Which is denser—water at 15°C, water at 4°C, or water at 60°C? Explain

Answers

Answer 1

Answer:

Explanation:

Basically it's because of two opposing forces: thermal kinetic expansion and H-bonding. One is the fundamental thermal force, that as things get warmer, the molecules move around more, so they get farther apart and so become less dense. ... At 4 degrees C these two forces work out to make water the most dense


Related Questions

What health related physical fitness component should be included in a plan to improve fitness, health, and wellness?

Answers

Answer:

There are five components of physical fitness: (1) body composition, (2) flexibility, (3) muscular strength, (4) muscular endurance, and (5) cardiorespiratory endurance. A well-balanced exercise program should include activities that address all of the health-related components of fitness.

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Cardiovascular and muscular endurance, muscular strength, flexibility, and body composition are components of physical fitness that improve fitness, health, and wellness.

What are the components of physical fitness?

The fitness of the body is the measure of the performance of each of the components of physical fitness.

The five components of physical fitness are -

Cardiovascular endurance Muscular fitness Muscular endurance Body composition Flexibility.

These are the five components of physical fitness that are analyzed in every test of physical fitness.

Therefore, these are the components of physical fitness that help in improving fitness, health, and wellness.

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Influence of self-esteem when the teenagers are faced with a choice of risky behaviours

Answers

Explanation:

"Low self-esteem in children is a sure way to push them toward engaging in risky and reckless sexual behavior as teens. They wish to be popular and the inability to make wise decisions about the consequences of one's actions is at the core of the problem,

The optional needs a parent has to financially provide for a child

Answers

In child support, the non-custodial parent is required to provide support to the custodial parent to ensure that their child has sufficient financial means. However, in certain circumstances, there may be optional needs that a parent has to financially provide for their child.

These optional needs can be anything from medical expenses that are not covered by insurance to private school tuition. If the custodial parent can demonstrate to the court that the optional expense is reasonable and necessary, then the non-custodial parent may be required to provide financial support for these expenses.

In order for these optional expenses to be taken into consideration by the court, they must meet certain criteria. Firstly, the expenses must be considered reasonable and necessary for the child's wellbeing. This means that they must not be frivolous or extravagant in nature. Secondly, the expenses must be proven to be directly related to the child.

For example, if a parent wants to enroll their child in a private school, they must demonstrate how this school is more suited to their child's needs than a public school. Lastly, the custodial parent must demonstrate that they cannot afford the optional expense on their own. This means that the court will not force the non-custodial parent to pay for expenses that the custodial parent can already afford.

In conclusion, the non-custodial parent may be required to provide financial support for optional expenses if they are deemed reasonable and necessary for the child's wellbeing, directly related to the child, and if the custodial parent cannot afford them on their own.

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Which word is the best synonym for stress?
Depression
Discomfort
Irritability
Anxiety

Answers

Answer:

I would say anxiety because stress causes it and makes you start worrying about everything

Explanation:

which of the following practices increases the risk of peptic ulcer? multiple choice chewing gum smoking cigarettes drinking orange juice eating a low-fiber diet

Answers

Smoking cigarettes increase the risk of peptic ulcer.

Which of the following behaviors raises the risk of developing a stomach ulcer?The chance of developing peptic ulcers is increased by the following things: overindulging in booze. Frequent consumption of aspirin, ibuprofen, naproxen or other NSAIDs (NSAIDs) either chewing tobacco or smoking cigarettes.What causes the majority of peptic ulcers?

Helicobacter pylori (H. pylori) infection and nonsteroidal anti-inflammatory medications are the two leading causes of peptic ulcers (NSAIDs).

Other peptic ulcer causes are uncommon or infrequent.

Why does diet matter for peptic ulcer disease?consuming a diet that is balanced and includes fruits, vegetables, and whole grains. thinking about taking a multivitamin. According to studies, it might be more challenging to mend peptic ulcers if you are lacking in certain vitamins or minerals.

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What is the formula to find a persons BMI?

Answers

Answer:

Kg/m²

Explanation:

kg a persons weight in kilograms and m² is their height in meters squared

Select the correct answer.
Which of the following is one of the main elements for proper running form?
A. head action
B. arm angle
C. Stride
D. Flexibility

Answers

Among the options provided, one of the main elements for proper running form is Stride.option C.

