Question 3
After plotting the points on the graph, analyze the results of your experiment. Conclude how different concentrations of
acid affected the solubility of the limestone. Cite evidence from the findings to support your conclusion.

Answers

Answer 1

There will be more acid particles to interact with the limestone at higher concentrations hence the rate of reaction increases.

The question is incomplete but I will try to help you the much I can. If you have carried out the experiment properly, you will notice that the rate of reaction increases as the concentration of the acid increases.

This is because, if the amount of limestone is held constant and the concentration of acid is increased, there will be more acid particles to interact with the limestone at higher concentrations hence the reaction proceeds faster.

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Related Questions

Rosita Sanchez is a 2 month pregnant and she and her doctor are worried because her rash was diagnosed as a—————-. They are concerned because this condition can produce defects in rosita’s
developing child

Answers

Answer:

Rubella

Explanation:

Rubella is an infectious disease caused by a virus referred to as rubivirus, which can be spread from pregnant women to their unborn children through the bloodstream. During the first trimester of pregnancy, rubella can cause the death of the developing fetus (i.e., miscarriage) or serious birth defects such as, for example, heart defects, cataracts, deafness, mental incapacities, etc. Rubella symptoms include, among others, rash, joint pain, swollen lymph glands (especially behind the ears), headache, and mild fever.

What is data that is not directly collected or observed by the scientist called?

Answers

Answer:

Data that is not directly collected or observed by the scientist

It means that the data that was collected by someone else that is not the scientist, it may include censuses, surveys, data bases or other sort of information.

Explanation:

Which one of the following physical quantities is formed after dividing mass of volume?
I} Weight
II} Velocity
III} Density
IV}Work​

Answers

Answer:

Density

Explanation:

Density is refer to how much space an object in Mass take in volume.

It is mass if an object divided by volume.

It usually in g/cm3

Amoeba sisters video recap Biomagnification

Answers

I suggest you watch the Amoeba Sisters video again, 1-2x and take notes.

Biomagnification is when toxins / heavy metal are present in small amounts in fish, but accumulate as you move into higher trophic levels. This is one reason why it can be toxic for humans to eat tertiary or quaternary consumers, such as swordfish, shark, etc.

Biomagnification refers to the presence of higher concentration of chemical toxins as a result of the accumulation of toxins in organisms.

What is biomagnigication?

Biomagnification is best explained as a condition in which the chemical concentration of a toxin is amplified in an organism compared to the environment in which the organism is found.

Biomagnification usually is observed as one goes higher in the trophic levels of organisms.

For example, chemical pollutant found in water may be present at tolerable levels. However, in organisms, living in the water, the concentration of the pollutant is higher as these organisms accumulate these toxins in their tissues.

Therefore, biomagnification refers to the accumulation of toxins in organisms higher than found in their environment.

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Question 4 of 10
Erin is studying the rate at which bananas turn brown as part of her science
fair project. Her teacher asked her to include a scientific question in the
presentation. Which of the following is a reasonable scientific question for
Erin's project?
A. Do bananas prefer the temperature inside the refrigerator or on the
countertop?
B. Should students be required to do science fair projects?
C. What hypothesis is likely to lead to a winning science fair project?
D. How does the air temperature affect the rate at which a banana
turns brown?

Answers

Answer:

D. How does the air temperature affect the rate at which a banana

turns brown?

A 55-year-old male is sent to your office to have an esophagogastroduodenoscopy. He is a heavy drinker and smoker who also consumes spicy foods on a daily basis. He is quite anxious about having the procedure performed and is afraid he might choke during insertion of the scope. His father and younger brother were both diagnosed with esophageal cancer. His father died, but the brother was just recently diagnosed and is taking chemotherapy.
A. List the risk factors the patient has for developing esophageal cancer.
B. How might you calm the patient's fears about the procedure?

Answers

Answer and Explanation:

A. The risk factors for this patient are age, family history, and smoking and alcoholism. That's because, most cases of esophageal cancer are detected at age 55 years. We must not forget that cancer is a disease with great genetic potential, which means that, as the father and brother of this patient had this type of cancer, this patient has a high probability of developing the same cancer. Furthermore, the constant consumption of cigarettes doubles the risk of developing esophageal cancer. This risk is also increased by alcoholism.

