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scoundrel [369]
3 years ago
8

Start a conclusion based on the data from this experiment

Chemistry
1 answer:
Mandarinka [93]3 years ago
4 0
The number of chirps increases in relation to temperature.
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The following equation shows the equilibrium in an aqueous solution of ammonia:NH3(aq)+H2O(l)⇌NH4+(aq)+OH−(aq)Which of the follo
victus00 [196]

Answer:

OH⁻ and H₂O

Explanation:

From the equation given in question ,

NH₃ (aq) + H₂O (l) ⇌ NH₄⁺ (aq) + OH⁻ (aq)

Acids are the species which furnish hydrogen ions in the solution or is capable of forming bonds with electron pair species as they are electron deficient species.

When an acid donates a proton, it changes into a base which is known as its conjugate base.

Bases are the species which furnish hydroxide ions in the solution or is capable of forming bonds with electron deficient species as they are electron rich species. When a base accepts a proton, it changes into a acid which is known as its conjugate acid.

The acid and the base which is only differ by absence or presence of the proton are known as acid conjugate base pair.

Hence , from the equation given in the question ,

The conjugate acid - base pair is -

OH⁻ and H₂O

4 0
3 years ago
Which property describes a material's ability to conduct heat?
MakcuM [25]
C) thermal conductivity
3 0
3 years ago
Read 2 more answers
354.5 g of chlorine gas (MW = 70.9 g/mol) is held in a vessel with a fixed volume of 70. L.
scZoUnD [109]

Answer:

1.77 atm

Explanation:

We have to check the <u>values that gives the problem</u>:

V= 70 L

mass =354.5 g

Molas weight= 70.9 g/mol

T=30 ºC

P= ?

We can find the <u>moles of chlorine</u> if we use the<u> molar weight</u>:

354.5g~\frac{1~mol}{70.9~g}

5~mol

Now, we have the moles, volume, temperature therefore we can use the <u>ideal gas equation</u>:

P*V=n*R*T

We know the <u>R value</u>:

0.082\frac{atm*L}{mol*K}

We have <u>“K” units for the temperature</u>, so we need to do the <u>conversion</u>:

30+273.15=303.15~K

With all the data we can plug the values into the equation:

P*70L=5mol*303.15K*0.082\frac{atm*L}{mol*K}

P=\frac{5mol*303.15K*0.082\frac{atm*L}{mol*K}}{70L}

P=1.77~atm

I hope it helps!

5 0
2 years ago
A student lives in a place that receives lots of snow and ice during the winter. The student has observed that the highway depar
Harlamova29_29 [7]
<span>A. Salt lowers the freezing point of water, which makes the melted snow on the road less likely to form ice.</span>
4 0
3 years ago
Read 2 more answers
A plane travels at 600 km/hr. How far will it travel in 3 hrs 15 min ?
ElenaW [278]
Answer:
1950 km in 3 hrs 15 min
step-by-step explanation:
600 • 3.25
1950 km
8 0
2 years ago
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