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iren [92.7K]
3 years ago
12

How many protons, neutrons, and electrons does the following atom have?

Chemistry
1 answer:
yarga [219]3 years ago
8 0

Answer:

Option C 28 Proton 31 neutron 26 elecrtons

Explanation:

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The weak base ionization<br> constant (Kb) for HS is<br> equal to:
mixas84 [53]

Answer:

<u>[</u><u>H</u><u>2</u><u>S</u><u>]</u><u>[</u><u>O</u><u>H</u><u>-</u>

<u>[</u><u>H</u><u>S</u><u>-</u><u>]</u>

Explanation:

<em>h</em><em>o</em><em>p</em><em>e</em><em> </em><em>i</em><em>t</em><em> </em><em>h</em><em>e</em><em>l</em><em>p</em>

<em> </em><em>p</em><em>l</em><em>s</em><em>s</em><em> </em><em>b</em><em>r</em><em>a</em><em>i</em><em>n</em><em>l</em><em>y</em><em>s</em><em> </em><em>m</em><em>e</em>

5 0
3 years ago
A 16.0 L gas cylinder has been filled with 6.20 moles of gas. You measure the pressure to be 3.10 atm . What is the temperature
Molodets [167]

Answer:

97.44 K

Explanation:

to answer this one you should use the ideal gas law PV=nRT where P=pressure, V=volume, n=number of moles of gas, R=universal gas constant (0.0821), and T=temperature in Kelvin. All you have to do is substitute the givens into the equation.

(3.10)(16)=(6.20)(0.0821)(T)

then simplify

49.6=(.50902)(T)

divide to get T alone and you get about 97.44 K as your answer

6 0
3 years ago
Which is not true about enantiomers?
Yanka [14]

Answer:

C

Explanation:

Enantiomers are molecules that are mirror images of one another. This means they have the same connectivity of the same atoms in the molecules but have an opposite 3-dimensional orientation – like the two palms of the hand.  This means they polarised light in opposite directions but with equal effect.

6 0
3 years ago
How many atoms are equal to 4.61 moles of carbon?
Effectus [21]
Well accounting google,


Chemists generally use the mole as the unit for the number of atoms or molecules of a material. One mole (abbreviated mol) is equal to 6.022×1023 molecular entities (Avogadro's number), and each element has a different molar mass depending on the weight of 6.022×1023 of its atoms (1 mole).
5 0
4 years ago
Read 2 more answers
A wave with a frequency of 14 Hz has a wavelength of 3 meters. At what speed will this wave travel
Sophie [7]
fourteen multiply three
7 0
3 years ago
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