B. To calm the patient down, I would say that there is a very small and almost non-existent risk that he will choke or even feel the endoscopy insertion, as the entire procedure is done with the patient anesthetized and sedated.

The risk factors the patient has for developing esophageal cancer as well as how you can calm the patients fears about the procedure are as follows

A) Risk factors include

People between the age of 45 and 70 have the more risk of esophageal cancer.

If the patient has genetic signs of cancer from the past generations may have highest risk of esophageal cancer.

Males have more risk than women that is 3 to 4 times to develop esophageal cancer.

Alcohol consumption also increases the risk of esophageal cancer.

Too much weight or obesity increases the risk of esophageal cancer.

Deficiency in nutrients, vitamins and minerals can increase risk of esophageal cancer.

B) Calming the patients fears

Make the patient be happy and stress free.

Do exercise which produces mood boost endorphins that get rid of worries and stress.

Stay positive, being friendly keep good health.

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A scientist places 25 mg of bacteria in a culture for an experiment and he finds that the mass of the bacteria triples every day. The mass of the bacteria in the culture on any given day is what percent of the mass of bacteria in the culture exactly one day prior

Answers

Answer:

300%

Explanation:

The mass of the bacterial culture is triples everyday, meaning that after one day the culture will have 300% of the mass as the culture one day prior.

State whether the following statements are true or False. Hormones in plants travel by the vascular bundle.​

Answers

Answer:

True

Explanation:

In plants, hormones travel large throughout the body via the vascular tissue (xylem and phloem) and cell-to-cell via plasmodesmata. In contrast, many animal hormones are produced only in specific glands. Plants do not have specialized hormone-producing glands.

Mycobacterium tuberculosis (Mtb) is a bacterial pathogen that can cause skin infections as well as pneumonia. Mtb is often phagocytosed by immune cells called macrophages that normally destroy bacterial pathogens, but Mtb is somehow able to prevent the maturation of phagosomes into phagolysosomes, and to live and replicate inside these organelles. Which of the following differences would you expect contribute to the survival of a bacterium within an Mtb-containing phagosome, compared to a phagolysosome? (select two answers)

Answers

Answer:

It mututates

Explanation:

It changes it form thus becomes resistant to phagocytes

which of the following is a major determinant of the distribution pattern of a population?
1 social interactions
2 habitat area
3 rate of population growth
4 the ages of the individuals

Answers

Answer:

rate of population growth

How does energy acquisition in the deep sea differ from energy acquisition near the ocean’s surface?
a.
Organisms in the deep sea acquire energy directly from the sun.
b.
Organisms near the ocean’s surface rely on chemosynthesis rather than photosynthesis.
c.
Organisms in the deep sea do not have direct access to sunlight.
d.
Organisms in the deep sea have no means to obtain energy unless they travel to the ocean’s surface.

Answers

Answer:

Organisms in the deep sea acquire energy directly from the sun.

Lowest to highest degree of internal organization stomach

Answers

Answer: Epithelial stomach cell, stomach lining tissue, stomach and then the whole digestive system.

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The organisms that harness non-biological energy and convert it to biologically relevant/useful energy are called __ 1 __ _. The organisms that consume these are called __ 2 __ _ (it should end in -ores) which occur at the ___ 3 ___ trophic level. The number of trophic levels that any ecological system will primarily dependent on the __4__ organisms.

Answers

Answer:

The organisms that harness non-biological energy and convert it to biologically relevant/useful energy are called __autotrophos or producers_. The organisms that consume these are called _herbivores_ (it should end in -ores) which occur at the __second_ trophic level. The number of trophic levels that any ecological system will primarily dependent on the _consumer_ organisms.

Explanation:

 In the trophic web occurs energy transference through organisms occupying different levels in the chain. Each level feeds on the preceding one and becomes food for the next one. The first link is occupied by autotroph organisms, which are the producer. The following links are the consumers: herbivores are primary consumers and feed on producers. Carnivores are secondary consumers and feed on herbivores, and so on. The last links are the decomposers, microorganisms that act on dead animals degrading organic matter.  

