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Sergeu [11.5K]
3 years ago
14

Which two subatomic particles are located in the nucleus of an atom?

Chemistry
1 answer:
natta225 [31]3 years ago
4 0

Two subatomic particles that are located in the nucleus of an atom are Protons and Neutrons.

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A chemistry teacher owns 50 bowling balls. 25 of the bowling balls have a weight of 16 pounds, 10 of them have a weight of 15 po
iragen [17]

Answer:

try it your self and u will understand

7 0
3 years ago
Select the correct answer.
DiKsa [7]
D is the correct answer
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3 years ago
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A 92.0 ml volume of 0.25 m hbr is titrated with 0.50 m koh. calculate the ph after addition of 46.0 ml of koh at 25 ∘c.
monitta
In neutralization reactions, a base and an acid react to form an ionic salt and water. There is a rule that when a strong base and a strong acid react, the pH of their salt is always neutral which is at pH 7. However, this is only true if equal amounts of acid and base are consumed and that there is no excess. Otherwise, the excess acidity or basicity will adjust the total pH.

Strong acids are the following: HCl, HBr, HI, HClO4, HClO3, HNO3 and H2SO4. Strong bases are KOH, LiOH, NaOH, Ca(OH)2, Sr(OH)2 and Ba(OH)2. Therefore, we can already establish that both of the reactants are strong. The complete reaction is

HBr + KOH ⇒ KBr + H₂O

So, 1 mole of HBr would require 1 mol of KOH, and vice versa. Let'scompute the amount of the initial reactants:

mol HBr: (0.25 mol/L)*(0.92 L) = 0.23 mol HBr
mol KOH: (0.5 mol/L)*(0.46 L) = 0.23 mol KOH

There are equal amounts of acid and base. Thus, pH of the KBr solution is neutral at pH 7.
5 0
3 years ago
On the calendar, the full moon is shown happening on the eleventh of the month. What moon would you see around the date shown wi
Elan Coil [88]

Answer: waning gibbous

Explanation:

Your welcome

7 0
3 years ago
Give the chemical formulas for (a) silicon tetrabromide, (b) disulfur dichloride, (c) diphosphorus hexaoxide.
sdas [7]

Answer:

(a)

SiBr_4

(b)

S_2Cl_2

(c)

P_2O_6

Explanation:

(a)

The given compound is silicon tetrabromide. It means that 1 silicon and four bromine atoms are combined to form the molecule.

The chemical formula of silicon tetrabromide is SiBr_4

(b)

The given compound is disulfur dichloride. It means that 2 sulfur atoms and 2 chlorine atoms are combined to form the molecule.

The chemical formula of disulfur dichloride is S_2Cl_2

(c)

The given compound is diphosphorus hexaoxide. It means that 2 phosphorus atoms and 6 oxygen atoms are combined to form the molecule.

The chemical formula of diphosphorus hexaoxide is P_2O_6

6 0
3 years ago
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