The stride refers to the length and cadence of each step taken while running. It encompasses various components, including stride length, stride frequency, and foot placement.Optimal stride length is crucial to efficient running form. It is the distance covered from the point of initial contact of one foot to the point of initial contact of the same foot again. Stride length should be neither too short nor too long, as both can negatively impact running economy and increase the risk of injury. A balanced stride length allows for efficient forward propulsion while minimizing excessive vertical oscillation.Stride frequency, also known as cadence, refers to the number of steps taken per minute. A higher cadence is generally associated with more efficient running form. Increasing stride frequency can help reduce ground contact time and enhance running economy.Proper foot placement during the stride is essential to ensure a smooth and efficient running gait. Landing with the foot directly underneath the body's center of mass, known as a midfoot or forefoot strike, promotes shock absorption and forward propulsion.

It helps to avoid overstriding, where the foot lands too far in front of the body, which can lead to braking forces and inefficient running mechanics.While the other options mentioned (A. head action, B. arm angle, and D. flexibility) can also influence running form, stride is a fundamental element that directly affects running efficiency, performance, and injury prevention. It is crucial to pay attention to stride length, frequency, and foot placement to maintain proper running form.option C.

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When your brain processes images sent from the optic nerve, what must it do to - understand the image?

Answers

the visual process begins by comparing the amount of light striking any small region of the retina with the amount of surrounding light.

Visual information from the retina is relayed through the lateral geniculate nucleus of the thalamus to the primary visual cortex — a thin sheet of tissue (less than one-tenth of an inch thick), a bit larger than a half-dollar, which is located in the occipital lobe in the back of the brain.

The primary visual cortex is densely packed with cells in many layers, just as the retina is. In its middle layer, which receives messages from the lateral geniculate nucleus, scientists have found responses similar to those seen in the retina and in lateral geniculate cells. Cells above and below this layer respond differently. They prefer stimuli in the shape of bars or edges and those at a particular angle (orientation). Further studies have shown that different cells prefer edges at different angles or edges moving in a particular direction. Hope this helps!

Use a modified model or theory of choice to implement clean water promotion program in your community (15 marks)
b) What communication methods will use for this program and why? (10 marks)
c) Use any graphical social marketing strategy for this program (5 marks)
c). Discuss the challenges of these methods in health promotion (5marks)

Answers

a) To implement a clean water promotion program in your community, you can adopt the Transtheoretical Model (TTM) .

b) The program can be communicated through community meetings

c) A social marketing strategy for the clean water promotion program is the use of infographics.

d) Limited Awareness and Engagement is a challenge to  health promotion.

What is the policy?

You can use the Transtheoretical Model (TTM) as your modified model of choice to put into practice a clean water marketing initiative in your neighborhood. A behavior change model called the TTM focuses on the stages people go through when acquiring new behaviors.

Plan town hall meetings or community events to tell locals about the initiative, share knowledge, respond to inquiries, and seek feedback. This approach emphasizes debate, community involvement, and direct engagement.

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Where should apple pie go on the food pyramid?

Where should chocolate milkshake go on the food pyramid?
(please answer quickly)

Answers

Answer:

Would likely be on the bottom with breads and Grains

Explanation:

Pie is made of breaded crust so it would go on theh bottom.

How much exercise is too much?

Answers

Answer:

It is recommended to exercise an hour at a time because ligaments, joints, and muscles get weak after an hour of exercise which can increase the risk of injury.

Why is heroin overdosing common after an attempt to stop using?

Answers

Because off the withdrawals

a nurse is caring for a client after a thoracotomy for a lung mass. what part of the client's care is the priority for the nurse?

Answers

Answer:  Impaired gas exchange

Explanation:

After a thoracotomy for a lung tumor, a nurse is tending to a patient, the nurse's top concern should be impaired gas exchange.

What is thoracotomy?

This nursing diagnosis can be a major health danger generally closely related to other nursing illnesses like inefficient breathing patterns or ineffective airway clearing.

Having a new tracheostomy frequently results in bleeding and excessive secretions, and the patient would need regular suctioning to keep their airway open.  

Impaired gas exchange is a disturbance of the oxygen and carbon dioxide exchange in the lung tissues.

Therefore, if a nurse is caring for a client after a thoracotomy, maintaining the airway is the top goal for a patient with a fresh tracheostomy.

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If a rider is leaning on the handlebars while Running on a Hill, which of the following is not an appropriate corrective cue or modification?

Answers

If a rider is leaning on the handlebars while running on a Hill, the inappropriate corrective cue or modification would be Shoulders behind the hips. Therefore, the correct option is D.

What is a corrective cue?

A corrective cue is the direction that is given by a teacher or a coach to his/her student or athlete for improving the technique for the best possible outcomes in the sport.

