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3 years ago

The Gulf Stream is an example of a(n) ____________ current.

Chemistry

2 answers:

aleksley [76]3 years ago

8 0

It's a surface current because it's driven by the winds near the equator.

:)

lorasvet [3.4K]3 years ago

6 0

It's a surface current because it's driven by the winds near the equator.

Explanation:
The Gulf stream System is one of the world's most intensely studied current systems. The Gulf stream begins upstream of the promontory, wherever the Sunshine State Current ceases to follow the seabed. The position of the Stream because it leaves the coast changes throughout the year. within the fall, it shifts north, whereas within the winter and early spring it shifts south.

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The law of constant composition states: All atoms of a given element have a constant composition and are different than atoms of

Airida [17]

Answer:

Explanation:

The law proves C. For examples no matter how water you have it will always have a 1:2 ratio of oxygen to hydrogen. :)

7 0

2 years ago

Match the following items.

navik [9.2K]

Answer:

1. not affected by a magnet 1 liquid

2. mostly space 2 solid

3. flows freely but particles still attract 3 proton

4. positively charged particles 4 gas

5. free to move in all space 5 alpha particles

6. negatively charged particles 6 atoms

7. atoms nearly fixed in space 7 gamma ray 8. helium nucleus 8 electron (beta)

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2 years ago

Calculate the mass of water produced when 7.26 g of butane reacts with excess oxygen

MaRussiya [10]

Answer:

11.3 g.

Explanation:

Hello there!

In this case, since the combustion of butane is:

$C_4H_{10}+\frac{13}{2} O_2\rightarrow 4CO_2+5H_2O$

Thus, since there is a 1:5 mole ratio between butane and water, we obtain the following mass of water:

$m_{H_2O}=7.26gC_4H_{10}*\frac{1molC_4H_{10}}{58.14gC_4H_{10}}*\frac{5molH_2O}{1molC_4H_{10}} *\frac{18.02gH_2O}{1molH_2O}$

Therefore, the resulting mass of water is:

$m_{H_2O}=11.3gH_2O$

Best regards!

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3 years ago

The lattice energy of a salt is related to the energy required to separate the ions. For which of the following pairs of ions is

Kay [80]

Answer: The Lattice energy is the energy required to separate an ionic solid into its component gaseous ions or

It is the energy released when gaseous ions combine to form an ionic solid.

Explanation:

The lattice energy depends on the ionization energies and electron affinities of atoms involved in the formation of the compound. The ionization energies and electron affinities also depends on the ionic radius and charges of the ions involved. As the ionic radius for cations increases down the groups, ionization energy decreases, whereas, as ionic radii decreases across the periods , ionization energy increases. The trend observed for anions is that as ionic radii increase down the groups, electron affinity decreases. Across the period, as ionic radii increases electron affinity increases. Also, as the charge on the ion increases, it leads to an increase in energy requirement/content.

Therefore, for compounds formed from cations and anions in the same period, the highest charged cation and anion will have the highest lattice energy. For example, among the following compounds: Al2O3 (aluminium oxide), AlCl3 (aluminium chloride), MgO, MgCl2 (magnesium chloride), NaCl, Na2O (sodium oxide); Al2O3(aluminium oxide) will have the highest lattice energy, thus will be hardest to break apart because its ions have the highest charge.

5 0

3 years ago

What is the Gibbs free energy?

Dimas [21]

It's a thermodynamic quantity equal to the enthalpy minus the product of entropy and the absolute temperature

7 0

3 years ago

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