Every link has an effect on the superior links and the immediately anterior link, meaning that whenever one of the links changes, the other ones will be affected.  

Autotrophs or producers synthesize inorganic substances, such as light, and turn them into organic matter according to their own needs. These organisms are photoautotrophs, such as plants, or chemoautotrophs. They occur at the first trophic level.

Heterotrophs are those incapable of producing their own organic matter, so they feed on producers, depending on them to get proteins and energy. In the trophic chain, heterotrophic organisms occupy the first, second, or third consumer level, after producers. These animals can be herbivorous, carnivorous,  omnivorous, hematophagous, ichthyophagous, and etcetera. All of them depend on autotrophic organisms.

In the particular case of herbivores, they occur at the second throphic level feeding on producers and being eaten by carnivores.

In general, most trophic chains are composed of 4 or 5 levels, depending on the number of consumers present, and the energy transference between levels.

explain the charge distribution in polar molecule​

Answers

Answer:

polarity results from uneven partial charge distribution between atoms in a compound

Explanation:

electrons in a polar covalant bond are unequally shared between the two bonded atoms which results in partial positive and negative charges.the separation create a dipole.

If a diglyceride is formed, how many water molecules are involved?

a.
One.

b.
It depends upon the length of the fatty acids involved.

c.
Two.

d.
Three.

e.
None.

Answers

Answer:

b.

It depends upon the length of the fatty acids involved

For what purpose is the mineral corundum commonly used?
O A. To make pencils
O B. To make false teeth
O C. To make emery boards
O D. To make drinking glasses

Answers

Answer:

D I guess because grinding optical glass and for polishing metals and has also been made into sandpapers and grinding wheels.

Answer:

It's to make emery boards

Explanation:

I just took the test

What else is produced during the replacement reaction of silver nitrate and potassium sulfate?

2AgNO3 + K2SO4 Ag2SO4 + ________

KNO3
2KNO3
K2
2AgNO3

Answers

Answer:

2KNO3

Explanation:

Pls mark brainliest

hope it helps u

From the equation of reaction, the other product during the replacement reaction of silver nitrate and potassium sulfate is potassium nitrate, KNO₃.

What is produced in the replacement reaction silver nitrate and potassium sulfate?

In the replacement reaction of silver nitrate and potassium sulfate, the products are silver sulfate and potassium nitrate.

Silver sulfate is insoluble and comes out of solution as a precipitate.

The equation of the reaction is given below:

2 AgNO₃ + K₂SO₄  ----> Ag₂SO₄ + 2 KNO₃

Therefore, the other product during the replacement reaction of silver nitrate and potassium sulfate is potassium nitrate, KNO₃.

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A thermometer is placed in water in order to measure the water’s temperature. What would cause the liquid in the thermometer to drop?

Answers

Answer:

The kinetic energy of the water molecules decreases which causes the liquid in the thermometers to drop.

Explanation:

Hope this helped. Could you please make me Brainliest? It's alright if you don't though ☺️

A population of lab rats recently escaped into the sewer system of Washington, D.C. A brave researcher sampled this population and estimated the following phenotypic frequencies (which were caused by a single gene with two alleles: E and e).
61% normal eyes (EE)
26% cross-eyed (Ee)
13% blind (ee)
If this population were to reach a Hardy-Weinberg Equilibrium (HWE) in one generation, what would the phenotypic frequencies be in that new HWE generation? Let freq (e)=p and freq (e)=q. (Tip first calculate p and q from the observed, and provided, phenotypic frequencies)
freq EE =
freq Ee =
freq ee =

Answers

Answer:

freq EE = 0.55 freq Ee = 0.38  freq ee = 0.07

Explanation:

Due to technical problems, you will find the complete explanation in the attached files.

The nitrogen cycle is the using and reusing of nitrogen in an ecosystem. True or false?

