Calculate the number of moles in 15.8 g of Fe.
Express the number of moles to three significant figures.

Answers

Answer 1

Answer:

им putins брат, почему вы обманываете нашу систему образования, Это теперь запрещено в России.


Related Questions

Anything that causes disease is called a
O virus
O protist
O pathogen
O gene

Answers

virus
have a good day x
pathogen bacteria, viruses, fungi, and parasites that may cause illness and

oii-xepq-sxi come on fast...​

Answers

Answer:

nnnoooo

Explanation:

Which of the following factors may contribute to a population maintaining Hardy-Weinberg equilibrium

A There are no mutations in the DNA of the population.

B There are individuals migrating into or out of the population.

C The population is interbreeding with another species.

D The population size is very small.

Answers

Answer:

1. There are no mutations in the DNA of the population.*

2. The brown color is an adaptation that is being selected by the environment.

3. The number of individuals displaying each phenotype in both the current generation and the offspring.

4. The recessive phenotype in this population may serve as an adaptation in this environment.

5. A population of turtles that routinely breeds with another closely related species of turtle.

Explanation:

Good luck ♡

Distribution of Traits Quick Check

The factor that may contribute to a population maintaining Hardy-Weinberg equilibrium is there are no mutations in the DNA of the population. So, the correct option is A.

What do you mean by Mutation?

The sudden, stable, and inheritable changes in the genetic material of an organism, are called mutations.

There are some assumptions of Hardy-Weinberg equilibrium. They are.

The population is large.The members of the population mate randomly with each other.No migration occurs between populations.No new mutations are favorable. No survival or reproductive advantage.

Therefore, the factor that may contribute to a population maintaining Hardy-Weinberg equilibrium is there are no mutations in the DNA of the population.

To learn more about Hardy-Weinberg genetic equilibrium, refer to the link:

https://brainly.com/question/3406634

What happens to animals because of plastic trash in the ocean ?

Answers

Answer:

They suffocate and choke because of the plastic waste, they also feel trapped in there and sometimes smaller animals get stuck in there

Answer:

Fish, seabirds, sea turtles, and marine mammals can become entangled in or ingest plastic debris, causing suffocation, starvation, and drowning. ... Plastic waste kills up to a million seabirds a year. As with sea turtles, when seabirds ingest plastic, it takes up room in their stomachs, sometimes causing starvation.

Explanation:

An Inflammatory response typically includes: Group of answer choices increased activity of phagocytes in an inflamed area inhibiting the release of white blood cells from bone marrow release of substances to decrease the blood supply to an inflamed area reduced permeability of blood vessels to conserve plasma

Answers

Answer:

increased activity of phagocytes in an inflamed area

Explanation:

An inflammatory response is the way the body defends itself against attacks by microbes, physical or chemical agents. In other words, this is how organisms defend and inhibit damage from attacks. The inflammatory response allows high phagocyte activities in the inflamed area. Phagocytes are immunity-related cells that attack foreign and invasive substances, bacteria and dead cells.

1. identify the organelle that regulates cell function and contains the dna

A. Nucleus

B. mitochondria

C. golgi apparatus

D. cell membrane

Answers

Answer:

the organelle that regulates cell function and contains the DNA is a nucleus

What does the flagella do in a euglenoid?

Answers

Answer:

Euglena move by a flagellum (plural ‚ flagella), which is a long whip-like structure that acts like a little motor. The flagellum is located on the anterior (front) end, and twirls in such a way as to pull the cell through the water. It is attached at an inward pocket called the reservoir.

NO LINKS OR ELSE YOU'LL BE REPORTED!Only answer if you're very good at science.

Why is a sound wave a mechanical wave?​

Answers

Answer:

a sound wave moves through air by displacing air particles in a chain reaction, sound energy is associated with vibrations created by a vibrating source, that requires a medium to travel, which makes sound energy a mechanical wave

Explanation:

hoPE that helped :)

Answer:

Mechanical waves move "things"...they require a medium (whose molecules are the "things") to transmit their energy. Sound uses air molecules most of the time. It can use water molecules as well.

Explanation:

Fire and Mello conducted an experiment where they added no gene X RNA (b), anti-sense gene X RNA (c) or double stranded gene X RNA (d) to C. elegans embryos. They then did a hybridization experiment examining gene X mRNA levels in the embryo. Square (a) is a no probe control. How does this act as a control

Answers

Answer:

The correct answer is - It shows that an RNA probe is necessary to get a signal.

