when 100cm³ of distilled water at 20°C is mixed with 100cm³ of pure ethanol at 20°C, the resultant mixture has a volume of only 193cm³​

Give reason why this is so.

Answers

Answer 1

Answer:

See Explanation

Explanation:

If we look at the question closely, we will notice that 100cm³ of distilled water and  100cm³ of pure ethanol were mixed with both solutions at a temperature of 20°C. The resulting solution was found to occupy only 193cm³ instead of 200cm³​.

The reason for this is the great degree of intermolecular hydrogen bonding between ethanol and water molecules. This causes the molecules to draw closer and stick around each other causing the volume of the solution to reduce as observed above.


Related Questions

Why do you think it is necessary for the FDA to monitor drug advertising claims?

Answers

The FDA regulates advertising only for prescription drugs. We also oversee the advertising for certain kinds of medical devices, such as hearing aids, the lasers used in LASIK procedures, and contact lenses

True or False When you keep your health triangle in balance, you are working towards WELLNESS.

Answers

The answer is true.

If George has stopped losing weight before he meets his weight loss goal, he should
stop exercising for a while
increase his wind sprints
do more cardiovascular exercise
make more realistic goals

Answers

Answer:

C, do more cardiovascular exercise.

Do more cardiovascular exercise.

Answer as many as you can you don't need to do all though from the movie My All American:
1. Describe Freddie’s self-esteem from the time he was little kid and any changes that may have occurred as his life continued.
2. What was Freddie’s best quality? Why?
3. If you were Freddie, how does the story go?
4. Is self-esteem/ self-worth important in our daily life? Why?
5. Is life arbitrary? How have you heard others respond to the question about bad things happening to good people? Have they helped you make sense of the world or made it more difficult to understand?
I would appreciate if you did all though lol

Answers

Answer:

dont use exact words but here

Explanation:

4. Self esteem refers to what you think about yourself. Vital aspects to human life such as confidence, motivation, and even mood are all based on self esteem. Self worth on the other hand rises above the designated concepts of self esteem. It is ones own assessment of themselves. Think about it like the classical scale of 1-100. Sadly it is often associated with comparing yourself to others, as in the "worth." Although self worth is often referred to as self esteem they are in fact different. Self esteem is generally an evaluation of ones self worth based on physical and mental stigmas.

5. Life is certainly arbitrary, however not in the deadened way many pronounce it to be. While many blame, or revere, the randomness of life, for example cases of tragedy like a family member dying, life is beholder. Nothing is plainly good nor bad. It is how we assess, and react to this irrationality that shapes our personalities. Those that tend to think more negatively are the ones that you commonly hear the phrase "bad things happen to good people" from. Bad things happen to everybody. Being able to make good out of every situation, especially the ones we may feel are irreparable, is how one may find true happiness, and success.

Help me on this please​

Answers

Answer:Shattered

Explanation:

A young man was diagnosed with a bacterial bladder
infection and was prescribed antibiotics. He was told to ingest one pill every
day for one week. Antibiotics are a type of medicine that kill bacteria that
cause disease. Sometimes antibiotics kill good bacteria too. Two weeks
later the young man goes back to the doctor. He cut himself accidentally
and the bleeding won’t stop. Why could the young man have this new
problem?

Answers

Answer:When he took the antibiotics if got rid o his god bacteria so that caused his blood flow to be fast so it will eventually stop but the blood flow it so fast that its hard to stop it. Plz give me brainleist

Explanation:

What are Stimulants and give an example of a type of stimulant drug?

Answers

Answer:

It is a substance that raises level of physiological or nervous activity in the body.

example: cocaine, amphetamin,meth,crack.

Which of the following in NOT a healthy way to deal with conflict

Answers

Not a healthy way to deal with conflict is fighting.

To reduce the risk of fire, prohibit _____ in the restrooms, storage areas, and food preparation areas.


unused electrical equipment

oils and fats

aerosol cans

smoking

Answers

Answer:

either A or D I think. I'm not for sure,in it makes sense

if a person cut but it doesn't hurt them are they rly human

Answers

Answer:

Yes because there are certain places where if you get a papercut, for example, wouldn't hurt at all because you didn't cut a nerve - which is the main reason why getting a cut hurts.

Answer:

Yes but they could be immune to pain‍♀

Explanation:

What do you predict might influence people to make certain food choices?
What are at least two internal influences and two external influences on your food choices?
Explain how you can use this information to make healthful food choices.

Answers

Answer:

I predict that it is the cheap pricing and addiction to sugar and junk foods most people have now.

Explanation:

Build off of my examples in your own words..

i only have 15 mintes left please help 100 points




1. Sally wants to make time to exercise because it's her time for herself.

2. How you think about exercise helps decide if you'll do it or not.

3. Dennis is motivated to exercise because he wants to build muscle in his chest and arms.
4. It's true that you'll have obstacles and setbacks in your exercise.

5. Jillian thinks about how much progress she is making each time she works out.





exercise as a personal reward
motivation being a mindset
there not being such a thing as perfection
positive self-talk
focusing on the ultimate goal

Answers

Answer:

1. Excersize as a personal reward

2. There is no such thing as perfection

3. Focusing on the ultimate goal

4. Motivation as a mindset

5. Positive self talk

Explanation:

I think this is what you're supposed to do. Sorry if this is wrong, but you didn't give much explanation.

