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Stels [109]
3 years ago
15

Consider the volume of gas collected in the trial in Experiment 2 for Ni at

Chemistry
1 answer:
ZanzabumX [31]3 years ago
5 0

Answer:

Explanation:

H20

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What are the component of black powder and why are they needed to cause an explosion
melisa1 [442]

Hi There!

Black powder is an explosive powder consisting of saltpeter, sulfur, and charcoal, used chiefly in old guns fired for sport, in fireworks, and for spotting charges in practice bombs; black gunpowder.

In addition to being easily ignited by friction and impact, black powder is also extremely sensitive to flame and spark. It ignites violently when unconstrained and explodes when lit in even the slightest amount of confinement.

Thank you,
Eddie

6 0
2 years ago
Why is ammonia (NH₃) classified as a polar molecule?
aleksandr82 [10.1K]

Answer:

Ammonia contains an asymmetrical distribution of electric charge.

Explanation:

Hello there!

In this case, accordingly to the electronegativity difference we can calculate for the N-H bond, and based off our periodic table, which shows an electronegativity of 3.0 and 2.1 for N and H respectively, we obtain:

DE=3.0-2.1=0.9

Which is within the range of polar molecule even the both of them are nonmetals. Thus, choices a and b are firstly discarded; nonetheless, even when they are both nonmetals, two of these elements usually have a nonpolar bond, which means that option C is discarded, and therefore, our answer is ammonia contains an asymmetrical distribution of electric charge.

Regards!

6 0
3 years ago
Copper carbonate decomposes to make _____________ oxide and _____________ dioxide
nalin [4]

Answer:

Copper carbonate decomposes to copper oxide and carbon dioxide

Explanation:

5 0
3 years ago
Writing a pressure equilibrium constant expression Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4 NH
Sliva [168]

<u>Answer:</u> The equilibrium constant expression for the given equation is written below.

<u>Explanation:</u>

Equilibrium constant in terms of partial pressure is defined as the ratio of partial pressures of products to the partial pressures of reactants each raised to the power their stoichiometric ratios. It is expressed as K_{p}

For the general chemical equation:

aA+bB\rightleftharpoons cC+dD

The expression of K_p follows:

K_p=\frac{p_C^c\times p_D^d}{p_A^a\times p_B^b}

For the given chemical equation:

4NH_3(g)+5O_2(g)\rightleftharpoons 4NO(g)+6H_2O(g)

The expression of K_p for above equation follows:

K_p=\frac{(p_{H_2O}^5)\times (p_{NO}^4)}{(p_{NH_3}^4)\times (p_{O_2}^5)}

Hence, the equilibrium constant expression for the given equation is written above.

5 0
3 years ago
Type your answer in decimal form. Do not round.<br> 7 days = hours
djyliett [7]
168.0
Hope this helps u
5 0
3 years ago
Read 2 more answers
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