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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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A solution has a pH of 2.5. What is its [OH-] ?

gulaghasi [49]

POH=14-pH=14-2.5=11.5 pH=-log[H+] 2.5=-log [H+] [H+]=10^-5/2 [OH-]=10^(14-5/2)=10^23/2

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2 years ago

Which atom attracts electrons more strongly?

lesya [120]

Bromine attracts electrons more strongly. Cesium is In fact the least electro negative element.

Sodium is more likely to lose an electron because is is less electro negative. Strong electronegativity make the element want more electrons. Sodium has loose electrons with a lower electronegativity so it gives it up easier.

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3 years ago

Read 2 more answers

Consider the two electron arrangements for neutral atoms A and B. What is the atomic number of A?

Andreas93 [3]

Your answer is B: The outer electron of Adam B has moved to a higher energy state

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3 years ago

Draw a Lewis structure for [H3O]+. Show all unshared pairs and the formal charges, if any.

Montano1993 [528]

Answer: Formal Charges: Hydrogen = 0 and Oxygen = +1

Unshared Pair of electrons: Hydrogen = 0 and Oxygen = 2

Explanation:

The attachment below shows the Lewis structure and the calculations

3 0

2 years ago

I need part 1 and 2 please , just separate answers

Vladimir79 [104]

First, we have to remember the molarity formula:

$M=\text{ }\frac{moles\text{ of solute}}{L\text{ solution}}$

Part 1:

In this case, our solute is sodium nitrate (NaNO3), and we have the mass dissolved in water, then we have to convert grams to moles. For that, we need the molecular weight:

$M.W_{NaNO_3}=\text{ 23+14+16*3= 85 g/mol}$

Then, we calculate the moles present in the solution:

$3.976\text{ g NaNO}_3\text{ * }\frac{1\text{ mol}}{85\text{ g}}=\text{ 0.04678 mol NaNO}_3$

Now, we have the necessary data to calculate the molarity (with the solution volume of 200 mL):

$M=\frac{0.04678\text{ mol}}{200\text{ mL*}\frac{1\text{ L}}{1000\text{ mL}}}=\text{ 0.2339 M}$

The molarity of this solution equals 0.2339 M.

Part 2:

In this case, we have the same amount (in moles and mass) of sodium nitrate, but a different volume of solution, then we only have to change it:

$M=\text{ }\frac{0.04678\text{ mol}}{275\text{ mL *}\frac{1\text{ L}}{1000\text{ mL}}}=\text{ 0.1701 M}$

So, the molarity of this solution is 0.1701 M.

5 0

11 months ago