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3 years ago

What is Gallium Nitrite

Chemistry

2 answers:

olganol [36]3 years ago

8 0

It is a binary direct bandgap semiconductor commonly used in light-emitting diodes since the 1990s

Shtirlitz [24]3 years ago

8 0

<span>Formula= GaN
Ga = 31
N = 7
.........</span>

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Which element is reduced in the following reaction: 2Mg+O₂ → 2MgO if Mg goes from 0 to +2 and O goes from 0 to -2?

Lyrx [107]

Answer:

Explanation:

The element which is oxidized is the element that losses electrons and its oxidation state be more positive.

The element which is reduced is the element that gain electrons and its oxidation state be more negative.

<em> O goes from 0 to -2, so, it is the element that is reduced.</em>

8 0

3 years ago

How many grams are 0.5 moles of NaCl???

elena-14-01-66 [18.8K]

Answer:Respuesta. El peso molecular de NaCl es 58gr que equivale a 1 mol. g? hay 0,5mol queda 29gr

Explanation:

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2 years ago

A chemistry teacher is able to grade chemistry labs at a rate of 5 labs for every 3 minutes. They need to grade 165 labs how man

PIT_PIT [208]

Answer:

1.65hr

Explanation:

Given parameters:

Number of labs = 5 labs

Time taken = 3 minutes

Unknown:

Time taken in hours to grade 165 labs = ?

Solution:

Let us find the rate of the teacher;

Rate = $\frac{number of labs}{time}$

Insert the parameters and solve;

Rate = $\frac{5}{3}$ = 1.67labs/min

Now;

Time to grade 165 labs = $\frac{number of labs}{rate}$

Time to grade 165 labs = $\frac{165}{1.67}$ = 98.8min

Since;

60min = 1hr

98.8min = $\frac{98.8}{60}$ = 1.65hr

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3 years ago

What happens to the ph of the reaction mixture as the oxidation reaction proceeds in an oxidation of an aromatic side chain?

andrew11 [14]

Answer:

The pH decreases.

Explanation:

Hello,

In organic chemistry, oxidation accounts for either the increasing of C-O bonds or the increasing in the oxygen atoms into the molecule. Thus, if we consider the oxidation from benzyl alcohol to benzoic acid, there will be a carboxyl functional group instead of a hydroxile one. Now, the presence of the polar -O-H bonds that are ionizable, there will be a $H^{+1}$ releasing causing the pH to decrease (increase acidity).

Regards.

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3 years ago

How many molecules are in 3.50 moles of NO2

NeTakaya

Refer pic for answer....

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3 years ago