The pulmonary arteries carry____blood

(A)oxygen-poor
(B)oxygen-rich
(C)carbon-dioxide-free
(D)carbon-dioxide-rich

Someone plz help

Answers

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The pulmonary artery carries deoxygenated blood from the right ventricle to the lungs. The blood here passes through capillaries adjacent to alveoli and becomes oxygenated as part of the process of respiration.

Answer:

The pulmonary artery carries deoxygenated blood from the right ventricle to the lungs.

Explanation:

What is a diet?

A.Diet is all the food and drinks you eat on a daily basis.

B.Diet is the drinks you drink on a daily basis

C.Diet is the water you drink on a daily basis​​

Answers

Answer:

A

Explanation:

Answer:

A: Diet us all the foods and drinks you eat on a daily basis

Explanation:

A Diet is something that you eat daily and stuff


Fats that are solid at room temp and can cause heart disease are called
Unsaturated Fats.

True
False

Answers

Answer:

false

Explanation:

unsaturated fats are liquid at room temprature .

Calories are contained in a food’s fat, carbohydrate, and protein.

True
False

Answers

Answer: true

Explanation:

Carbs, proteins, and fat all have about the same amount of calories. False. Carbohydrate and protein each weigh in at 4 calories per gram, while fat has 9 calories per gram, and alcohol has 7 calories per gram. Ounce for ounce, foods that contain mostly fat are more than twice as calorie-dense as carbs or protein.

Answer:

true

Explanation:

WILL MARK BRAINLYIST IF CORRECT PLEASE HELP

Answers

10-small intestine
9-kidney
8-cervical
7-mandible

PLEASE HELP....

9. the ________ are protrusions into the lumen inside the small intestine that create an increased surface area for nutrient absorption.

a villa
b rugae
c sphincter
d uvula

10. imagine that you are tracking the path of fecal matter as it moves through the large intestines. which section of the large intestine comes immediately after the cecum?

a Sigmund colon
b descending colon
c ascending colon
d transverse colon
e rectum

11. GERD is a disease characterized by:

a gastric acid washing backwards up into the esophagus
b malabsobption of wheat gluten
c auto-immune attack on the bowel
d the formation of stones in the gallbladder ​

Answers

9. A villa
10. C ascending colon
11. A. Gastric acid

What is the difference between individual and public health?

Answers

Individual Health is focused on one patient, public health is focused on health of populations

Lymphocytes known as blastocysts help make antibodies that fight infection. Please select the best answer from the choices provided T F Ayúdame amigo

Answers

Answer:

False yo

Explanation:

1: a more active person will pump more or less blood per beat?

2: this means that a more or less active person heart works more efficiently?

help ;;

Answers

It is true

Explanation:

when the body is in possession the heart is to pump more blood the every part of the human body

Proper amounts of "high protein" foods are needed by people of all ages primarily for
Select one:
of
estion
a. building bones and teeth
b. building and repairing body tissues
c. guarding against overweight
d. building resistance to disease

Answers

Answer:

B

Explanation:

Answer:

A: Building bones and teeth

Explanation:

I'm pretty sure it's this because protein is supposed to make you strong

Which phase of meiosis I is responsible for dividing the cytoplasm?
O prophase!
O metaphase!
O anaphase
O telophasel

Answers

Answer:

d. telophase I

Explanation:

Telophase I results in the production of two non identical daughter cells, each of which has half the number of chromosomes of the original parent cell.

EEGs, or electroencephalograms, are often conducted to diagnose epilepsy. The word “electroencephalogram” means

Answers

Answer:

a test or record of brain activity produced by electroencephalography.

"I had an electroencephalogram and a number of other tests"

Explanation:

Answer:

D. “a record of electrical activity in the brain.”

Explanation: Hope it helps ^w^

what is the meaning of life?Ω

Answers

Answer:

One popular definition is that organisms are open systems that maintain homeostasis, are composed of cells, have a life cycle, undergo metabolism, can grow, adapt to their environment, respond to stimuli, reproduce and evolve. Other definitions sometimes include non-cellular life forms such as viruses and viroids

Answer:

okay, I will explain this in a more simple defination

Explanation:

life is the daily activities we indulge in, it's the reason we wake up every morning

What is perception as it pertains to mental health?

Answers

ANSWER:mental perception is the cognition which determines an object as 'this'
Hope this helps in some way, Thank you

6. PLEASE HELP! I’ll mark brainliest

Answers

Answer:

I think it's A.

Explanation:

It contains significant amounts of valuable metals such as mercury, cadmium, and lead that can be harvested and sold.

A location that easily ignitable fibers or materials producing combustible
flyings are handled, manufactured or used is known as:
Class I, Division 2
Class II, Division 1
Class II, Division 2
Class III, Division 1

Answers

Answer:

I think its Class III division 1

Explanation:

Hope Im right

Answer:class lll division 1

Explanation:

what is The relationship between burning food outside the body and food reacting with oxygen inside the body is ​

Answers

Answer:

Your body cells use the oxygen you breathe to get energy from the food you eat. This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar. The main focus of this lesson is to review the basics of respiration (breathing) and to teach students the importance of oxygen to the human body. To burn food for the release of energy stored in it, oxygen must be supplied to cells, and carbon dioxide removed.

I drink monster 1-2 times a day (7 days a week), I'm 4'9" and 80 pounds (eating disorder, please don't remind me I'm built like a five year old) but do you think monsters could have a negative affect on my health? If so, what kind of problems would occur?

Answers

Answer:

yes, consuming energy drinks at this rate could negatively affect your health. Energy drinks do not provide the necessary nutrients for survival and may also affect cardiac health.

Explanation:

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