Corrective cues help the athletes in enhancing their abilities with increasing the connection between the coach and the athlete. It also avoids getting injured.

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The question is incomplete, but most probably your complete question is,

If a rider is leaning on the handlebars while running on a Hill, which of the following is not an appropriate corrective cue or modification?

A. Perform a standing flat

B. Perform a seated climb

C. Upright posture with weight centered at the pedals

D. Shoulders behind hips

In 1935, the wake-promoting effect of amphetamine led to testing it for treatment of his condition which is defied as a condition in which the individual spontaneously falls asleep as many as 50 times a day

Answers

In Narcolepsy the individual spontaneously falls asleep as many as 50 times a day.

A sleep disorder called narcolepsy causes patients to feel extremely sleepy during the day. Narcolepsy patients have trouble remaining awake for extended periods of time. They suddenly nod off. This could seriously interfere with their regular activities.

Lack of the neurotransmitter dopamine hypocretin, also known as orexin, which controls wakefulness, is a common cause of narcolepsy. Hypocretin is believed to be lacking because the immune system erroneously attacked the cells that make it and the receptor that enable it to function.

The initial symptom of narcolepsy is typically excessive daytime sleepiness. It may significantly affect day-to-day living. It's challenging to focus at school or at work when you struggle to remain awake and feel sleepy most of the day.

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Choose from the following options that describe Lymph nodes:
You are required to select 3 correct options.

1. Contains bone marrow for the production of white blood cells

2. Produces the hormone insulin for blood glucose regulation

3. Being found in various parts of the body such as throat, armpits, chest, abdomen
and groin.

4. Trap bacteria for lymphocytes to attack and kill.

5. Tend to swell if you have an infection

Answers

options 3 , 4 , 5

3. Being found in various parts of the body such as throat, armpits, chest, abdomen

and groin.

4. Trap bacteria for lymphocytes to attack and kill.

5. Tend to swell if you have an infection

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Euphoric

A. sense of well-being
B. arousal by cross-dressing

Answers

Answer:

sense of well being

Explanation:

Being euphoric means having an euphoriaIt also refers to great and huge amount of joyfulness and excitement.

Option A is correct

Answer:

a) Sense of well-being

Explanation:

Euphoric means feeling more excitement and happiness. It also means the sense of well-being. So, option (a) is the answer.

Describe how the following factors might affect a person relearning of speech and mobility regarding her age.

Answers

Age: 55 Mrs. Gregg's age may affect her speech and mobility relearning. As per case study, Mrs. Gregg's age at 75 can impact the recovery process.

b. Personality: Gregg's traits can impact her speech and mobility relearning. Traits like motivation, determination, and resilience aid progress.

What is mobility

As people age, learning certain skills becomes harder due to declining cognitive and physical abilities. Brain plasticity decreases with age. Reduced plasticity may affect Mrs.'s speed and extent. Gregg's progress in speech and mobility. Older individuals may have health issues that complicate recovery.

Mrs. Gregg's high motivation and determination to regain speech and mobility increases her engagement in therapy, enhancing her relearning process.  Gregg's relearning can affect speech and mobility recovery.

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Using all of the above information, describe how the following factors might affect Mrs. Gregg's relearning of speech and mobility. Use case study information to help answer questions. (3 marks) a. Age b. Individual characteristics: personality C. Environment 5.

what is difference between heridity and scenescence​

Answers

Answer:

In the simplest terms, the adjective “genetic” means anything that pertains to a person's gene sequence that exists within every living cell. Genes are the basic component of heredity in humans and other living organisms.

According to the Psych for your Life: Turning Your Goals into Reality section, which
of these people are MOST likely to engage in mental rehearsal?
a) Sarah, a competitive swimmer, who has just finished their season
b) Don, a football player, who is about to play against their rivals
Oc) Jane, a student, who is not an athlete
d) Gary, a retired librarian, who likes to keep to them self

Answers

Nicholas's opinions about his writing abilities are indicative of low self-efficacy, according to Psych for Your Life: Converting Your Objectives into Reality.

What is meant by low self-efficacy?An increase in fear and avoidance behavior in anxiety disorders is systematically correlated with low self-efficacy (Williams and Watson, 1985). Hence, a rise in the conviction that one can deal with frightening situations coincides with a decrease in phobic behavior. A student with lesser math self-efficacy might, for instance, shy away from enrolling in demanding math classes. The degree of our self-efficacy changes from one domain to the next, which is significant. engender worry, stress, loneliness, and a higher risk of depression make friendships and love connections difficult. Drastically hurt performance in school and at work. boost one's susceptibility to abusing alcohol and drugs.

