4 years ago
Why do atoms always contain the same number of electrons and protons?
katovenus [111]

Answer:

An electron is a negatively charged subatomic particle and a proton is a positively charged subatomic particle. Positive charge(s) attract negative charge(s) and vice versa. The proton and neutron stay together and attract one another to give the atom an overall charge of zero (neutral). Which is the charge of an atom. When there is an unequal number of protons and neutrons an ion is formed. If the number of protons are more than the electron, a positively charged ion called cation is formed. On the other hand, if the number of electrons are more than the protons a negatively charged ion called anion is formed.

8 0
4 years ago
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If water and hydrogen peroxide both consist of hydrogen and oxygen atoms can you explain why they have different chemical and ph
liberstina [14]
Water is H2O, whereas Hydrogen Peroxide is H2O2 -> the extra oxygen atom changes the substance entirely.
7 0
3 years ago
A 800 kg car zooms away from a red light with an acceleration of 7.6 m/s2. What is the
aev [14]

Answer:

6080 N

Explanation:

From the question given above, the following data were obtained:

Mass (m) of car = 800 Kg

Acceleration (a) of car = 7.6 m/s²

Force (F) =?

The force experienced by the car can be obtained as illustrated below:

Force (F) = mass (m) × acceleration (a)

F = m × a

F = 800 × 7.6

F = 6080 N

Thus, the experience a force of 6080 N

6 0
3 years ago
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