How is Alcohol evaporates physical or chemical change?

How is Alcohol evaporates physical or chemical change?
by

1 Answer

Answer :

Need answer
by

Related questions

Is the liquid propane in a barbecue evaporates away because the user left the valve open a chemical or physical change?

Description : Is the liquid propane in a barbecue evaporates away because the user left the valve open a chemical or physical change?

Last Answer : It's a physical change. Chemically, it's still propane - butit's physically changed from a liquid to a gas.

If ethyl alcohol boils at 79 degrees Celsius a physical or chemical change?

Description : If ethyl alcohol boils at 79 degrees Celsius a physical or chemical change?

Last Answer : Feel Free to Answer

After long periods of use, a gray spot develops on the inside of a bulb. This is because of: A. The tungsten filament evaporates and collects there B. The heat of the bulb scorches the glass at the top C. Dust inside the bulb condenses on the top D. Glass undergoes a change due to the heat

Description : After long periods of use, a gray spot develops on the inside of a bulb. This is because of: A. The tungsten filament evaporates and collects there B. The heat of the bulb scorches the glass at the top C. Dust inside the bulb condenses on the top D. Glass undergoes a change due to the heat

Last Answer : ANSWER: A

After long periods of use, a grey spot develops on the inside of a bulb. This is because – (1) the tungsten filament evaporates and collects there (2) the heat of the bulb scorches the glass at the top (3) dust inside the bulb condenses on the top (4) glass undergoes a change due to the heat

Description : After long periods of use, a grey spot develops on the inside of a bulb. This is because – (1) the tungsten filament evaporates and collects there (2) the heat of the bulb scorches the glass at the top (3) dust inside the bulb condenses on the top (4) glass undergoes a change due to the heat

Last Answer : (3) dust inside the bulb condenses on the top Explanation: At high operating temperatures, tungsten evaporates from the filament and gradually forms a gray film on the inside of the bulb. The inert ... spot develops in the filament. When this happens, the filament will break and the bulb fails.

What happens to a liquid, when the vapour pressure equals the atmospheric pressure? (1) The liquid cools (2) The liquid boils (3) No change (4) The liquid evaporates

Description : What happens to a liquid, when the vapour pressure equals the atmospheric pressure? (1) The liquid cools (2) The liquid boils (3) No change (4) The liquid evaporates

Last Answer : (2) The liquid boils Explanation: Ordinary evaporation is a surface phenomenon -since the vapor pressure is low and since the pressure inside the liquid is equal to atmospheric pressure plus ... pressure is equal to atmospheric pressure, bubbles form, and the vaporization becomes a volume phenomena.

What happens to a liquid, when the vapour pressure equals the atmospheric pressure? (1) The liquid cools (2) The liquid boils (3) No change (4) The liquid evaporates

Description : What happens to a liquid, when the vapour pressure equals the atmospheric pressure? (1) The liquid cools (2) The liquid boils (3) No change (4) The liquid evaporates

Last Answer : The liquid boils

After long periods of use, a grey spot develops on the inside of a bulb. This is because (1) the tungsten filament evaporates and collects there (2) the heat of the bulb scorches the glass at the top (3) dust inside the bulb condenses on the top (4) glass undergoes a change due to the heat

Description : After long periods of use, a grey spot develops on the inside of a bulb. This is because (1) the tungsten filament evaporates and collects there (2) the heat of the bulb scorches the glass at the top (3) dust inside the bulb condenses on the top (4) glass undergoes a change due to the heat

Last Answer : dust inside the bulb condenses on the top

I would like to know if there is anyone else out there who evaporates their tap water of chlorine for drinking purposes?

Description : I would like to know if there is anyone else out there who evaporates their tap water of chlorine for drinking purposes?

Last Answer : answer:I've recently been looking into the effects of chlorinated tap water on vegetable plants. One interesting point I found was that the typically mentioned 24 hour period to evaporate the chlorine was a ... the air-at least not at my house. Maybe putting the container in the oven would help.

How does iron evaporates?

Description : How does iron evaporates?

Last Answer : Need answer

What Source of most water that evaporates from Earth's surface?

Description : What Source of most water that evaporates from Earth's surface?

Last Answer : Water is evaporated from oceans, seas, lakes, rivers.

What is it called when water evaporates from the leaves of the plant?