Explanation:

A probe is a specific single-stranded sequence of DNA or RNA that recognizes its complementary sequence in a particular sample genome for synthesis. The RNA probe is placed into close contact with the given sample under a specific environment that allows the RNA probe sequence to hybridize with its complementary sequence.

In this case, square a is the condition where no RNA probe is persent whereas all three other conditions have some sort of RNA probe, however, in C there is no Gene X probe but their probe present. To get a signal in hybridization RNA probe is required and that can be used as control as it can be used to compare if a signal is received or not.

Which statement is true of human cultures? O A. All human societies share the same cultural traits and practices. O B. Every human has a unique set of cultural traits and practices. O C. Culture includes a society's knowledge, customs, and achievements. O D. Cultures are groups of people united by blood relationships. SUBMIT​

Answers

Answer:

B. Every human has a unique set of cultural traits and practices.

Explanation:

Culture can be defined as the general way of life of a group of people living together in a particular location or society.

Basically, culture comprises of beliefs, values, behaviors, language, dressing, cuisine, music, symbols, arts, social habits, knowledge, customs, laws pertaining to a particular group of people living together in a society.

This ultimately implies that, culture are acquired and passed from one generation to another.

A cultural trait can be defined as the smallest characteristics of human activity (actions) that is mainly acquired socially and transmitted from one generation to another through various modes of communication.

This ultimately implies that, these unique behavioral informations or characteristics and beliefs acquired by people socially are transmitted from one individual or group of people to another.

Hence, the statement which is true of human cultures is that every human (race) has a unique set of cultural traits and practices that were acquired from the environment and society.

When hydrogen is burned, it reacts with oxygen and produces
O carbon dioxide
O water
O oll
O hellum

Answers

In a flame of pure hydrogen gas, burning in air, the hydrogen (H2​) reacts with oxygen (O2​) to form water (H2​O) and releases heat.

in a school 58% of the total number of students are boys in the number of girls is 814 how many number of students are in the class​

Answers

Answer:

See below.

Explanation:

Given that 58% of the students are boys, 42% must be girls.

42% = 0.42.

x = unknown number of students

0.42x = 814

x = 1938 (about equal to)

During frog gastrulation, involution occurs at the Group of answer choices endometrium. blastopore blastocoel. trophoblast. archenteron.

Answers

Answer:

blastopore

Explanation:

Involution is the second stage after invagination during frog gastrulation. Involution occurs at the blastopore when the marginal zone cells get to the tip of the blastopore, make an inward turn and then move along the inner exterior of the outer cells sheets.

This means that the cells found at the lip of the blastopore and always undergoing change and the first of these cells to develop into the dorsal lip are the endodermal cells. Next are the mesoderm cells that form the Notochord.


Which of the following kinds of cells perform basic functions such as obtaining energy from food?

Plant cells, but not animal cells
Animal cells, but not plant cells
Both plant cells and animal cells

Neither animal cells nor plant cells

Answers

Answer:

Both plant and animal cells

Explanation:

Answer:both plant cells and animal cells

Explanation:generally, cells obtain energy from food during cellular respiration where glycolysis takes place

List three different types of posttranslational modifications that may happen to a protein and the significance of each in the context of protein function.

Answers

Explanation:

These modifications include phosphorylation, glycosylation, ubiquitination, nitrosylation, methylation, acetylation, lipidation and proteolysis and influence almost all aspects of normal cell biology and pathogenesis.

ILL GIVE BRAINLIEST why do some medications developed to work on viruses not work on a mutated form?

Answers

Answer: They adapt and become resistant

Explanation:

Just as many organisms adapt to survive the main goal of a virus is to also survive by mutating it’s becoming resistant to previous medicine

Hope this helps

13. Which kingdom is known as a decomposer? A. Fungi B. Plantae C. Protista D. Animalia Dentisthenia​

Answers

Answer:

fungi

Explanation:

.......................

Answer:

I think it's D

Explanation:

Have a Nice Day

Alleles are described as ____________________. homologous chromosomes homologous chromosomes alternate versions of a gene alternate versions of a gene alternate phenotypes alternate phenotypes environmental factors that affect gene expression

Answers

Answer:

The correct answer is - alternate versions of a gene.