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Mr. Peters is a 45-year-old who was diagnosed with hyperlip-
idemia during a routine physical examination. After following
health care provider recommendations for a low fat diet and
an exercise program, it was determined that treatment of his
lipid levels would also require a prescription for a lipid-lowering
drug. His prescriber ordered rosuvastatin (Crestor) 10 mg
orally once a day. Mr. Peters returns to the prescriber's office
a month after starting the drug stating that he is experiencing
aches and pains in his legs.
1. What is the likely cause of Mr. Peters's discomforts? S
2. What action do you anticipate from the prescriber and
why?
3. What are key components of a teaching plan for Mr.
Peters today?

Answers

Answer: The likely cause of Mr. Peters's discomfort in his legs is myalgia, which is a known side effect of rosuvastatin (Crestor). Myalgia is characterized by muscle pain, soreness, or weakness.

The prescriber may consider adjusting Mr. Peters's medication or dose, as myalgia is a known side effect of Crestor. They may also evaluate any other medications Mr. Peters is taking that may contribute to muscle pain, and they may order additional tests or evaluations if necessary.

Key components of a teaching plan for Mr. Peters may include educating him about the potential side effects of rosuvastatin, including myalgia, and encouraging him to report any symptoms to his prescriber. The plan may also include reviewing his current exercise regimen and adjusting it as necessary to minimize discomfort. Additionally, the plan may include discussing lifestyle modifications, such as a low-fat diet and regular exercise, that can help to reduce cholesterol levels and the need for medication. Finally, the plan may include instructions for regular monitoring of Mr. Peters's lipid levels and other relevant lab values to ensure that his treatment plan is effective and safe.

Explanation:

You are more likely to become addicted if you start drinking prior to adulthood.

Answers

Answer:true

Explanation:

yes u r right its true

Answer:

true

Explanation:

If your goal is to join a community baseball league to work with
teammates, which category would it fall into?
Physical
Emotional
Social
Academic

Answers

The answer is physical

Question 5 (5 points)
What's the definition of digital literacy?
The ability to make friends through social media
The ability to repair technological devices
The ability to read books and newspapers at a skilled reading level
The ability to function effectively online, from processing information to using
digital tools correctly

Answers

The ability to function effectively online, from processing information to using digital tools correctly.

Grady has been chosen to present a speech at the upcoming school assembly. He is very nervous as this is his first time alone on stage. Which is the best strategy to help reduce Grady's stress?

Answers

Answer: Do a breathing strategy like count backwards from ten or there is a figure eight breathing trick that many people use.

Explanation: Moral su[pport is also good if he has a friend come up with him but the main thing that is medically know to help is breathing techniques

An effective strategie to overcome stage freight is to master the material to be presented

What is stage freight?

The term stage freight is used to refer to the initial apprehension that is expirienced by a person that has been billed to make a presentation from the stage especially if it is just the first time.

Some effective strategies to overcome stage freight is to master the material to be presented and keep your eyes directly on the audience as the presentation continues.

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In addition to building new friendships, what are some other benefits of the communal experience of being on a team?

Answers

Team work makes the dream work! Benefits may include ease of work due to more helping hands. Getting to meet more diverse people. Stepping out of your comfort zone. And just having a fun time

Which strategy is the best way to limit stress?

Answers

Answer:

Take breaks from watching, reading, or listening to news stories, including those on social media

Explanation:

Do those things it will help.

Muscles bring about movement because they are not attached to the bone.


True

False

Answers

This statement is false. Skeletal muscles attach to bones and contract in order to move the body. In order for this to be effective, these muscles must be attached to another structure, typically a bone, at both ends of the muscle. Connective tissues called tendons connect muscles to bones.

Why is "I will get better at chess" not an ideal goal? Group of answer choices A) It would take too long B) It isn't possible C) It isn't specific D) No one plays chess anymore

Answers

Answer:C) It isn't specific

Explanation: it makes the more sense that's why i choose C  plus B and D aren't true

Answer: C) It isn't specific

Explanation:

     You can use the acronym "SMART" to think of good goals. A good goal should be Specific, Measurable, Achievable, Realistic, and Timely.

     While "I will get better at chess" is a goal, it is not specific. To make this goal a more ideal goal, you can further define what "better at chess" would mean and what that would include.

