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Svetradugi [14.3K]
3 years ago
10

Which represents the ground state for the N- ion

Chemistry
1 answer:
Fittoniya [83]3 years ago
7 0
The answer would be option e
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What is the molar mass of bromine gas in grams
-BARSIC- [3]

Answer:

79.904 g/mol

Explanation:

The molar mass of bromine is 79.904 g/mol.

7 0
3 years ago
How many sulfur atoms are present in 25.6 g of Al2(S2O3)3
IgorC [24]

Given the mass of Al_{2}(S_{2}O_{3})_{3}=25.6 g

The molar mass of Al_{2}(S_{2}O_{3})_{3}=390.35g/mol

Converting mass of Al_{2}(S_{2}O_{3})_{3}to moles:

25.6 g Al_{2}(S_{2}O_{3})_{3}*\frac{1molAl_{2}(S_{2}O_{3}}{390.35 gAl_{2}(S_{2}O_{3}} =0.0656molAl_{2}(S_{2}O_{3}

Converting mol Al_{2}(S_{2}O_{3})_{3}to mol S:

0.0656mol Al_{2}(S_{2}O_{3})_{3}*\frac{6molS}{1mol Al_{2}(S_{2}O_{3})_{3}}=0.3936 molS

Converting mol S to atoms of S using Avogadro's number:

1 mol = 6.022*10^{23}atoms

0.3936mol S *\frac{6.022*10^{23}atoms S}{1 mol S}=2.37*10^{23} S atoms

5 0
3 years ago
An inefficient appliance costs less to operate than an efficient one, because it takes more energy to do the same job.
Nesterboy [21]

An inefficient appliance costs less to operate than an efficient one, because it takes more energy to do the same job is "False".

<u>Answer:</u> Option B

<u>Explanation:</u>

Energy efficiency is about utilizing less energy consuming appliances than inefficient appliance which consume more energy to do the similar job and support for avoiding high energy bills and unnecessary pollution in the process.

The choice for energy efficiency is "ENERGY STAR LABEL" makes it known to consumers or businesses that a product, home or building is more energy efficient than others on the market.

ENERGY STAR and its partners have managed to save nearly 4 trillion kilowatt-hours of electricity from American families and businesses in 2017  and resulted into 3 billion metric tons of greenhouse gas reductions.

4 0
4 years ago
How is the outer core a liquid?
Nata [24]
The outer core is not under enough pressure to be a solid so it is liquid
3 0
4 years ago
What temperature is represented by the image of the thermometer
Andrei [34K]

Answer:

980C

Explanation:

but it need a scale tell me the scale

5 0
3 years ago
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