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3 years ago

What causes the convection cell to turn left at point B?

Chemistry

1 answer:

Assoli18 [71]3 years ago

6 0

Answer:

Point B is in Between two convection, and is just below a ridge . This cause the cell to turn left because the flow of fluid hits the bottom of the crust this is the best I can do to Help you understand.

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A 1 liter solution contains 0.304 M acetic acid and 0.228 M sodium acetate. Addition of 0.114 moles of perchloric acid will:____

Papessa [141]

Answer:

Lower the pH slightly

Explanation:

A buffer is defined as the mixture between weak acid and conjugate base. In the problem, acetic acid is the weak acid and sodium acetate the conjugate base.

When a strong acid as perchloric acid is added to a buffer, the pH decreases slightly because the acid reacts with conjugate base producing weak acid and not affecting directly the concentration of H⁺ ions.

5 0

3 years ago

Please help! Due today. Look at the image: Reuploaded

kirza4 [7]

Answer:

Explanation:

2+2=4-1=3 quick maths

8 0

3 years ago

How would your experimental formula of magnesium chloride “MgClx” have been affected if

aksik [14]

The compound is used in medicine as a source of magnesium ions, which are essential for many cellular activities. Magnesium chloride has also been used as a cathartic and in alloys. To low

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4 years ago

Two aqueous sulfuric acid solutions containing 20.0 wt% H2SO4

kozerog [31]

Answer:

The feed ratio (liters 20% solution/liter 60% solution) is 3,08

Explanation:

In this problem you have a 20,0 wt% H₂SO₄ and a 60,0 wt% H₂SO₄ solutions.

100 kg of 20% solution are 100kg/1,139 kg/L = 87,8 L 

100kg×20wt% = 20 kg H₂SO₄. In moles:

20 kg H₂SO₄ × (1 kmol/98,08 kg) = 0,2039 kmol H₂SO₄≡ 203,9 mol

The final molarity 4,00M comes from:

$\frac{203,9 moles+ Xmoles}{87,8L + Yliters}$ (1)

Where X moles and Y liters comes from 60,0 wt% H₂SO₄

100 L of 60,0 wt% H₂SO₄ are:

100L× $\frac{1,498 kgsolution}{L}$ × $\frac{60 kg H_{2}SO_{4}}{100kgSolution}$ × $\frac{1kmol}{98,08kg H_{2}SO_{4}}$ = 0,9164 kmolH₂SO₄ ≡ 916,4 moles

That means:

X/Y = 916,4/100 = 9,164 (2)

Replacing (2) in (1):

Y(liters of 60,0 wt% H₂SO₄) = 28,52 L

Thus, feed ratio (liters 20% solution/liter 60% solution):

87,8L/28,52L = 3,08

I hope it helps!

8 0

3 years ago

Carry out the following conversions: (a) 22.6 m to decimeters, (b) 25.4 mg to kilograms, (c) 556 mL to liters, (d) 10.6 kg/m^3 t

JulijaS [17]

Answer:

a) 226 decimeter.

b) 0.556 L

c) 10.6 cm³

Explanation:

a) 22.6m * ( 10dcm / m) = 226 decimeter.

b) 556 mL * ( 1 L / 1000 mL ) = 0.556 L.

c) 10.6 Kg / m³ * ( 1000 g / 1 Kg ) * ( 1 m³ / 1000 cm³ ) = 10.6 g / cm³

5 0

4 years ago