Select the correct text in the passage.
Josh is an active toddler performing several activities every day. Through which of these activities is Josh learning?
Josh enjoys playing with his rubber duck in the bathtub. In the afternoon, he takes a nap. When he plays with his toys, he likes to build blocks.
At meal times, he enjoys eating soft mashed solids.

Answers

Answer:

Building blocks would be the answer

Explanation:

Because I said so

Answer:Building blocks...

Explanation:Because that other guy said so

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Write the equation from the line whose slope and the point through which it passes are given. Express the equation in point-slope form. (8,-1) and slope m=-3 ( Introduction to Anne Frank ) Lost Freedom of 1943Continued deportations- explain how would this greatly affect you -I'll give the brainiest if correct please give a good explanation any half-answer or random will be flagged. adn adult can lose or gain two pounds of water in the course of a day. assume that the changes in water weight are uniformly distirbuted between minus two and plus two pounds in a day. what is the standard deviation of your weight over a day? What's the step by step for 3x+30+x=10+2x+5x+2? 2(x+6)=3(x+1)Solving equations with variables on both sides. ;) what are the expressions? A closed rectangular container is to be made with a square base, and is to have a volume of 90 cubic metres. Material for the top and bottom of the container costs $15 per square metre, while the material for the sides costs $25 per square metre. Determine the dimensions of the container that will cost the least amount of money. I already saw the responses to this question but I want another way. Please don't copy and past it! Please show all work.Discrete matha. Is Wn planar?b. The largest value of n for which Kn is planar isc. The largest value of n for which K6,n is planar isd. For which positive integers n is K2,n planar? As a general valuation process, the value of an asset is determined by discounting the expected cash flows back to its present value, using an appropriate discount rate.a. Trueb. False Completen las frases siguientes con la forma correcta del verbo SER. (Complete the following sentences with the correct form of the verb SER.) 1. Las muchachas ___ comicas 2. Yo ___ un alumno serio 3. Tu ___ el hijo de la profesora, no? 4. Roberto y yo ___ muy buenos amigos 5. La quimica no ___ un curso facil 6. Ya ___ las tres y media 7. Tu y yo ___ de Arkansas 8. Quien ___ la chica rubia? 9. Ustedes ___ alumnos en la escuela secundaria, no? 10. ___ la una menos cuanto 11. Usted ___ muy simpatica 12. Quienes ___los hermanos de Lupe? 13. Diego ___ el amigo de Juan 14. Nosotros ___ primos 15. Ellos ___ los abuelos de Alicia 16. Tu ___ una muchacha muy linda 17. Quien ___ la muchacha que habla frances? 18. Los padres de mis padres ___ mis abuelos 19. La hija de mis padres ___ mi hermana 20.Tu y Rafael ___ hermanos o primos? A large industrial machine is able to monitor brainly During the power stroke of an internal combustion engine, the air-fuel mixture is ignited and the expanding hot gases push on the piston. Fuel efficiency is maximized in this process when the ignited gas is as hot as possible, the gas expands allowing a maximum amount of work to be done, and cooled exhaust gas is released at the end of the cycle. Assuming the engine exhibits the highest efficiency possible, which of the following statements concerning the exhaust gas must be true to avoid violating the second law of thermodynamics?The exhaust gas must be cooled to the same temperature as the outside air.The exhaust gas must be at the same pressure as the outside air.The exhaust gas must be hotter than the outside air temperature..The exhaust gas must be at the same volume as the outside air. 13. Compare the two arguments in At Your Fingertips and Smarter WithoutSmartphones by answering these questions: What fact about smartphones do bothauthers agree on? How does their opinion about this fact differ? It asks me to find the values of the indicated variables which are x,y,z,w,v. a molecule with the formula ab2 has a linear geometry. how many electron groups are on the central atom? Kari's current annual gross wage is $102,000.00. For retirement, she wants to have enough saved to live off of 80% of her current annual gross wage and withdraw 4% the first year. Calculate how much more Kari will need in retirement savings to meet her retirement income goal if she already has $198,750.00 saved.Oa $1,239,000.00Ob $1,841,250.00Oc $1,934,630.00Od $2,154,000.00 5. A contractor estimates that he will need 18 sheets of drywall, he actuallyuses 14 sheets of drywall. To the nearest percent, what is the percenterror? A beekeeper harvested enough honey to fill 224 jars. He packs the jars into boxes with 6 jars in each box. About how many boxes does he need? A. 40 B. 400 C. 30 D. 300 why do thermometers have two sets of numbers The shaded area on the grid represents the part of kira's free throws that she made in the basketball practice today.