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Andrej [43]
2 years ago
8

Please help me. It's urgent .

Chemistry
2 answers:
sesenic [268]2 years ago
8 0

Answer:

huh,wht a joke!!!!!!!!

CaHeK987 [17]2 years ago
3 0

Answer:

u also help me in my profile I don't know the answer please tell me please and I am not doing joke so u have to convert no in binary answer so tell me fast OK in comment on my question in my profile

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a que grupo en la tabla periodica pertenece el magnesio, potasio, calcio, azufre, oxigeno y el cloro?
ladessa [460]

Answer:

Group 2A — The Alkaline Earth Metals. Group 2A (or IIA) of the periodic table are the alkaline earth metals: beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra).

Explanation:

4 0
3 years ago
Into what kinds of energy does a toaster convert electrical energy?
natima [27]
It converts the electrical entertainment into thermal energy, (heat energy) which heats the toast.
6 0
3 years ago
A solution of acetic acid and water contains 205.0 g L-1 of acetic acid and 820.0 g L-1 of water. Compute the density of the sol
LekaFEV [45]

Answer:

\rho_t=1025000 gmL^{-1}

Explanation:

From the question we are told that:

Density of acetic acid \rho_a=205 gL^{-1}

Density of Water \rho_w=820 gL^{-1}

Generally the equation for Solution Density is mathematically given by

\rho_t= \rho_w+\rho_a

\rho_t=205+820

\rho_t=1025 gL^{-1}

\rho_t=1025000 gmL^{-1}

6 0
2 years ago
A molecule tends to attain A geometry where the repulsive interactions with in the molecule are?
Ivenika [448]

The shape of a molecule is determined by the location of the nuclei and its electrons. ... Molecular geometry, on the other hand, depends on not only on the number of electron groups, but also on the number of lone pairs. When the electron groups are all bond pairs, they are named exactly like the electron-group geometry.

<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em><em> ❤️</em><em>✌</em>

3 0
2 years ago
In testing the effectiveness of an antacid compound, 20.0g of Hydrochloric Acid is mixed with 28.0g of Magnesium Hydroxide. Will
BartSMP [9]

Answer:

Base Mg(OH)2 does neutralise the acid and is 12g in excess.

Explanation:

2HCL +Mg(OH)2 -> MgCl2 + 2H20

2 * 36.458 g of HCL react with  58.319 g of  Mg(OH)2 to neutralise it.

72.916 HCl reacts with  58.319 g of the base.

So 20 g HCl reacts with  (58.319/72.916) * 20 = 16g.

There are 28 g of Mg(OH)2 so the base does neutralise all the acid.

The Mg(OH)2 is 28 - 16 = 12 g in excess.

4 0
3 years ago
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