All categories

3 years ago

Why does an aqueous solution of an ionic substance conduct an electric current?.

Chemistry

1 answer:

alisha [4.7K]3 years ago

7 0

Answer:

Because ions in an aqueous solution are free to move independently from each other. the net flow of cations toward a negative or positive electrode results in a flow of charge, which is an electrical current.

Explanation:

You might be interested in

10) Explain what arsenic had to do with preserving bodies in the past and how that related to Sylvester’s body. Tell me how the

Salsk061 [2.6K]

10) Arsenic is a chemical agent which was used in preserving dead bodies in the past. It is mainly a formaldehyde mixture with coloring agents to give a dead body the look of life. Sylvester was a third mummy that was embalmed with arsenic in the late 1800s and is now on exhibit at Ye Olde Curiosity Shop in Seattle, Washington. His mummified body showed an extremely unusual since the remains weighed approximately 80 lbs when a body is composed of 70-80% water, after dehydration, the weight should be about 20-30% the premortem weight. The solution was also used during Civil War to preserve dead bodies as the dead were being shipped home from the battlefield.

9) Research can yield dates when certain plants/animals became domesticated and entered the standard diets of people, meaning you would not see masses eating beef before the cow became domesticated. To further this you can look at when a specific food was introduced into the diets of people in the geographic area of the person you are studying.

5 0

4 years ago

DIRECTIONS: Underline the selected word item that best completes the statements.

tigry1 [53]

Explanation:

(Climate, Weather) is an overall atmospheric condition of a place of 30 years and more while (Climate,Weather) is a condition for a short period of time.

2. (Climate, Weather) is influenced by latitude, altitude, ocean current, and topography.

3. The (higher, lower) the altitude, the (colder, warmer) the climate.

4. (Windward, Leeward) area of the mountain forms precipitation while (Windward,Leeward) gives dry air and warm weather.

5. Ocean currents bring (cold, warm) water and rain from the equator to the poles and (cold, warm) water from the poles toward the equator

3 0

3 years ago

Help me I hate science so much

mestny [16]

Answer:

it would be sciemce

Explanation:

yeah because its hargf

8 0

3 years ago

Read 2 more answers

Take a balloon that we filled up with our breath. Tell me what would happen if we put it outside and let it sit in the sun for a

umka2103 [35]

The balloon will be filled by a gas, and as the gas is not escaping we can assume that it is at a constant pressure.

The KMT (Kinetic Molecular Theory) explains the macroscopic properties of gases. This theory states that gases are formed by particles in constant motion, and that their kinetic energy is directly proportional to the temperature of the gas.

If we leave the balloon filled with gas in the sun we assume that the temperature of the gas inside will start to rise. When the temperature starst to rise, and the pressure is constant, particles will gain kinetic energy. This will result in particles moving faster and coliding with each other and with the balloon's walls more often. As a consecuence the particles will tend to stay farther from one another and the volume of the balloon will increase.

This is an example of Charles's Law that states that at constant pressure the volume of a gas is directly proportional to its temperature. In other words, when the temperature of the gas increases the volume increases as well.

To summarize, if we fill a balloon and we leave it in the sun its volume will increase.

6 0

1 year ago

(ii) Calculate the maximum mass of ethanol that could be obtained g from 30.0 g of glucose.

Step2247 [10]

Taking into account the reaction stoichiometry, 15.33 grams ethanol could be obtained from 30 grams of glucose.

<h3>Reaction stoichiometry</h3>

In first place, the balanced reaction is:

C₆H₁₂O₆ → 2 C₂H₅OH + 2 CO₂

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

C₆H₁₂O₆: 1 mole
C₂H₅OH: 2 moles
CO₂: 2 moles

The molar mass of the compounds is:

C₆H₁₂O₆: 180 g/mole
C₂H₅OH: 46 g/mole
CO₂: 44 g/mole

Then, by reaction stoichiometry, the following mass quantities of each compound participate in the reaction:

C₆H₁₂O₆: 1 mole ×180 g/mole= 180 grams
C₂H₅OH: 2 moles ×46 g/mole= 92 grams
CO₂: 2 moles ×44 g/mole= 88 grams

<h3>Mass of C₂H₅OH formed</h3>

The following rule of three can be applied: if by reaction stoichiometry 180 grams of glucose form 92 grams of ethanol, 30 grams of glucose form how much mass of ethanol?

$mass of ethanol=\frac{30 grams of glucosex 92 grams of ethanol}{180 grams of glucose}$

mass of ethanol= 15.33 grams

Then, 15.33 grams ethanol could be obtained from 30 grams of glucose.

Learn more about the reaction stoichiometry:

brainly.com/question/24741074

brainly.com/question/24653699

#SPJ1

3 0

2 years ago