A scientist is investigating which type of medicine would dissolve faster, a solid pill or a scoop of powder. Which hypothesis should the scientist develop given prior knowledge about surface area?
A.
Powders have more surface area and will dissolve faster.

B.
Solid pills have less surface area and will not dissolve.

C.
Solid pills have more surface area and will take longer to dissolve.

D.
Powders have less surface area and will dissolve faster.

Answers

Answer 1

Answer:

A.

Powders have more surface area and will dissolve faster.

Explanation:

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Answer 2

The solute-like solids can dissolve in the solvent through the dissolution process. Powders have more surface area that permits more dissolution.

What is surface area?

The surface area is the amount of space covered or occupied by an object. It is directly dependent on the solubility and increases with an increase in the solubility.

The surface area of the powder is more compared to the solid pill and hence, the solubility of the scoop of powder is more than the pill.

Therefore, powder dissolves faster because option A. has more surface area.

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Related Questions

Above is a list of organisms found in a forest ecosystem. Which of the following groups of organisms are considered decomposers?
A) grass, acorn, moss
B) snake, mushroom, moss
C) bacteria, mushroom, fungus
D) vulture, mushroom, fungus
PLEASE HELP!

Answers

Answer: C, bacteria, mushroom, and fungus

Explanation:

These are all classified decomposers located within a forest ecosystem.

it is c) bacteria, mushroom, fungus

Which of these is least likely to show common ancestry?
A. homologous structures
B. analogous structures
C. DNA
D. vestigial structures

Answers

D. Vestigial structures

A science teacher is planning a science lab in which students will identify conditions that do and do not speed up the time required for sugar to dissolve in water. Which of the following conditions will NOT have an effect on the dissolving time?
PLEASE GIVE ME THE RIGHT ANSWER FAST!!!
B. Grinding the sugar
D. Magnetizing the sugar
E. Heating the water
F. stirring the water

Answers

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Answer:

Your answer is B. Grinding the sugar

Hope this helps! :)

If the last three animals of a species are all females, what will happen to the species?


A
The species population will slowly grow +

B
The species will become extinct because it takes a male and a female to reproduce -

C
The species will not change /

Answers

The best answer to go with is b

In an ecosystem, if the last three animals of a species are all females, the species will become extinct because it takes a male and a female to reproduce .

What is an ecosystem?

Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.

Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.

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Which two organisms share the least number of derived characteristics?

Frog and kangaroo
Kangaroo and chimpanzee
Lion and chimpanzee
Shark and chimpanzee

Answers

Shark and champanzee

Answer:shark And chimpanzee

Explanation:

Both of them are less Similar than the others because the others live on land in sharks live in water and most of their characteristics are very different

what are u?
for example, I'm an extra fluffy fat cat marshmallow fluffy ball unicorn duck butterfly frog pony
wbu what are u?

Answers

Answer:

i am ur daddy

Explanation:

Answer:

IM ELMO IMA FREAK IMA ELMO

HAPPY 50 YEARS OF SUNNY DAYS BAAAA

Explanation:

a six word story of evolutions. (six words not six letters)

Answers

plants and animals change and adapt
The adaptation of living organisms on earth.

The equator is at a latitude of 0°. Which latitude will have the warmest temperature?

Answers

Answer:

There is a relationship between latitude and temperature around the world, as temperatures are typically warmer approaching the Equator and cooler approaching the Poles. There are variations, though, as other factors such as elevation, ocean currents, and precipitation affect climate patterns.

Explanation:

0 will have warmest

I am a gas. I am in the noble gas family and row 1. I have only 2 valence electrons I glow red-orange when in an electric field. I can also be found in the sun. Who am I?

Answers

Answer:

the elements its helium

Explanation:

ithink its help

I´ll mark branlist for the best answer!!!
Write a paragraph (5-8 complete sentences) answering the prompt"How does the availability of resources in ecosystems impact ecosystems?"

Answers

5-8 Sentences on: "How Does The Availability Of Resources In Ecosystems Impact Ecosystems?"

Changing out natural resources in our environment can affect the whole entire ecosystem.  Ecosystems can change throughout time but the change may or may not affect the ecosystems.  But according to research, if the change is too fast the whole ecosystem can be destroyed.  An imbalanced or damaged ecosystem can lead to problems.  Certain resources play an important role such as sunlight and water, we need resources to survive and can also help living creatures.  These resources impact animals, plants, and insects/bugs.

P.S If you need more sentences I will edit my answer!

           Hope this helps!

      ~Hocus Pocus

Use the what you learned area to fill in the blanks.

Answers

Answer:

1. cardiac muscle .

2. skeletal muscle .

3. smooth muscle .

4. your heart .

5. bones .

6. stomach .

7. muscle fibers .

8. non-striated muscle .

9. cardiac muscle tissue is only found in your heart .

10. exercising, getting enough rest, and eating a balanced diet will help to keep your muscles healthy for life .

