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Marat540 [252]
3 years ago
13

Why is there no overall charge on an aluminium atom?

Chemistry
1 answer:
Ugo [173]3 years ago
7 0
Because it a neutral atom, try taking aluminum foil and putting on a hot stove, it will heat up as fast as itcools down.  
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Why must ionic compound have a total charge of 0?
Neko [114]
Iconic compound consists of equal number of positive and negative ions so the charge of icon compound is zero.

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3 years ago
Which describes an atom with an atomic number of nine
jonny [76]

Answer:

Fluorine

Explanation:

fluorine is the element in question, as its atomic number is 9

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3 years ago
At STP what is the volume of 16.34 grams of nitrogen gas?
nika2105 [10]

Answer:

Volume = 13.06 L

Explanation:

We are given: mass of nitrogren gas = 16.34 g

We know: molar mass of nitrogen gas = 28.014 g/mol

: ideal gas law constant = 0.082 L.atm/K.mol

At STP: temperature = 273.15 K

: pressure = 1 atm

We first determine the number of moles of nitrogen gas:

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= 16.34/28.014

= 0.58 mol

Using the ideal gas law:

\begin{gathered} PV\text{ = nRT} \\  \\ \therefore V\text{ = }\frac{nRT}{P}\text{ = }\frac{0.58\times0.082\times273.15}{1}\text{ = 13.06 L} \end{gathered}

6 0
1 year ago
Que es un catalizador
larisa [96]
A catalyst is a compound that accelerates a chemical reaction without getting used up in the process.

Un catalizador es un compuesto que acelera una reacción química sin ser agotado en el proceso.

5 0
3 years ago
<img src="https://tex.z-dn.net/?f=%7B%5Clarge%7B%5Cred%7B%5Cmapsto%7B%5Cmaltese%7B%5Cunderline%7B%5Cgreen%7B%5Cboxed%7B%5Cblue%7
Olin [163]

Explanation:

a law stating that the freezing and boiling points of an ideal solution are respectively depressed and elevated relative to that of the pure solvent by an amount proportional to the mole fraction of solute.

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