Description : What is it called when water evaporates from the leaves of the plant?

Last Answer : This phenomenon is called transpiration.

What happens when lemonade evaporates?

Description : What happens when lemonade evaporates?

Last Answer : Feel Free to Answer

What Source of most water that evaporates from earths surface?

Description : What Source of most water that evaporates from earths surface?

Last Answer : Water is evaporated from oceans, seas, lakes, rivers.

A substance that evaporates at room temperature is described as __________. What word completes the sentence?

Description : A substance that evaporates at room temperature is described as __________. What word completes the sentence?

Last Answer : Gas

Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land? [CSAT 2011] (a) It greatly increases the crop production (b) It makes some soils impermeable (c) It raises the water table (d) It fills the air spaces in the soil with water

Description : Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land? [CSAT 2011] (a) It greatly increases ... c) It raises the water table (d) It fills the air spaces in the soil with water

Last Answer : Ans: (b)

Melting temperature of DNA is the temperature at which (A) Solid DNA becomes liquid (B) Liquid DNA evaporates (C) DNA changes from double helix into supercoiled DNA (D) Native double helical DNA is denatured

Description : Melting temperature of DNA is the temperature at which (A) Solid DNA becomes liquid (B) Liquid DNA evaporates (C) DNA changes from double helix into supercoiled DNA (D) Native double helical DNA is denatured

Last Answer : Answer : D

The surface of water in a pond remains cool even on a hot day because 1. water evaporates at the surface and evaporation causes cooling 2. the heat absorbed at the surface is transmitted downwards 3. Water in contact with the bottom of the pond becomes cool and rises to the surface due to convection Which of the above statements is/are correct? (a) 1 only (b) 3 only (c) 1 and 3 (d) 1, 2 and 3

Description : The surface of water in a pond remains cool even on a hot day because 1. water evaporates at the surface and evaporation causes cooling 2. the heat absorbed at the surface is transmitted downwards 3. Water in contact with the bottom ... /are correct? (a) 1 only (b) 3 only (c) 1 and 3 (d) 1, 2 and 3

Last Answer : Ans:(a)

A little ether on the palm gives a cooling sensation because ether (a) is a cold liquid (b) evaporates (c) enters the pores of the skin (d) condenses on the palm

Description : A little ether on the palm gives a cooling sensation because ether (a) is a cold liquid (b) evaporates (c) enters the pores of the skin (d) condenses on the palm

Last Answer : Ans:(b)

Plants are killed in winter by frost because (a) No photosynthesis occurs at low temperature (b) Of desiccation (c) Water in the plants freezes (d) Water in the plants evaporates

Description : Plants are killed in winter by frost because (a) No photosynthesis occurs at low temperature (b) Of desiccation (c) Water in the plants freezes (d) Water in the plants evaporates

Last Answer : Ans:(b)

During hot weather, the fan produces a feeling of comfort. This is because – (1) fan supplies cool air (2) fan cools the air (3) our perspiration evaporates rapidly (4) conductivity of air increases

Description : During hot weather, the fan produces a feeling of comfort. This is because – (1) fan supplies cool air (2) fan cools the air (3) our perspiration evaporates rapidly (4) conductivity of air increases

Last Answer : (3) our perspiration evaporates rapidly Explanation: Fans make the air more comfortable for two reasons: (1) by moving the air, they blow away body heat and evaporate sweat, cooling the body, and (2) they also mix the cooler air near the floor with the warmer air by people's faces.

When hot-water is sprinkled on a hotter glass tumbler, it breaks because – (1) glass suddenly expands (2) glass suddenly contracts (3) water evaporates (4) glass reacts chemically with water

Description : When hot-water is sprinkled on a hotter glass tumbler, it breaks because – (1) glass suddenly expands (2) glass suddenly contracts (3) water evaporates (4) glass reacts chemically with water

Last Answer : (2) glass suddenly contracts Explanation: If the poured liquid is relatively hotter or colder in comparison to the tumbler, it will break. When hot water is poured into a tumbler there is an uneven increase in the thermal expansion of the walls of the vessel.

