Find the number of atoms of each element.
Ca(OH2)3
Ca:
0:
H:
please!!!

Answers

Answer 1

Explanation:

Calcium Hydroxide has three atoms 5 atoms in each molecule.

One calcium atom

Two oxygen atoms

Two hydrogen atoms

So total 5NA. present in NA molecules.......


Related Questions

in what ways does pollination in gymnosperms differ from pollination in angiosperms?

Answers

Answer:

In gymnosperms, pollination involves pollen transfer from the male cone to the female cone.

what are the main pros of cloning

Answers

Answer:

Pros of Cloning

1. Help to Eliminate Defective/Weak Genes.

2. It is a Logical Step in Reproductive Technology.

3. It’s an Invention that can Change the Globe in a Positive Way.

4. Improve Recovery in Traumatic Injuries.

5. Bring out a New and Genetically modified Genes.

6. Eliminate Infertility.

7. Cures Disorders.

Explanation:

Albison Energy

Sources:

Blackall LL, Burrell PC, Gwilliam H, Bradford D, Bond PL, Hugenholtz P. The use of 16S rDNA clone libraries to describe the microbial diversity of activated sludge communities. Water Science and Technology. 1998 Jan 1;37(4-5):451-4.

LaBar M. The pros and cons of human cloning. Thought: Fordham University Quarterly. 1984 Aug 1;59(3):319-33.

Cerf NJ, Grangier P. From quantum cloning to quantum key distribution with continuous variables: a review. JOSA B. 2007 Feb 1;24(2):324-34.

It can help prevent the extinction of species. As many organisms in the planet approach endangerment and extinction, cloning appears to be a possible solution to restore populations. ...
It can help increase food production. ...
It can help couples who want to have children.

HELP FOR BRAINLIEST!

Answers

for me its glitched or word cut off i see no picture or question :/

Describe one physical property and one chemical property of sodium that ywe observed ​

Answers

Answer:

It's a soft metal, reactive and with a low melting point, with a relative density of 0,97 at 20ºC (68ºF). From the commercial point of view, sodium is the most important of all the alkaline metals. Sodium reacts quickly with water, and also with snow and ice, to produce sodium hydroxide and hydrogen.

Explanation:

Based on the model, students can conclude all the following valid claims EXCEPT

Answers

Answer:the nucleus carries a positive electrical charge

Thank you! have a good day.

Animals and plants that are unable to adapt to their environment will become

A- Prey
B- A new species
C- Extinct
D- Hungry

I think A or C

Answers

Explanation:

It really depends on how the question is phrased. Animals and plants that are unable to adapt to their enviroment will become- Hold it right there. How long will they be unadaptable? Is this forever? If so then yes, they will definately become extinct. If this is for a short amount of time then no, they will become prey, but there is also the fact that yes, they will become hungry. Because if they are not adapted then how are they gonna know the best sports for grub? Same thing for plants, if they can't adapt to the climate, they cannot produce food for themselves. Basically, if its a simple question then forget about everything else. It's Prey, because animals that can't adapt to their enviroment are immedietly in danger. Now if this question has more to it then I would go for C. But overall Just go with prey for now.

Which shows that the results of an experiment are reliable?
A. The experiment creates ideas for new experiments.
B. The experiment can be repeated with the same results.
C. The experiment uses a very simple procedure.
D. The experiment supports the hypothesis.

Answers

The answer should be D
Hope this helps have a great day

What are the similarities between prokaryotes, eukaryotes and viruses?

Answers

Like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus and has other membrane-bound organelles that allow for compartmentalization of functions.

2. Which of the following statements is true of tertiary
consumers in an ecosystem?
A) There are more secondary consumers than
tertiary consumers.
B) They are caten by secondary consumers.
C) They contain the most biomass out of all of the
trophievels.
D) They are the largest trophic level.
E) This level of the food chain has the highest
amount of diversity.

Answers

The answer would be B.
Hope this helps have a great day:)

They attract secondary consumers, this applies to the tertiary consumers of the ecosystem.

What do you mean by ecosystem?

An ecosystem consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are interconnected through nutrient cycles and energy flows. Energy enters the system through photosynthesis and is incorporated into the plant tissue.

The term "ecosystem" was first used in 1935 in a publication by British environmentalist Arthur Tansley. The term was coined by Arthur Roy Clapham, who coined the word at Tansley's request.

The main ecosystem types  are forest, desert, rainforest, grassland, tundra, savanna, and mountain ecosystems.

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explain how animal cells differ from plant cells with respect to the effects of net water movements

Answers

Answer:

Terms in this set (4) Animal cells do not have a cell wall, meanwhile plant cells do have a cell wall. As a result, water passes freely in an animal cell due to osmosis. In a hypotonic solution, there is more free water outside the cell than inside the cell.

