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ELEN [110]
3 years ago
7

An atom contains 22 protons and 26 neutrons. What is its atomic number?

Chemistry
1 answer:
Andrej [43]3 years ago
3 0

Answer:

the atomic number is 22

Explanation:

titanium is 22 on the periodic table. the amount of protons is the same as the atomic number

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Write the Henderson-Hasselbalch equation for a propanoic acid solution (CH3CH2CO2H, pKa = 4.874) using the symbols HA and A–, an
Luden [163]
The Henderson-Hasselbalch approximation is for conjugate acid-base pairs in a buffered solution. We're going to call HA a weak acid, and A- its conjugate base. The equation is as follows:
pH = pKa + log([base]/[acid]), where the brackets imply concentrations
Plugging in our symbols and the pKa value, the equation becomes:
pH = 4.874 + log([A-]/[HA])
7 0
3 years ago
If you are operating a power driven vessel that is underway in conditions of restricted visibility, what should you do
swat32
If you are operating a power driven vessel that is underway in condition of restricted visibility, you are expected to do the following: sound prolonged blasts every two minutes. If the vessel is underway but is not moving, it is expected to sound two prolonged blast every two minutes. When one hears any of the signal above, one is expected to reduce speed to the minimum that is needed to keep on course.
3 0
2 years ago
A mercury lamp emits radiation with a frequency of 5.62 x1024 Hz. Calculate the wavelength of
Nitella [24]

Answer:

wavelength = 0.534×10⁻¹⁶ m

Explanation:

Given data:

Frequency of wave = 5.62 ×10²⁴ Hz

Wavelength = ?

Solution:

Speed of photon = wavelength × frequency

wavelength = speed of photon / frequency

Now we will put the values in formula:

wavelength = 3×10⁸ m/s / 5.62 ×10²⁴ Hz

Hz = s⁻¹

wavelength = 3×10⁸ m/s / 5.62 ×10²⁴ s⁻¹

wavelength = 0.534×10⁻¹⁶ m

7 0
3 years ago
Which outcome resaults when a liquid is heated
andrew11 [14]

Answer:

evaporation

Explanation:

3 0
3 years ago
Read 2 more answers
Can someone plz help me with this because I do not understand it ASP
AlladinOne [14]

Answer:

I'm not the best at chemistry but from what I remember you need to balance the equation and you need the arrows. It wants you to use double displacement and so thats the definition im assuming.

Explanation:

An example would be

Na2SO4 + SrCl2 --> 2 NaCl + SrSO4

This is a balanced equation.

https://en.intl.chemicalaid.com/tools/equationbalancer.php

This link will help you balance an equation.

Hopefully this helps I appologize if it doesn't.

4 0
2 years ago
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