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kykrilka [37]
3 years ago
8

Decide which element probably formed a compound with hydrogen that has a chemical formula most and least similar to the chemical

formula of the compound formed by hydrogen and nitrogen
Chemistry
2 answers:
Shkiper50 [21]3 years ago
7 0

Answer:

Most similar to nitrogen: Phosphorus

Least similar to nitrogen: Strontium

Explanation:

The options are missing but I looked on the web and I think these are:

  • <em>Iodine</em>
  • <em>Bromine</em>
  • <em>Phosphorus</em>
  • <em>Strontium</em>

Most similar to nitrogen

N and H form the compound NH₃. P is a nonmetal in the same group as N in the Periodic Table (Group 15) so it has similar chemical properties. In fact, P and H form the compound PH₃, a non-metallic hydride as NH₃.

Least similar to nitrogen

Sr is a metal, which is in the Group 2 in the Periodic Table (alkaline earth metal), so it is very different from N, and it forms a metallic hydride SrH₂.

ss7ja [257]3 years ago
4 0
Tbh I really don’t know
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You could add solid KCl to the solution to precipitate out AgCl(s). What mass of KCl is needed to precipitate the silver ions fr
padilas [110]

Answer:

0.143 g of KCl.

Explanation:

Equation of the reaction:

AgNO3(aq) + KCl(aq) --> AgCl(s) + KNO3(aq)

Molar concentration = mass/volume

= 0.16 * 0.012

= 0.00192 mol AgNO3.

By stoichiometry, 1 mole of AgNO3 reacts with 1 mole of KCl to form a precipitate.

Number of moles of KCl = 0.00192 mol.

Molar mass of KCl = 39 + 35.5

= 74.5 g/mol

Mass = molar mass * number of moles

= 74.5 * 0.00192

= 0.143 g of KCl.

4 0
3 years ago
In the following reaction, H3PO4 (aq) + H2O (l) ⇄ H2PO4– (aq) + H3O+ (aq) what happens when more H2PO4– (aq) is added to the sol
kirza4 [7]

Answer:

The concentration of H₃PO₄ will increase.

Explanation:

H₃PO₄(aq) + H₂O(l) ⇄ H₂PO₄⁻(aq) + H₃O⁺(aq)

According to Le Châtelier's Principle, when we apply a stress to a system at equilibrium, the system will respond in a way that tends to relieve the stress.

If we add more H₂PO₄⁻, the position of equilibrium will move to the left to get rid of the added H₂PO₄⁻.

The concentration of H₃PO₄ will increase.

7 0
3 years ago
Why is potassium iodine electronically neutral
AfilCa [17]
They would be neutral if their electonegativity difference was 0
8 0
3 years ago
Read 2 more answers
A given mass of oxygen occupies 500 ml when the
matrenka [14]
Ok we can use boyle’s law (stating that P is proportional to V) to make the equation (P1V1) =(P2V2).
once we’ve done this, we can plug in the numbers:
(800•500) = (200•V2)
and then we get that
V2= 2000 ml

hope this helps!! :)
5 0
3 years ago
a = Proton transfer d = SN2 Nucleophilic substitution g = Nucleophilic subs at carbonyl(acyl Xfer) b = Lewis acid/base e= Electr
marissa [1.9K]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The solution to this question is shown on the second uploaded image

Explanation:

4 0
3 years ago
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