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2 years ago

Which of the following can explain the daily change in sea level observed along a coast?

1 answer:

5 0

The answer for the question above is A. the gravitational pull of the moon on the water near the coast. The sun and and the moon are responsible for the rising and falling of the ocean tides. The gravitational pull of the moon and the sun makes the water in the oceans bulge, causing a continuous change between high and low tide.

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A student prepares a 0.28 M solution of acetic acid. If the Ka of the acid is 1.76 x 10^-5, then what is the pH of the solution?

Ann [662]

I belive its 4.76 because it would not be 0.55

8 0

2 years ago

What is the molarity of a solution that contains 2.14 moles (CH3)2SO in 2.00 L solution?

seraphim [82]

<h3>Answer:</h3>

1.07 M

<h3>General Formulas and Concepts:</h3>

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right<u> </u>

<u>Chemistry</u>

<u>Atomic Structure</u>

Molarity = moles of solute / liters of solution

<h3>Explanation:</h3>

<u>Step 1: Define</u>

[Given] 2.14 moles (CH₃)₂SO

[Given] 2.00 L

[Solve] Molarity

<u>Step 2: Solve</u>

Substitute in variables [Molarity]: x M = 2.14 moles (CH₃)₂SO / 2.00 L solution
[Molarity] Divide: x = 1.07 M

3 0

2 years ago

Which of the following ions is in the lowest oxidation state?

bulgar [2K]

Answer:

I believe it is a hope this helps

5 0

3 years ago

Read 2 more answers

4Fe + 3O2  2Fe2O3

LenKa [72]

Oxidation
iron+oxygen happened

6 0

2 years ago

What volume of stock solution and water must you add to prepare 36.25ml of a 1.25M solution

Serjik [45]

Given :

Number of moles , n = 36.25 mol .

Molarity , M = 1.25 M .

To Find :

The volume of water required .

Solution :

Moarity is given by :

$M=\dfrac{n}{V}$

So , $V=\dfrac{n}{M}$

Here , n is number of moles and M is molarity .

Putting all values in above equation , we get :

$V=\dfrac{36.25}{1.25}\\\\V=29\ L$

Therefore , volume of water required is 29 L .

5 0

2 years ago