According to the law of conservation of energy, when a motorcycle uses 5500 J of chemical energy from gasoline, how much of this energy will be transformed into mechanical, sound, or heat energy? A. 1375 J B. 11,000 J C. 2750 J D. 5500 J

Answers

Answer 1

Answer: The answer is D. 5500 J
This is because energy cannot be created or destroyed. Although not all of the energy will be converted to the mechanical that causes the motorcycle to move, all energy will be converted either mechanical, sound, or heat.

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If a personality survey with high internal consistency includes two different questions related to the personality dimension of agreeableness, then which of the following is true?A.It is impossible to predict how people will answer the second question based on how they answered the first question.B.If people give an extreme answer to the first question, they will tend to give the opposite extreme answer to the second question.C.People will tend to give dissimilar answers to both questions.D.People will tend to give similar answers to both questions.E.If people give a moderate answer to the first question, they will tend to give an extreme answer to the second question.

Vanessa notices that even though her 80-year-old grandmother keeps her thermostat at 800 F, she still wears a sweater in her house. When Vanessa asks her grandmother why, her grandmother tells her she is very cold. Vanessa can’t understand this and asks you for an explanation. What would you tell her?

Answers

Answer:

As one age, the bodies become subtle to cold temperatures. This is generally due to decline in the metabolic rate. As one age, the bodies lose the tendency of producing sufficient heat to sustain the usual temperature of 98.6 degrees. In addition to this, thinning of the skin is another thing, which may contribute to the feeling of cold in older individuals.

With age, the physical tendency of the body declines, and the body does not function as it used to earlier. A decline in temperature can make the older adults very cold, even if they are dressed warmly. There are various researchers, which shows that older individuals exhibit low body temperatures in comparison to the younger ones.

Some of the factors that can contribute to cold sensitivity in older adults are:

1. Poor metabolic rate

2. Loss of elasticity of the blood vessels.

3. Low blood pressure

4. Thinning of the fat layer underneath the skin

5. Physical issues and exposure to cold water

Which structural characteristic is seen in RNA but not in DNA? double strands a single strand chains of nucleotides a helical shape

Answers

The structural characteristic seen in RNA but not in DNA is a single strand. RNA and DNA are macromolecules made up of nucleotides organised in chains. DNA has double strands organised in a helical shape. RNA usually consists of a single strand which is not characteristic for DNA.

The answer is single strand

What type of rock can melt under the right conditions?

Answers

To tell you the truth, all rocks can melt under heat and pressure. For example, if a volcano erupts, the magma that is flowing can melt the rocks because of extreme heat.

Most automobiles are powered by fossil fuels. When a fossil fuel is burned, pollutants are released into the air. Over time, this can damage the environment and may alter climates around the world. Considering the damage done to the environment, what do you think is the most likely reason people continue to use automobiles?A. The use of automobiles is necessary for the running of the economy.

B. Environmental problems do not affect people in any way.

C. People do not care about the health of the environment.

Answers

The answer is A. The use of automobiles is necessary for the running of the economy.
We depend on them for transportation, whether it's to go to work or to go on a vacation. Companies depend on them for transportation of goods. There are too many reasons as to why we cannot ever stop using automobiles, unless, of course, a newer, more efficient type of automobile is invented in the future.
Hope that helped you.

If two substances are chemically combined and there is a release ofenergy, the reaction is described as
a. exothermic.
b. analytic.
c. endothermic.
d. catalytic.

Answers

Answer:

a. Exothermic.

Explanation:

We know that there are several types of chemical reactions. In some reactions, the energy which is absorbed to break down the bonds of the reactants becomes less than the energy which is released at the time of forming new bonds of the products.

This means that in the whole reaction, energy is released as either light or light. This type of reaction is called an exothermic reaction.

What would happen if you were given pure water in an IV?

Answers

The question is what would happen if you are given pure water in an IV. The answer is, the pure water will disrupt the osmotic balance of the body. Saline solutions are usually used in IV, this is because, there is a need to maintaint the osmotic pressure between the body cells and body fluids. Cell membranes are selectively permeable, infusing the body system with pure water will make pure water to rush into cells, dilute the contents and make the cells to swell up.

I belive that the correct answer is you will undergo a condition called metabolic acidosis.

Explanation:

The pH of blood is 7.35 and the pH of pure water ranges from 7-8.5 but it is most steady at a pH of 7. Infusing tap water would prove to be detrimental due to a combination of problems. Pure water contains minerals and ions that make the pH of the water more acidic. Adding an acidic liquid into the bloodstream directly will cause a spike of blood pH. To balance this acidic pH, the respiration of the person will increase so that breathing will be shallow to provide oxygen while removing more carbon dioxie. CO2 contributes to the pH of the body by making the blood more acidic when it forms carbonic acid. Reducing it in circulation will increase the pH of blood. Using the lungs to balance the pH is called respiratory compensation and in the instance of metabolic acidosis, the situation will be metabolic acidosis with respiratory compensation. The body will also turn to the kidney where the kidneys will stop reabsorbing more sodium ions so that when the ions are released in urine, the pH in blood will try to stabilize. This will be a problem because water will be lost as sodium ions are lost and the person involved will start to have cardiovascular conditions such as arrhythmias and muscle spasms since sodium is essential for muscles to communicate. Dehydration would range from moderate to severe and if left unattended, the person is going to have a stroke in the brain. With the brain shutting down due to the stroke, the person will not be able to breathe as ast as the body wanted to regulate the pH. So basically, the body would sabotage itself and it is a very bad idea to try to infuse pure water. Pure water is also not sterile meaning there are microorganisms that live in it and if added into the bloodstream, they can cause severe blood infections that can lead to sepsis and this will just worsen the condition of the person over time. To diagnose the acidosis, a test called Arterial Blood Gases (ABGs) is done to asses the balance of acids and bases in the blood and find out how to correct them to return homeostasis back to normal.

Learn More:

Learn more about the circulatory system: brainly.com/question/2093482

Learn more about homeostasis: brainly.com/question/1601808?source=aid8181116

Learn more about the heart: brainly.com/question/967969?source=aid8181676

Level: College

Subject: Clinical Chemistry

Topic: Metabolic Disorders

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