In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres. (A) Polythene (B) PVC (C) Rayon (D) Polyvinyl acetate

Description : In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament ... is used for __________ fibres. (A) Polythene (B) PVC (C) Rayon (D) Polyvinyl acetate

Last Answer : (B) PVC

. An evaporator while concentrating an aqueous solution from 10 to 40% solids evaporates 30000 kg of water. The amount of solids handled by the system in kg is (A) 4000 (B) 9000 (C) 4600 (D) 3000

Description : . An evaporator while concentrating an aqueous solution from 10 to 40% solids evaporates 30000 kg of water. The amount of solids handled by the system in kg is (A) 4000 (B) 9000 (C) 4600 (D) 3000

Last Answer : (A) 4000

Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land? a. It greatly increases the crop production b. It may lead to crop yield loss c. It raises the water table d. It fills the air spaces in the soil with water

Description : Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land? a. It greatly increases the crop ... c. It raises the water table d. It fills the air spaces in the soil with water

Last Answer : b. It may lead to crop yield loss

When hot-water is sprinkled on a hotter glass tumbler, it breaks because (1) glass suddenly expands (2) glass suddenly contracts (3) water evaporates (4) glass reacts chemically with water

Description : When hot-water is sprinkled on a hotter glass tumbler, it breaks because (1) glass suddenly expands (2) glass suddenly contracts (3) water evaporates (4) glass reacts chemically with water

Last Answer : glass suddenly contracts

Fermentation of grapes is considered as a chemical reaction as it is a (a) chemical change (b) sugar in grapes converts into alcohol (c) Irreversible change (d) all the above

Description : Fermentation of grapes is considered as a chemical reaction as it is a (a) chemical change (b) sugar in grapes converts into alcohol (c) Irreversible change (d) all the above

Last Answer : (d) all the above

Caffeine doesn't create strong physical addiction, in other words it's relatively easy to stop taking caffeine. Why do many people compare it to drugs like nicotine or alcohol?

Description : Caffeine doesn't create strong physical addiction, in other words it's relatively easy to stop taking caffeine. Why do many people compare it to drugs like nicotine or alcohol?

Last Answer : Caffeine no longer has any effect at all on me. (Noticeably anyway) .. so I don’t know why people compare it to drugs other than that perhaps it actually works for others.. and that little kick they get is like a “high”.

What produced the physical and mental changes by drinking alcohol?

Description : What produced the physical and mental changes by drinking alcohol?

Last Answer : Intoxication

What accumulates in the muscles after continuous strenuous physical exercise as a result of temporary anaerobic respiration that causes muscular fatigue? (1) ATP (2) Lactic acid (3) Ethyl alcohol (4) Carbon dioxide

Description : What accumulates in the muscles after continuous strenuous physical exercise as a result of temporary anaerobic respiration that causes muscular fatigue? (1) ATP (2) Lactic acid (3) Ethyl alcohol (4) Carbon dioxide

Last Answer : (2) Lactic acid Explanation: Anaerobic reactions break down glucose into pyruvic acid, which then reacts to produce lactic acid. As muscle metabolism shifts from aerobic to anaerobic ATP production, ... begins to accumulate in muscles and to appear in the bloodstream. This leads to muscle fatigue.

Which of the following motivating factors is the least important for the alcohol drinking habit: A. Physical dependence on alcohol B. Pleasurable feelings induced by alcohol C. Attitude to relate drinking with enjoyment D. Social belief that alcohol intoxicated subject is unmindful of his actions

Description : Which of the following motivating factors is the least important for the alcohol drinking habit: A. Physical dependence on alcohol B. Pleasurable feelings induced by alcohol C. Attitude to relate drinking with enjoyment D. Social belief that alcohol intoxicated subject is unmindful of his actions

Last Answer : A. Physical dependence on alcohol

Regular low-to-moderate alcohol consumption is associated with: A. Lower incidence of coronary artery disease B. Myocardial depression C. Physical dependence D. Wernicke's encephalopathy

Description : Regular low-to-moderate alcohol consumption is associated with: A. Lower incidence of coronary artery disease B. Myocardial depression C. Physical dependence D. Wernicke's encephalopathy

Last Answer : A. Lower incidence of coronary artery disease

What accumulates in the muscles after continuous strenuous physical exercise as a result of temporary anaerobic respiration that causes muscular fatigue ? (1) ATP (2) Lactic acid (3) Ethyl alcohol (4) Carbon dioxide

Description : What accumulates in the muscles after continuous strenuous physical exercise as a result of temporary anaerobic respiration that causes muscular fatigue ? (1) ATP (2) Lactic acid (3) Ethyl alcohol (4) Carbon dioxide

Last Answer : Lactic acid

What is the difference between a chemical change and a physical change?

