2 years ago

In the chemical reaction:

Chemistry

1 answer:

Fiesta28 [93]2 years ago

8 0

The correct answer is A. AgCl (s) only

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Calculate the mass, in grams, of a single xenon atom (mxe = 131.29 amu ).

Mariana [72]

Answer is $2.18017\times10^{-22}gms$ .

Explanation: To calculate the mass of 1 Xe-atom , we will require atomic mass of Xe which is 131.29amu.

This atomic mass is the mass of 1 mole of 1 Xe-atom. One mole of Xe-atom is $6.022\times10^{23}$ atoms of Xe. We will use this relation to convert Mass of Xe-atom into grams.

$\frac{\text{mass of 1 atom}}{atom}=\frac{\text{mass of 1 mole of atom}}{6.022\times10^{23}atoms}$

$\text{mass of 1 atom}=\frac{\text{mass of 1 mole of atom}}{6.022\times10^{23}}$

$\text{mass of 1 Xe-atom}=\frac{131.29}{6.022\times10^{23}}$

$\text{mass of 1-Xe atom}=21.8017\times10^{-23}gms$

= $2.18017\times10^{-22}gms$

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2 years ago

Give an example of a rule of the natural world that a scientist can assume is always true.

vaieri [72.5K]

Answer:

Laws of Nature are to be distinguished both from Scientific Laws and from Natural Laws. On the other account, the Necessitarian Theory, Laws of Nature are the principles which govern the natural phenomena of the world. That is, the natural world “obeys” the Laws of Nature.

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2 years ago

What property of an element does the group number identify in a numbering system that uses "A" and "B"?

VMariaS [17]

<span>The number of valence electrons. :) have a good day </span>

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2 years ago

Read 2 more answers

An ion with 5 protons, 6 neutrons, and a charge of 3+ has an atomic number of

user100 [1]

Answer:1. 5

Explanation: the element is boron and the atomic number is 5