Explanation:

In a cell, if there are two copies of each chromosome, these are called homologous chromosomes, one come from the father and the other comes from the mother, which helps in promoting the variety and stability of a species.

Different or alternate versions of genes are possible that can result in two phenotypes for the same trait, these alternate versions called alleles. Alleles can be dominant and recessive.

The age of rock as determined by the other rock surrounding it is known as ______________.

A) absolute age
B) carbon dating
C) Law of Superposition
D) relative age

Answers

Answer:

B)CARBON DATING

Explanation:

BEST ANSWER GETS BRAINLIEST!!!!!!!!

A ransom note is left at the scene of a kidnapping. Investigators ask a forensic linguist to look at it. What possible information might the linguist be looking for on the note?

Phrases that are used only in one area of the country
The chemical makeup of the ink used
The color of the ink that was used and where it came from
How much money the suspect is asking for

Answers

Answer:

Phrases that are used only in one area of the country

Explanation:

Correct on the test :)

Identify the complementary strand of DNA with the sequence: ACC GTA TCG

1.) GTT ACG CTA
2.) ACC GTA TCG
3.) CAA TGC GAT
4.) TGG CAT AGC

Answers

Answer:

4

Explanation:

because it's there opposite letter

Answer:

4 b.c a is equal with t and g is equal to c

Red-green color blindness is a human X-linked recessive disorder. Jill has normal color vision, but her father is color blind. Jill marries Tom, who also has normal color vision. Jill and Tom have a daughter who has Turner syndrome and is color blind. a. How did the daughter inherit color blindness

Answers

Answer:

From her mother's (Jill's) father.

Explanation:

Describe what the plant looks like, including descriptions of any flowers or seeds, so that the farmer or rancher could identify the plant. Discuss the typical habitat for this plant. Where is this plant most likely to be found

Answers

Devesh is twice the size of u so you multiply add and subtract your number and

What is the rapid change in a membrane's potential caused by the depolarization of a neuron?

Answers

Answer:

During depolarization, the membrane potential rapidly shifts from negative to positive. As the sodium ions rush back into the cell, they add positive charge to the cell interior, and change the membrane potential from negative to positive.

Explanation:

The rapid change is cause by global warming it's a big problem in Depolarization

what is shown on the y-axis in this figure variation within treatment

Answers

Explanation:

Temperature is shown on y-axis

An electric current is generated when a coil of wire passes through a magnetic
field. A device for detecting this current is a
1 generator
2 turbine
3 calorimeter
4 galvanometer​

Answers

Answer: Galvanometer

What are the reasons why people are challenging the relevance of the Voting Rights Act today? Do you agree or disagree with these reasons?

Answers

People are challenging the the relevance because they don’t want people to vote and I disagree because it is not right to take away voting rights and automatically make someone president.

BEST ANSWER GETS BRAINLIEST!!!!!!!!

Each trait a person has, such as eye or hair color, is ultimately the result of a single allele in DNA.

True
False

Answers

Answer:fałsz

Explanation:

Answer:

False

Explanation:

I just took the test

Trace how the brain responds to stimuli through the nerves and neurons.​

Answers

Answer:

The correct answer is -The brain and the spinal cord respond and sends a signal down a motor neuron to a specific sensory stimulus.

Explanation:

Sensory receptors sense the changes that take place in the environment that is called stimuli by sensory neurons that transmit the signal from the sensory receptors to the brain.

The brain and the spinal cord make the central nervous system. This coordinates a response to a specific stimulus and sends a signal down a motor neuron and send a signal to the effector by motor neurons.

1. Much of the behavior of all primates is learned. Nonetheless, we have suggested many times that primate behavior has been shaped by natural selection. How can natural selection shape behaviors that are learned

Answers

Answer:

Nature selects best suited organisms having behaviours that help in the survival of organisms in that environment.

Explanation:

Natural selection can shaped the behaviors that are learned by the organisms because these behaviours helped organisms in their survival. Those organisms will be selected by the nature which can withstand the changing environmental conditions. Organisms adopt different behaviours in order to survive harsh environmental condition and these behaviour shaped by the natural selection in that organism so that they survive and grow in that environment.

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