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Schach [20]
3 years ago
13

6.10 g of a solid chemical reacts with a 10 g of a liquid chemical, the

Chemistry
1 answer:
Luda [366]3 years ago
4 0

Answer: <u><em>True</em></u>

Explanation:

<u><em>Q. 10g of white powder reacts with 10g of clear liquid. The reaction bubbles and changes color producing a black liquid that has a mass of 13g. What can be ...</em></u>

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Try to untie the knot from the balloon let some air out and tie if back....
4 0
2 years ago
Convert the following temperatures from K to °C.
jekas [21]

-173.15

-0.15

-267.15

416.15

846.15

assuming k is kelvins and c is celsius

4 0
3 years ago
Read 2 more answers
How many nitrogen atoms are in NH3?
valkas [14]
Three
Ammonia, NH3, is a chemical compound composed of one nitrogen atom and three hydrogen atoms.
8 0
3 years ago
Given only the following data, what can be said about the following reaction?3H2(g) + N2(g)---&gt; 2NH3(g) ΔH=-92kJA.) The entha
emmainna [20.7K]

Answer:

D.) Nitrogen and Hydrogen are very stable bonds compared to the bonds of ammonia.

Explanation:

For the reaction:

3H₂(g) + N₂(g) → 2NH₃(g)

The enthalpy change is ΔH = -92kJ

This enthalpy change is defined as the enthalpy of products - the enthalpy of reactants. As the enthalpy is <0, The enthalpy of products is <em>lower </em>than the enthalpy of reactants.

Also, it is possible to obtain the enthalpy change from the bond energies of products - bond energies of reactants, thus, The total bond energies of products are <em>lower</em> than the total bond energies of reactants.

The rate of the reaction couldn't be determined using ΔH.

As the bond energy of ammonia is lower than bonds of nitrogen and hydrogen, <em>D. Nitrogen and Hydrogen are very stable bonds compared to the bonds of ammonia.</em>

I hope it helps!

3 0
3 years ago
One of the pieces of evidence supporting energy quantization was the line spectra of elements. Why does this demonstrate energy
bezimeni [28]

Answer:

c) There are sharp emission lines demonstrating discrete energy levels.

Explanation:

When an element emits energy in the form of radiation, it produces a spectrum of colors on a photographic plate. This spectrum can either be continuous or discrete. In continuous spectrum the spectrum continues without any discrimination between two regions. This represents the continuous emission of radiation, and thus the continuous emission of energy without any break.

On the other hand, the line spectrum consists of discrete and sharp lines, which shows the emission of radiation in a certain amount in a certain time, with a break between emission. Hence, the line spectra supports the quantization of energy.

The correct option is:

<u>c) There are sharp emission lines demonstrating discrete energy levels.</u>

8 0
3 years ago
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