11. wrong diet , consume fewer calories and eat a lower percentage of foods that are high in proteins and carbohydrates , weight training , if you're continuing to train with weights, use lighter weights and reduce weight training frequency to no more than 2 times per week to maintain tone , cardio , not warming up etc .

Explanation:

Please Help
Compare Earth 4 billion years ago to Earth 550 million years ago.

Answers

the earth 4 billion years ago was separated, there was very little land in the northern hemisphere. the further most part of today’s (550 million years ago) continents were in the southern (lower part) of earth.

hope this helps! have a great day! ❤️

HELP ME PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEE I GIVE BRAINIEST

Mars’ average temperature is -55o C, while Earth’s is 17o
C. Mars’ atmosphere is 95.3% carbon dioxide. Mars’ soil
contains no humus and is mostly Sulphur. One day on
Mars is approximately 24 hours and 37 minutes. In your
own words, explain whether or not you think life could
be supported on Mars. Be sure to use the terms, air,
water, soil, and sunlight, in your explanation.

Answers

Explanation:

soil is a sunlight who become a sun and 24 hours plus 37 minutes thats equal in space is 13 hour thats you called Mars soil

Please help!!!!!!!!! Which word goes here and means composed of one element??!!

Answers

Answer:

Pure-Substance

Explanation:

Answer:

Pure-Substance

Explanation:

I'm just answering so you can give the other person Brainlyest.

sience question ....

Answers

Answer:

extended structure

Explanation:

Answer:

I think it is the third one too

Explanation:

On a summer's day, beach sand will feel, and be, much hotter than the adjacent water due to the sand's lower thermal conductivity.
true or false?
T-T

Answers

Answer:

true. good luck, you need it!

Explanation:

The answer to the question is true

Describe what bacteria are - their parts, how they can be good, how they can be bad, and the different types.

Answers

HIIII, so.... In all there are two different types of Bacteria good bacteria and bad bacteria, the good bacteria helps fight off diseases and other sickness the bad bacteria can make you sick.

I hope that was enough to answer your question!!!

Have a good day and I hope you pass all of your exams!!!!! <3

Bacteria are living micro organism they Can be good or bad depending on the type an example for a good bacteria is the bacteria that lives in your stomach it helps you digest food and then example for bad bacteria is a virus that can get you very sick bacteria

Can yall help w these. Please no links/spam

Answers

Answer:

sun

chloroplasts absorb

sugar light

plants phytoplanktin

Explanation:

Answer:

1. Sun

2. Chloroplasts, absorb

3.  sugar, light

4. plants, animals

Explanation:

Hope that helps

What is sexual selection? *
A. How being male or female affects how a species evolves
B. The behaviors an animal must display in order to find a mate
C. How the attractiveness of a mate can change the traits of your species

Answers

Answer:

B: The behaviors an animal must display in order to find a mate

Explanation:

An animal usually looks for specific characteristic in order for their offspring to develop those same characteristics and be able to survive

How are cellular respiration and photosynthesis different? (4 points)

Cellular respiration assists breathing; photosynthesis aids pigmentation.

Cellular respiration breaks down glucose; photosynthesis creates glucose.

Cellular respiration creates glucose; photosynthesis breaks down glucose.

Cellular respiration releases oxygen; photosynthesis releases carbon dioxide.

Answers

Answer b, cellular and photosynthesis are reversible

Answer:

B. Cellular respiration breaks down glucose; photosynthesis creates glucose.

Explanation:

I REALLY NEED HELP QUICKLY!!

Answers

Answer:

i think the answer is c

Explanation:

C) All of earth was once filled with water or ice

The following table shows the distance from the sun of some unknown planets of equal mass.

W 1.5 AU
X 0.723 AU

Which of the following best explains which planet revolves at a faster speed?
A.) Planet X, because the sun pulls it with a greater force.
B.) Planet W, because the sun pulls it with a greater force.
C.) Planet W, because the gravitational force is weakened by distance.
D.) Planet X, because the gravitational force is strengthened by distance.

Answers

I think that the correct answer is A

Answer:

Option D.) Planet X, because the gravitational force is strengthened by distance.

Explanation:

As we know from Kepler's law , the planets that are closer to the sun move at a faster rate in comparison to those planets that are far because of high gravitational force.

According to the question,

both planets have equal mass. Plant W is at 1.5 AU and planet X is at 0.723 AU distance from the sun.

So, planet X revolves at a faster speed because it's shorter distance from the sum as comparison to planet W, strengthened the gravitational field.

Thus, Option D is the correct answer.

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Adjustment to environmental conditions is known as
A. Adaptation
B. Darwinism
C. Evolution
D. Natural Selection

Answers

Answer:

A.

Explanation:

Adjust = Adapt if that makes sense.

It’s A Let me know if you want an explanation!

Please help. (science question)

Answers

Answer:water  erodes the earth by passing over rock and thinngs many times, as in a river, the water slowly washes away the rock turning it into sediment or silt.