30 living things name​

Answers

Answer:

Here is a list of living things:

HumansGorillasApesMonkeysGiraffesPigsHedgehogsCowsHorsesSheepGoatLambDuckHummingbirdOstrichCockroachCicadaCentipedeKatydidElephantTapirRhinocerosHippopotamusTigerSquirrelSilverfishOctopusSharkWhaleDolphin

Hope this helps!

Animals:dogs,cats,tigers,sharks,human beings,cows,lions,rabbits,fish,eagles

Plants:mangoes, apples,oranges,bananas,grapes,coconut,lime,peach,pear,

Birds:owl,dove,goose,turkey,raven,parrot,ostrich,hawk,eagle,pigeon,robin

Plants like the stinging nettle seen here have sharp, needle-like hairs that inject a burning chemical into animals that touch the stems or leaves. These hairs are used for A) protection. B) reproduction. C) photosynthesis. D) attracting insects.

Answers

Answer:

A. Protection

Explanation:

These plants have this external protection system to protect them against being eaten by these animals.

In cases where these plants are approached to be eaten by these animals, these systems which in this case are these hairs tend to make an effort by discomforting the approaching animals.

The animals upon sensing this discomfort retreat from feasting on these plants which thus prolongs their lives and prevent them from being eaten by these animals

The name of the process that takes place when sugars are broken down in the absence
of oxygen is

Answers

Carbohydrate metabolism

Answer: fermentation

Explanation:

If oxygen is absent during the second stage of cellular respiration, fermentation will occur

hope this helps :)

Please answer quickly!!!!!

Which property of argon makes it useful for potassium-argon dating?

It decays into potassium.

It is an unstable element.

It remains trapped in rock.

It is useful only for dating newer rock.

Answers

Answer:

The correct answer is c, plz give me brainlest

Explanation:

got 100 percent on the quiz

A property of argon that makes it useful for potassium-argon dating is that it decays into potassium. Thus, the correct option for this question is A.

What is Radioactive dating?

Radioactive dating may be defined as a type of methodology for dating rocks and minerals with the help of radioactive isotopes. This method is useful for igneous and metamorphic rocks, which cannot be dated by the stratigraphic correlation method used for sedimentary rocks.

Potassium-argon dating is a method of determining the time of origin of rocks by estimating the ratio of radioactive argon in order to radioactive potassium in the rock. This dating method is typically based on the decay of radioactive potassium-40 to radioactive argon-40 in minerals and rocks.

Therefore, a property of argon that makes it useful for potassium-argon dating is that it decays into potassium. Thus, the correct option for this question is A.

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the larvae of honey bee are voracious feeder why​

Answers

Answer: because of larva

Explanation: Larva. After three days, the egg hatches into a worm-like form called a larva. The worker bees feed the larva royal jelly for the first few days and then switch to honey and pollen. An exception to this is a future queen: this larva continues its diet of royal jelly.

Which matches the cellular structure with its function in the human body?

Answers

Answer:

Which of the following pairs correctly matches a cellular organelle with its function?

TEAS TEST 6

Question Answer

Which of the following pairs correctly matches a cellular organelle with its function? Cytoskeleton movement

Which of the following describes an anatomical relationship between two structures in the human body? The ribs are lateral to the sternum

Explanation:

how can vaccinating individual people will help protect a whole population from malaria

Answers

Answer:

This is where Herd Immunity comes into play. Herd Immunity occurs when enough people become immune to a disease that it is unlikely to spread, even to those not vaccinated. Though you should get vaccinated if you can just to be safe.

Explanation:

When an enzyme is exposed to a temperature higher than its optimum,
what happens?
A)Nothing
B)The enzyme catalyzes the reaction better
C)The enzyme becomes denatured
D)The rate of reaction remains the same

Answers

C) The enzyme becomes denatured

Compared to the Sun, the star Betelgeuse is
A. Less luminous and warmer
B. Less luminous and cooler
C. More luminous and warmer
D. More luminous and cooler

Answers

The answer to that is A

Red supergiant star Betelgeuse is around 764 times as massive as the Sun. To put that into perspective, the diameter of Mars' orbit around the Sun is 328 times that of the Sun. Thus, option A is correct.

What is the comparison of Sun and star Betelgeuse?

Betelgeuse is 640 light years away from the sun. Given that the star is only 10 million years old, it will die young like earlier supergiants.

The sun, in contrast, is only approximately halfway through its life and is nearly 4.6 billion years old.

Betelgeuse is one of the gleaming stars in the night sky and can be seen clearly on the right shoulder of the constellation Orion.

Betelgeuse is a red supergiant that is 1,400 times bigger than our Sun and thousands of times brighter.

Therefore, Compared to the Sun, the star Betelgeuse is  Less luminous and warmer.

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What factors affect gravitational force?

Answers

Answer:

[tex]mass \\ weight \\ presence \: of \: other \: field \: forces[/tex]

When dealing with the force of gravity between two objects, there are only two things that are important – mass, and distance. The force of gravity depends directly upon the masses of the two objects, and inversely on the square of the distance between them.

when we observe an organism or environment what are we observing A. changes B. similarities C. colors​

Answers

Answer:

II really have no idea but it might be A?