Answers

Answer:

True

Explanation:

Nitrogen is a fundamental component of both inorganic and organic compounds, where it is the main constituent of biomolecules such as nucleic acids (DNA, RNA) and proteins. The nitrogen cycle refers to the biogeochemical processes by which nitrogen circulates between the components of an ecosystem, i.e., between organisms (like plants and decomposers), and non-living things (i.e., soil, water, air). This cycle consists of several processes which include, among others, nitrogen fixation (i.e., the process by which nitrogen in the atmosphere is converted into ammonia), nitrification (i.e., the oxidation of ammonia is oxidized into nitrite and subsequent transformation of nitrites into nitrates), denitrification (where nitrate is reduced), anaerobic ammonia oxidation and putrefaction.

Glycogen is an important and quickly mobilized source of stored glucose. Glucose is mobilized for ATP generation in muscle in response to epinephrine, which activates Gs. How would inhibitors of cAMP phosphodiesterase affect glucose mobilization in muscle

Answers

Answer:

Glucose mobilization would continue

Explanation:

The GTP-bound alpha subunit (Gαs) is a subunit of the heterotrimeric G protein which is required for stimulating the cAMP-dependent pathway through the activation of the membrane-associated enzyme adenylyl cyclase, which in turn catalyzes the synthesis of the second messenger cyclic-3′,5′-adenosine monophosphate (cAMP) from ATP. Moreover, cAMP phosphodiesterase is an enzyme that hydrolyzes cAMP, thereby negatively regulating the levels of this second messenger, which is fundamental for the termination of the signal. In this case, the epinephrine signal initiates glycogen breakdown (glucose mobilization) in muscle cells. In consequence, if the cAMP phosphodiesterase enzyme is inhibited, the concentration of cAMP will persist high even beyond the termination of the signal, thereby glucose mobilization would continue.

why is the silkworm called a useful insect?

Answers

Silkworm is called a useful insect because it produces very expensive silk which is soft, elastic,shiny and rearing silkworm can impact greatly on county’s economy.
That’s why ,Silkworm are called as useful insect.

1. Describe the purpose of mitosis.
2. Describe what is happening in each stage and what each stage looks like:
Prophase
Prometaphase
Metaphase
Anaphase
Telophase
Cytokinesis

Answers

Answer:

1) The purpose of mitosis is growth and repair of cells

Explanation:

Prophase:

-DNA condenses (supercoiled, chromatids are visible under light microscope);

-Nuclear membrane begins to disintegrate (by the end of prophase  it is completely gone)

-Centrioles move to opposite ends of the cell

-Splinde fibers start to form from the centrioles and grow

Metaphase:

-Spindle fibers, departing from both poles, are attached to each centromere, on opposite sides

-The spindle fibers pull the chromosomes back and forth until they align in a plane along the equator of the cell, which is called the equatorial plane

Anaphase:

-The spindle fibers shorten

-The centromeres of sister chromatids split

-Chromatids move apart, pulled by the spindle fibers

-Chromatids become chromosomes

-Half of the chromosomes move to one cell pole, half to the other

Telophase:

-The chromosomes reach the cell pole

-Nuclear membrane reforms

-Spindle fibers break down and disappear

-The chromosomes begin to uncoil, which makes them diffuse and less compact

Cytokinesis:

-The cell membrane pinches inward until the cell divides in two;

-There are two daughter cells with the same structures and number of chromosomes as the parent cell

-Chromosomes decondense

What is the most abundant greenhouse gas?

Answers

Answer:

Water Vapor

Explanation:

The most abundant greenhouse gas overall, water vapor differs from other greenhouse gases in that changes in its atmospheric concentrations are linked not to human activities directly, but rather to the warming that results from the other greenhouse gases we emit. Warmer air holds more water.

A student wants to know how the number of geese in a study area affects the number of parts in their songs. She
performs an experiment and records the data in a table.
Which two terms describe this type of data?
A. Qualitative
B. Theoretical
C. Empirical
D. Quantitative

Answers

Answer:

B. Theoretical

D. Quantitative

Explanation:Because she is not very sure of the answer but is aware of her solution

Theoretical and quantitative! Quantity would be numerical data (number of geese) Theoretical at this is hypothetical.


Question 19
How would the carbon cycle be influenced by an increase in aerobic respiration?

