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podryga [215]
3 years ago
9

Based on their locations in the periodic table, which two elements are most likely to form covalent bonds with each other?

Chemistry
1 answer:
Marrrta [24]3 years ago
4 0

Answer:

nitrogen(N) & Oxygen(O)

Explanation:

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three moles of sodium carbonate are mixed with two moles of lead nitrate in aqueous solution, leading to formation of a solid pr
aleksandrvk [35]

There are 4 moles of spectator ions that remain in solution.

The equation of the reaction is;

Na2CO3(aq) + Pb(NO3)2(aq) -------> PbCO3(s) + 2NaNO3(aq)

We have to determine the limiting reactant. This is the reactant that yields the least amount of product. Note that the spectator ions are Na^+ and NO3^- that form NaNO3.

For Na2CO3

1 mole of Na2CO3 yields 2 moles of NaNO3

3 moles of Na2CO3 yields  3 × 2/1 = 6 moles of NaNO3

For Pb(NO3)2

1 mole of Pb(NO3)2 yields 2 moles of NaNO3

2 moles of Pb(NO3)2 yields 2 × 2/1 = 4 moles of NaNO3

We can see that Pb(NO3)2 is the limiting reactant.

Since [NaNO3] = [Na^+] = [NO3^-], it follows that there are 4 moles of spectator ions that remain in solution.

Learn more: brainly.com/question/22885959

6 0
3 years ago
If a 1.45 M solution has 2.43 g HCl dissolved, what is the volume of solution? (Change g Hl into mol using molar mass)
GrogVix [38]

Answer: 0.0459

Explanation:

3 0
3 years ago
Which of the following scientists was the first to determine the
Maru [420]

Answer:

Robert Boyle

Explanation:

Robert Boyle was an Irish chemist and is famously referred to as the first modern chemist. He was born on the 25th of January, 1627 in Lismore, Ireland and died on the 31st, December 1691, London, United Kingdom.

Robert Boyle was the first to determine the relationship between the pressure and volume of a gas.

Boyles states that when the temperature of an ideal gas is kept constant, the pressure of the gas is inversely proportional to the volume occupied by the gas.

Mathematically, Boyles law is given by;

PV = K

P_{1}V_{1} = P_{2}V_{2}

Where;

V1 and V2 represents the initial and final volumes respectively.

T1 and T2 represents the initial and final temperatures respectively.

8 0
3 years ago
A solution containing equal numbers of hydrogen ions and hydroxide ions is
igor_vitrenko [27]

Answer:

The answer to your question is: Neutral

Explanation:

A neutral solution is a solution whose pH is 7.

That means that this solution has the same amount of H⁺ and OH⁻.

Examples of neutral solutions:

- distilled water

- sugar solution

- table salt

- cooking oil.

4 0
3 years ago
1) Какое количество вещества Феррум (III) гидроксида вступает в реакцию с 15 г сульфатной кислоты?
EleoNora [17]

i dont speak russian sorry

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