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faust18 [17]
3 years ago
14

I have no friends, why

Chemistry
1 answer:
aleksandrvk [35]3 years ago
5 0

Answer:

ill friend you

Explanation:

i have none either

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Is the following compound symmetrical going across?
Nataliya [291]

Answer:

Yes

Explanation:

A molecule has a center of symmetry when, for any atom in the molecule, an identical atom exists diametrically opposite this center an equal distance from it(Wikipedia).

A center of symmetry is said to exist in a molecule when reflection of all parts of the molecule through the center of symmetry produces an indistinguishable configuration(Housecroeft and Sharpe,2012)

Obviously, the Cl2 molecule has a center of symmetry, hence it is symmetrical. Reflection of the molecules through its center of symmetry produces an indistinguishable configuration.

7 0
3 years ago
Anybody wanna do a zoom
Ksivusya [100]
For what exactly ? just for fun or for educational purposes?
8 0
2 years ago
When objects of two different temperature are in contact, what happens?
Sonja [21]
Answer: C. the warmer object transfers heat energy to the cooler side
5 0
1 year ago
Read 2 more answers
Is calcium pantothenate ionic or covalent?
andre [41]

Answer:

Ionic

Explanation:

6 0
3 years ago
A Rolaids tablet contains calcium for neutralizing stomach acid. if a Rolaids tablet neutralizes 24.65ml of 0.547m hydrochloric
Lelu [443]

There are 674 mg of calcium carbonate in a Rolaids tablet

<h3>Further explanation</h3>

Reaction

CaCO₃ + 2HCl ⇒ CaCl₂ + CO₂ +H₂O

V HCl = 24.65 ml

M HCl = 0.547

mol HCl :

\tt 24.65\times 0.547=13.48~mlmol

ratio mol CaCO₃ : HCl = 1 : 2, so mol CaCO₃ :

\tt \dfrac{1}{2}\times 13.48=6.74~mlmol=6.74\times 10^{-3}~mol

mass of CaCO₃ (MW=100~g/mol) :

\tt 6.74\times 10^{-3}\times 100=0.674~g=674~mg

4 0
3 years ago
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