Answers

Answer:

Cellular respiration does not affect the carbon cycle but is part of the carbon cycle. The 2 carbon cycles. carbon ( C ) is taken up by the plants and trees in the form of carbon dioxide ( CO2 ). Plants converts this CO2 into organic compounds such as glucose ( C6H12O6 ).

Explanation:

Increase in aerobic respiration will lead to increase in the amount of CO2 released into to the atmosphere due to respiration.

Aerobic respiration occurs when oxygen is combined with glucose to yield carbon dioxide and water. This is one of the major ways through which carbon dioxide enters the carbon cycle.

Note that the carbon cycle shows the movement of carbon in nature. Increase in aerobic respiration means that more carbon will be introduced into the atmosphere as carbon dioxide.

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why is meiosis called reduction division?​

Answers

: Meiosis is sometimes called "reduction division" because it reduces the number of chromosomes to half the normal number so that, when fusion of sperm and egg occurs, baby will have the correct number. Therefore the purpose of meiosis is to produce gametes, the sperm and eggs, with half of the genetic complement of the parent cells.

Ammonia produced in the intestines from the breakdown of proteins by bacterial enzymes is the primary source of plasma ammonia
Select one:
1.True

2.False

Answers

Answer:

True

Explanation

scientists believe the earth likely warmed between 0.65 celsius and 1.05 celsius with an average value of 0.85 celsius between years 1880 and 2012. what was error bar for the increase in temperature over that period?

Answers

Answer:

The lower limit is 0.65°C

The upper limit is 1.05°C

the average is 0.85°C

The difference between the average and the lower limit is:

0.85°C - 0.65°C = 0.20°C

the difference between th average and the upper limit is:

0.85°C - 1.05°C = -0.20°C

Then we can write the change in temperature as:

T = 0.85°C ± 0.20°C

Now we want to find the error bar.

The error bar would be the total distance between the lowest value and the largest value.

Then the error bar is:

1.05°C - 0.65°C = 0.40°C

notice that the error bar is twice the error, which makes a lot of sense because the error (± 0.20°C) goes up and down.

Then the error bar in this measure has a magnitude of 0.40°C.

JLILLLULL LUI ILLUVIJ.
Based on the body structures of these animals, which two conclusions are scientifically sound?
Bassa
dog
gorilla
chimpanzee
frog
0 The skeletal structure of the gorilla and chimpanzee suggest a common evolutionary ancestry.
The dog and frog share a closer evolutionary ancestry than the gorilla and chimpanzee.
The dog is more closely related to the frog than it is to the chimpanzee.
All four organisms share a common vertebrate ancestor.

Answers

Answer:

(A) The skeletal structure of the gorilla and chimpanzee suggest a common evolutionary ancestry.

Explanation:

The vertebrate and many of the other parts of the skeletal structure of the gorilla and chimpanzee are alike. (and, by using a little background knowledge, you can figure this out by thinking; if humans share 98% of DNA with chimpanzees and about 96% of DNA with gorillas, then the two animals must share a lot of DNA as well.)

I hope this helps !!!

Answer:

1, 3, 4

Explanation:

The gorilla and the chimpanzee have very similar anatomy, so they are closely related.

There is a small resemblance between the dog and the frog, but nowhere close to the one shared with the gorilla and chimpanzee, so NO

the dog IS more closely related to the frog than the chimpanzee since it looks more similar

yes, all of them are vertebrates and therefore share a single vertebrate ancestor

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For one large batch of cookies, the recipe calls for 6 eggs and 4 cups of sugar. The ratio for this 1 batch is 6 to 4 6:4 or The baker has to make 5 batches of cookies. How many eggs and cups of sugar she 4 will need to make these 5 batches. 6 22. eggs 23. cups of sugar 24. The Ratio in word form for the 5 batches of cookies: Being which of the following means being responsible for an action or person?GuiltyReliableLiable Which detail from the passage best develops Delta's reaction to the sight ofDrake snooping around?Sure enough, Drake Johnson was up on the hillside, snooping aroundtheir claim. Delta's hands shook, and she was too afraid to take abreath. Did he know there was silver on this land? And would anyonebelieve that she had seen him trespassing? 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