Explanation:

Answer:Hope this helps :) if so pleas could you mark brainliest:) enjoy!

Explanation:

The cycle of water erosion has been here since forever thanks to the rain rivers, ponds lakes, the sea and the ocean because it first starts off with the rain then the rain fills up the lakes and pond and start rivers and the rivers lead to the sea and ocean and from there the water evaperates then it rains again and the lakes and ponds help with the evaporation.

. Which statement describes the difference between an independent and dependent variable? a. The dependent variable changes based on the independent variable.
b. The dependent variable is the control, and the independent variable is the result.
c. The dependent variable does not change, and the independent variable does change.
d. The independent variable does not change, and the dependent variable does not change.

Answers

Answer:

A

Explanation:

The independent variable only changes when whoever is conducting the experiment changes it, When it does change, it changes the dependent variable

The answer is A i had a question very similar to this

I will mark brainlist for best answer!
Write a full paragraph about:
What causes changes in ecosystems?

Answers

Causes changes in Ecosystems
Important direct drivers include habitat change, climate change, invasive species, overexploitation, and pollution. Most of the direct drivers of degradation in ecosystems and biodiversity currently remain constant or are growing in intensity in most ecosystems

I hope it helps.. if it doesn’t please comment I’ll post another answer..

Factors that change the ecosystems are called drivers.

There are direct and indirect drivers.

Direct drivers straightforwardly influence ecosystem process.

Indirect drivers operate more diffusely, By altering one or more direct drivers.

Some direct drivers:

Habitat change Climate change Pollution Invasive speciesOverexploitation

Some indirect drivers:

Population change Change in economic activity Sociopolitical factorsCultural factors Technological changes

pls help due tonight
or my dad will get mad at me

Answers

Answer:h

Explanation:

Please help me with this science question

Answers

a glacier is a block of ice

QUestion 6 and 7
6. What are the three main roles of an ecosystem?

7. What is the purpose of a decomposer in an ecosystem?

Answers

#6: The living organisms in an ecosystem can be divided into three categories: producers, consumers and decomposers. They are all important parts of an ecosystem.

#7: Nature has its own recycling system: a group of organisms called decomposers. Decomposers feed on dead things: dead plant materials such as leaf litter and wood, animal carcasses, and feces. They perform a valuable service as Earth's cleanup crew

HOPE THIS HELPS

#7 decompsers eat on the dead. without decomposers dead leaves, dead animals and dead insects would pile up everywhere

Please help me with this NO LINKS

Answers

Answer:

d

Explanation:

the moon because moon is following the earth

The object that would be the greatest gravity is the sun
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the provided balanced equation applies to the reaction that takes place between lithium, hydroxide and sulfuric acid. 2LiOH + H2SO4 --> Li2SO4 + 2H2O. If the reaction begins with 26.7 grams of lithium hydroxide (LiOH) and 164.048 grams of sulfuric acid (H2SO4), how many grams of lithium sulfate (Li2SO4) is produced? Assume 100% yield. Round your answer to the nearest tenth of a gram Charlotte is running at a rate of 9 kilometers per hour. What is her rate in meters per second? helppppp it timeddddd quickkkkkkk i give brainlyist toooo CAN SOMEONE PLEASE HELP ME???? Describe and correctthe error in solving the inequality.x/3 + 4 < 6x + 4 < 18x < 14 answerd plz if correct 5 stars HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP What is the best approximation for the area of a semicircle with a diameter of 11.8 feet? Use 3.14 In an essay of approximately 300 words explain how the Enlightenment period in Europe positively influenced the development of the United States. Find the focus of the parabola.y2 = 16x (7.10; 7.15)1. The diagram below shows aparallelogram.12 cm28 cmIf the parallelogram were enlargedusing a scale factor of 3, the perimeterof the enlarged parallelogram wouldbeA 80 cmB 120 cmC 200 cmD 240 cm What is the scaling factor if the molar mass ofthis compound, having an empirical formula ofch2o, is 150 g/mol? to which sets of numbers dose-1/4 belong. select each correct answer.A. rational numbers B. irrational numbers C. real numbers D. integers Umami is one of the taste types that humans can recognize. Which selections below describes the taste of umami? savoriness, brothy, meaty salty sweet bitter helppppp plzzzzzzzzzzzz A car travelling at 25 m/s has momentum 20,000 Kgm/s, calculate the mass of the car. Buildings are illuminated at night to enhance their features and shapes. Nighttime is great to photograph buildings. If you have to shoot a building at night, the most challenging thing is to get the correct exposure and color balance. Discuss how you will achieve appropriate exposure and color balance.NEED ANSWER ASAP! Grant attended 75% of his Student Council meetings. If there were 40 meetings, how many did Grant NOT attend?please do not put any link just answer it Write and Solve Equations-Word ProblemsFor each context, draw a model, write an equation, and then write a complete sentence to answer the question in the context. PLS HELP ILL MARK BRAINLIST!! does anyone know how to put these in future tense??