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Tanzania [10]
3 years ago
15

U HUCUS 13 HUU

Chemistry
1 answer:
mario62 [17]3 years ago
4 0

Answer:

The correct answer is a the central core and is composed of protons and neutrons.

Explanation:

Nucleus is present in the center of an atom.Nucleus contain positively charged particle proton along with neutron which is neutral.

      Due to the the presence of protons nucleus contain positive(+ve) charge.

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What happens when you mix acid and base?
kap26 [50]
Acids are chemicals with a pH less than 7 that can donate a proton or H+ ion in a reaction. Bases have a pH greater than 7 and can accept a proton or produce an OH- ion in a reaction. If you mix equal amounts of a strong acid and a strong base, the two chemicals essentially cancel each other out and produce a salt and water. Mixing equal amounts of a strong acid with a strong base also produces a neutral pH (pH = 7) solution. This is called a neauturization and looks like 
HA + BOH → BA + H2O + heat
6 0
3 years ago
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Why are chemists great for solving problems?
sertanlavr [38]

Because only those with logic (problem solving capabilities) go to chemistry.

4 0
4 years ago
How to do it this question and for it to be solved
Nikolay [14]
X volume= 2x2x2=8
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3 0
3 years ago
An acid with molar mass 84.48 g/mol is titrated with 0.650 M KOH. What volume of KOH solution is needed to titrate 1.70 grams of
RSB [31]

Answer:

V=0.0310L=3.10mL

Explanation:

Hello.

In this case, since the acid is monoprotic and the KOH has one hydroxyl ion only, we can see that at the equivalence point the moles of both of them are the same:

n_{acid}=n_{KOH}

Thus, since we are given 1.70 g of the acid, we compute the moles of acid that were titrated:

n_{acid}=1.70g*\frac{1mol}{84.48g}=0.0201mol

Which equal the moles of KOH. In such a way, since the molarity is defined as moles over liters (M=n/V), the liters are moles over molarity (V=n/M), thus, the resulting volume is:

V=\frac{0.0201mol}{0.650mol/L}\\\\V=0.0310L=3.10mL

Best regards!

7 0
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This particle is an electron. it has no mass and has a negative one charge
alisha [4.7K]

Answer:

The answer is a gamma particle.

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3 years ago
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