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3 years ago

How does surface area affect evaporation?

2 answers:

8 0

The surface area affects evaporation because the more area exposed to air allowing water to acquire more heat energy hope this helps :)

GREYUIT [131]3 years ago

3 0

An estimated value of 90% of the water in the atmosphere comes from Earth's water. Some water evaporates from the water on land, but the majority of the water vapor evaporates from the water on Earth's oceans. The ocean covers most of Earth's surface. As a result, the oceans receive most of the solar energy that reaches Earth.

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Sterling silver contains silver and copper metals. if a sterling silver chain contains 17.6g of silver and 2.40g of copper, what

Bogdan [553]

Answer:- 0.88

Solution:- Masses of silver and copper metals are given and we are asked to calculate the percentage of silver in the alloy.

mass percent of Ag = $(\frac{mass of Ag}{mass of alloy})*100$

Mass of Ag = 17.6 g

mass of Cu = 2.40 g

mass of alloy = 17.6 g + 2.40 g = 20.0 g

Let's plug in the values in the formula:

mass percentage of Ag = $(\frac{17.6}{20.0})*100$

mass percentage of Ag = 88%

So, the mass percentage of silver in sterling silver is 88% and in decimal form it is 0.88.

7 0

3 years ago

Which chemical equation correctly represents the formation of water and carbon dioxide from the decomposition of carbonic acid i

finlep [7]

Carbonic acid refers to a weak inorganic acid, which is also known as the solution of carbon dioxide in water. It only prevails as a solution and is also known as the aerial acid, acid of air, dihydrogen carbonate, or carbon dioxide solution. It is most familiar as a constituent of the majority of the aerated drinks like soft drinks and sodas.

The carbonic acid's chemical formula is H₂CO₃. Its decomposition to water and carbon dioxide is shown by the equation:

H₂CO₃ (g) = H₂O (l) + CO₂ (g)

5 0

4 years ago

4. Assuming the reaction below is at equilibrium, which of the following changes will drive the reaction to the left? C(s) + O2(

shepuryov [24]

Answer:

Increasing temperature

Explanation:

$C(s) + O_2(g) \leftrightharpoons CO_2(g)$

Enthalpy of the reaction = -393.5 kJ/mol

Negative sign implies that reaction is exothermic.

Effect of change in reaction condition is explained by Le chateliers principle.

According to Le chateliers principle, if the reaction conditions of a reversible reaction in a state of dynamic equilibirum is changed, the reaction will move in a direction to counteract the change.

1. Increasing the temperature

Forward reaction is exothermic that means temperature increases in forward direction. Backward reaction will be endothermic and so there is decrease in temperature in backward direction or in left direction.

On increasing temperature, reaction will be move in direction to counteract the increased temperature, therefore reaction will move in left direction.

2. Adding O2

If O2 is added, then reaction will move in a direction in which its get consumed. So, reaction will move in forward direction or in right direction.

3. Removing C (s)

Le Chatelier's principle does not apply on solids, so removal of C(s) does not affect the equilibrium.

4 0

4 years ago

Read 2 more answers

Is the cause of rapid oxidation explosion

melamori03 [73]

Rapid oxidation results in burning of a material or even an explosion. It happens rapidly and produces light and noticeable heat. Combustion or burning is rapid oxidation. But combustion can also refer to rapid burning where oxygen is not involved

7 0

3 years ago

What type of reaction is this?—- Large Compound=Element A+Element B

Sav [38]

This reaction is decomposition. It is the breakdown of a compound into simpler and smaller elements.

6 0

3 years ago