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3 years ago

________________ in the atmosphere and ocean creates wind and ocean currents.

Chemistry

2 answers:

vagabundo [1.1K]3 years ago

7 0

Answer:

B. convection

Explanation:

The sun heats the atmosphere and the surface of the Earth causing convection currents to develop in the atmosphere due to heated air that rise into the atmosphere.The ocean itself regulates temperatures at the lower parts of the atmosphere thus ensures the circulation of water in the ocean through currents and waves.At the equator, heated air loses its density, making it to rise, and when it reaches the troposphere it spreads towards the pole by convection.

Bezzdna [24]3 years ago

4 0

It's B - convection that is correct...

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A student uses a sample of KOH stock solution and dilutes it to a total of 120 mL. If the diluted solution is 0.60 M KOH and its

Vesnalui [34]

Answer:

5.5

Explanation:

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2 years ago

Given the following UNBALANCED reaction: NH3 (g) <--> N2 (g) + H2 (g) If 1

Yakvenalex [24]

Answer:

C. 1.35

Explanation:

2NH3 (g) <--> N2 (g) + 3H2 (g)

Initial concentration 2.2 mol/0.95L 1.1 mol/0.95L 0

change in concentration 2x x 3x

-0.84 M +0.42M +1.26M

Equilibrium 1.4 mol/0.95L=1.47M 1.58 M 1.26 M

concentration

Change in concentration(NH3) = (2.2-1.4)mol/0.95 L = 0.84M

Equilibrium concentration (N2) = 1.1/0.95 +0.42=1.58 M

Equilibrium concentration(NH3) = 1.4/0.95 = 1.47M

K = [N2]*{H2]/[NH3] = 1.58M*1.26M/1.47M = 1.35 M

8 0

2 years ago

To make a solution less concentrated, it is _____________________.

Crazy boy [7]

Answer:

Diluted

Explanation:

Imagine having a sugar filled water (like a lot of them). This is a strong solution.

You can dilute this by adding more water to make it less concentrated.

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3 years ago

Read 2 more answers

A solution is made

Anna11 [10]

Answer:

99.3%

Explanation:

The percent by mass of the solute can be expressed as:

% mass = $\frac{MassSolute}{MassSolute+MassSolvent}$ * 100%

And for this problem:

Mass of Solute = Mass of sodium lithium chloride = 29 g

Mass of Solvent = Mass of Water

So to calculate the percent by mass first we need to calculate the mass of water, to do so we use its density (1 g/L):

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Density water = mass water / volume

1 g/L = mass water / 0.202 L

Mass water = 0.202 g

Now we have all the data required to calculate the % mass:

% mass = $\frac{29g}{29g+0.202g}$ * 100 % = 99.3%

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3 years ago

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Leni [432]

Answer:

Protein

Explanation:

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3 years ago