Explanation:

If I'm wrong I'm so sry T-T

Answer:

A. changes

Explanation:

i took the test and i got it correct trust me

how would you relate force and acceleration?​

Answers

Force = mass * acceleration

This is Newton's second law

Explanation:

Hey there!

The external agency that brings change in body's action(i.e changes the body from rest to motion or motion to rest) is called a force.

We know;

The force is inversely proportional to acceleration. So, the best method to relate them is force in inversely proportional to acceleration of a place.

Hope it helps...

Buffers are substances that help resist shifts in pH by (From the close reading exercises)

A. releasing H+ to a solution when acids are added.

B. donating H+ to a solution when bases are added.

C. accepting H+ from a solution when acids are added.

D. both donating H+ and accepting H+.​

Answers

Answer:

Buffers are substances that help resist shifts in pH by both donating H⁺ and accepting H⁺ (option D).

Explanation:

A buffer is a chemical substance capable of balancing the pH of a solution, when the balance is altered by the addition of an acid or a base. They are also called cushioning solution, and can be formed by an acid and its base conjugated, with a specific range of action.

The presence of a buffer in a solution has the ability to release hydrogen ions (H⁺) or accept them, helping to balance the pH, in the presence of a base or an acid, respectively. That is, a buffer can yield H⁺ to a solution when there are few or accept H⁺ when its content is high.

The other options are not correct because:

    A. Buffers do not release H+ into a solution when acids are added, but accept them.

     B and C.  Giving up H+ to a solution when bases are added or accepting H+ from a solution when acids are added are effects that buffers can potentially do, which is described in the text above.

surface area of 1x1x8

Answers

Answer:

What's the surface area of 1x1x8?

Explanation:

34 feet squared! Hope that helps.♡

Answer:

34 feet squared

Explanation:

You never have to worry about wastewater becoming contaminated because it can run through local treatment plants, true or false?

Answers

A person still have to be worried about wastewater becoming contaminated even though it passes through local treatment plants.

Wastewater refers to the water they has been used. It consists of the substances like human waste, oils, chemicals , food scraps etc.  

Even though used water runs through local treatment plants, it should be noted that not all the solid waste are removed as some of the waste will still end up getting into nearby rivers or streams and this can result in contamination when one eventually uses such water.

In conclusion, one still has to be worried even though the wastewater runs through local treatment plants. Therefore, the correct option is False.

Read related link on:

https://brainly.com/question/16143078

Answer:

False

Explanation:

Which best describes the permeability of a membrane?
O A. The total thickness of the membrane
B. The flexibility of the membrane
C. The number of molecules in the membrane
D. The ability to allow materials to cross a membrane

Answers

Answer:

D

Explanation:

D. is correct because the membrane works like a security guard and only allows certain materails to cross the membrane. The definition of permeability is the state or quality that allows something to pass through.

Permeability is a standard of easy motion of liquid and gases through a membrane or material. They allow the transportation and exchange of gases in a cell.

The statement that best describes the permeability of a membrane is:

Option D. The ability to allow materials to cross a membrane.

This can be explained as:

Permeability is a physical property of membranes and substances that allows the other molecules to move through them.

It acts as a barrier from substances entering and exiting the cell or membrane and maintains the balance in a system.

Therefore, permeability is the allowance of materials across the membrane.

To learn more about permeability follow the link:

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Evidence of past climate conditions is best reviewed by studying...
•deep sea sediments
•metal sulfides
•mid-ocean ridges
•modern ocean chemistry

Answers

Answer:

deep sea sediments

Explanation:

it seems more relevant but don't take my word for it double check your self

Answer:

Deep Sea sediments

Explanation:

may influence ocean conditions around the vast continent as well as climate change

Paleomagnetism is the study of

Answers

Answer:

B

Explanation:

ancient study of both rocks and earth as a whole

B. Over the last 100 years

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Which sentence correctly explains the process and conditions needed for sleet to form? (15 pointsss :)

Group of answer choices:

A. During thunderstorms and extremely cold temperatures, water droplets freeze in layers and form balls or chunks of ice.

B. Both the temperature of the cloud and the temperature of the air must be below freezing in order for the flakes to fall from the sky.

C. A liquid form of precipitation that is formed in above freezing temperatures becomes heavier as it falls the ground in the form of raindrops.

D. Ice crystals melt as they fall through a warm layer of air and then refreeze into small ice pellets as they pass through a colder layer of air.

Answers

green was not the impostor

Explanation:

u are all idiots

Answer:

gerijddhbdykbzdkvci

Discuss at least two reasons why windmills are more environmentally friendly for generating electricity than methods such as nuclear, or water power (dams).

Answers

Answer:

they use wind to generate it's electricity and also because it doesn't use chemicals that may be harmful to humans and the enviroment also BLACK LIVES MATTER

Explanation:

hope this helps do NOT write black lives matter on your paper

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