Description : What is the difference between a chemical change and a physical change?

Last Answer : Answer: A chemical change is a process that results in the formation of one or more new substances with different chemical properties, while a physical change is a process that changes the physical ... it changes the state of the water from solid to liquid without changing its chemical composition.

What is the difference between a physical change and a chemical change?

Description : What is the difference between a physical change and a chemical change?

Last Answer : A: A physical change involves a change in physical appearance, while a chemical change involves a change in chemical composition.

What is the difference between a chemical and a physical change?

Description : What is the difference between a chemical and a physical change?

Last Answer : A: A chemical change results in the formation of new substances with different chemical properties, while a physical change does not result in the formation of new substances.

Wouldn't an electron exchange in a chemical reaction be considered a physical change?

Description : Wouldn't an electron exchange in a chemical reaction be considered a physical change?

Last Answer : Do your own homework. Seriously.

Is there really a difference between a chemical change and a physical change?

Description : Is there really a difference between a chemical change and a physical change?

Last Answer : Yes? A total difference.

Give me 5 examples of physical change & chemical change?

Description : Give me 5 examples of physical change & chemical change?

Last Answer : If I remember correctly chemical change- bubbles, smell, color, temperature, light emitted, taste… I think there are more. Physical… Seems kind of obvious. Try reading your book instead of asking Fluther to help you with your homework.

Why is the tearing of paper a physical change not a chemical change?

Description : Why is the tearing of paper a physical change not a chemical change?

Last Answer : Found a possible answer =/ http://answers.yahoo.com/question/index?qid=20081017160844AAXQ9jE

12.Few iron filings and a pinch of sulphur powder are taken in a china dish and mixed properly. Justify the change, giving two points as physical/chemical change. -Chemistry

Description : 12.Few iron filings and a pinch of sulphur powder are taken in a china dish and mixed properly. Justify the change, giving two points as physical/chemical change. -Chemistry

Last Answer : It is a physical change as if we will bring the magnet near it all the iron fillings will attract towards it. Hence it shows the properties of it constituents are present so, no new substance is formed. Therefore, it is a physical change .

tearing a piece of paper in half physical or chemical change?

Description : tearing a piece of paper in half physical or chemical change?

Last Answer : Physical change

is stapling an envelope a Physical or chemical change?

Description : is stapling an envelope a Physical or chemical change?

Last Answer : A physical change

Does freezing chocolate covered bananas is a physical change or a chemical change?

Description : Does freezing chocolate covered bananas is a physical change or a chemical change?

Last Answer : Physical change

What is the meaning of Physical Change What is the meaning of Chemical Change?

Description : What is the meaning of Physical Change What is the meaning of Chemical Change?

Last Answer : PHYSICAL CHANGE - refers to the change in size, shape, or state of matter.CHEMICAL CHANGE - happens when one chemical substance is transformed into one or more different substance, such as iron becomes rust.

is this a chemical or a physical change you toast a bread and it is all burned

Description : is this a chemical or a physical change you toast a bread and it is all burned

Last Answer : It is a chemical change.

The addition of any substance to water which leads to change in its physical and chemical characteristics is defined as water pollution. It results in

Description : The addition of any substance to water which leads to change in its physical and chemical characteristics is defined as water pollution. It results in

Last Answer : The addition of any substance to water which leads to change in its physical and ... Increased photosynthesis D. Increased turbidity and deoxygenation

What is Burning sugar for caramel is a physical change or a chemical change?

Description : What is Burning sugar for caramel is a physical change or a chemical change?

Last Answer : Need answer

Is copper one pounded into sheets is a chemical or physical change?

Description : Is copper one pounded into sheets is a chemical or physical change?

Last Answer : This is a physical change.

Is A car fender rusting a physical or chemical change?

Description : Is A car fender rusting a physical or chemical change?

Last Answer : Uhh definitely a chemical

Is crushing a can a physical change or chemical?

Description : Is crushing a can a physical change or chemical?

Last Answer : Why y'all wanna know listen to teacher