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rodikova [14]
3 years ago
8

PLEASE HELP NO LINKS OR WEBSITES IF YOU DONT KNOW LEAVE ME ALONE THANKS THIS IS DUE IN 30 MINUTES

Chemistry
2 answers:
poizon [28]3 years ago
6 0
The picture is blurry I can’t see the thing
irina [24]3 years ago
5 0
I would love to answer this question but the picture you attached is wayyy to blurry
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Ammonia reacts with hypobromite, obr, by the reaction 2nh3 3obr n n2 3br 3h2o. what is the molarity of a hypobromite solution if
Aliun [14]

The balanced chemical equation representing the reaction of ammonia with hypobromite is:

2NH_{3} (g)+3OBr^{-}(aq)-->N_{2}(g)+3Br^{-}(aq)+3H_{2}O(l)

The mass of NH_{3}=1.69mg

Moles of NH_{3}=1.69mg*\frac{1g}{1000mg}* \frac{1mol}{17.03g} =9.92*10^{-5}molNH_{3}

Calculating the moles hypobromite that would react with 9.92*10^{-5}molNH_{3}:

9.92*10^{-5}molNH_{3}*\frac{3molOBr^{-} }{2molNH_{3}}=   1.488*10^{-4}mol OBr^{-}

Volume of hypobromite required for titration = 1.00 mL

Molarity of hypobromite solution = \frac{1.488*10^{-4}molOBr^{-}}{1.00mL} *\frac{1000mL}{1L} =0.1488mol/L

8 0
3 years ago
- How does melting point compare among molecular compounds and ionic compounds?
GaryK [48]

Answer:

The melting and boiling points of molecular compounds are generally quite low compared to those of ionic compounds. This is because the energy required to disrupt the intermolecular forces between molecules is far less than the energy required to break the ionic bonds in a crystalline ionic compound (Figure 6.2. 1) .

Explanation:

hopefully this helps :)

if not then here. (Most of the time, the melting points of ionic compounds are very high compared to the melting points of molecular compounds.)

7 0
3 years ago
In the scientific method, analysis should follow
Vladimir [108]
Analysis should follow hypothesis.
3 0
3 years ago
Four people make observations recorded in the table.
77julia77 [94]

Answer:

D. They involve changes in energy.

The last one

Explanation:

have a good day

6 0
2 years ago
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Explain the differences between an ionic crystal like "NaCl" (Sodium Chloride) and a metal like Fe (Iron).
lesantik [10]

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salt is weaker and has looser atomic bonds and iron has stronger and tighter ionic bonds

Explanation:

7 0
3 years ago
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