Iron reacts with sulfur to form iron sulfide. If 60 grams of iron reacts with sulfur to produce 90 grams of iron sulfide, how much sulfur has been used in the chemical reaction?
A.
60 grams
B.
150 grams
C.
120 grams
D.
30 grams

Answers

Answer 1

Answer:

Its D. 30 grams:)

Explanation:


Related Questions

Pls fill in the blank. Ty

Answers

hopefully i could help!

Explain in detail how changes in light intensity or carbon dioxide levels might change rates of photosynthesis.

Answers

Without enough light, a plant cannot photosynthesise very quickly - even if there is plenty of water and carbon dioxide and a suitable temperature. Increasing the light intensity increases the rate of photosynthesis, until some other factor - a limiting factor - becomes in short supply.


“A lava monster needs a molten plastic-consistency to survive. What later should it be in?”
- lithosphere
- asthenosphere
- inner core
- outter core

Can someone please help me with this asap?

Answers

Answer:

Asthenosphere

Explanation:

The upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.

Which one is odd one out on the basis of respiration:
Amoeba, cockroach, earthworm, euglena

Answers

Answer:

Cockroach is you answer.

Explanation:

They do this by using a very efficient breathing system that uses air filled tubes, called trachea, to deliver oxygen directly to cells. Oxygen flows in as required into the tracheal system through valves on the insect, called spiracles. But, sometimes, they shut their spiracles and stop breathing.

During Mitosis, in which phase do two nuclei form?
A.prophase
B.anaphase
C.telophase
D.metaphase

Answers

C. I believe

In telophase, the cell is nearly done dividing, and it starts to re-establish its normal structures as

Organize the following groups of elements in order from least to most electronegative (Chromium, Zinc, Tungsten, lodine ) piz help me

Answers

Answer:Zinc 1.65

Chromium 1.66

Tungsten 2.36

Iodine 2.66

Zinc 1.65, Chromium 1.66, Tungsten 2.36 and Iodine 2.66

What is electronegativity?

The term "electronegativity" describes how attracted an atom is to the bonding electrons in molecules as opposed to other atoms.

American chemist Linus Pauling developed a set of dimensionless variables known as electronegativity values that vary from a little under one for alkali metals to a maximum of four for fluorine.

Electropositive elements are those that are on the left of the periodic table and have low electronegativities. We shall use the key attribute of the order of electronegativities F > O > N > C to explain the chemical properties of organic molecules.

Therefore, Zinc 1.65, Chromium 1.66, Tungsten 2.36 and Iodine 2.66.

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What is homeostasis (full explanation no copy right plz)

Answers

Answer:

Homeostasis is the ability to keep a stable internal state, despite changes in the environment. All living organisms must regulate their internal environment to process energy and survive. Hope it helps

Part 1: Which, if any, substance is soluble in water?
Part 2: Explain how the data helped you determine solubility for both substances for temperatures 20 °C to 80 °C

Answers

Answer:

Part 1: Sugar and salt

Explanation:

I only have the answer for part one sorry

discribe the passive transport movement of a substance down it's concentration gradient through a protein channel embedded in the cell membrane ​

Answers

Answer:

The passive transport of a substance by its concentration gradient through a protein channel is called facilitated diffusion.

Explanation:

Facilitated diffusion is a type of passive transport through the membrane, which involves the use of integral proteins called protein channels or transport proteins, and moves substances unable to cross the membrane by simple diffusion.

An example of facilitated diffusion through protein channels is the ion channel. Ions, being electrically charged particles, cannot pass through the plasma membrane. A protein channel -which crosses the whole thickness of the membrane- constitutes a space where ions can move depending on their concentration gradient.

In facilitated diffusion, both protein channels and transport proteins do not require energy, so it is a transmembrane passive transport process.

what is genetic ? can you plz give the definitoin​

Answers

Answer:

Genetics is someone that is related to someone else by genes or heredity  

Explanation

EXTRA POINTS* the particles in a ______ solid are arranged in a repeating pattern.

Answers

I believe the blank word is crystalline.


source: google

If a cell represented a city, what cell part would be the hotel?

Answers

Answer:

mitochondria

Explanation:

because its the power-house of the cell

Energy in an ecosystem flows directly from
a. producers to tertiary consumers
b. producers to secondary consumers
C. tertiary consumers to secondary consumers
d. secondary consumers to tertiary consumers

Answers

energy enters an ecosystem through photosynthesis. By feeding on plants and on one another, animals play an important role in the movement of the matter/energy though. they also influence the quantity of plant and biomass present. so the anwser is D, secondary consumers to tertiary consumers

Answer:

''d' is correct.

Explanation:

Producers-->Primary Consumers-->Secondary Consumers-->Tertiary Consumers

Match the correct definition with its word
rough endoplasmic reticulum protein synthesis
lysosome store calcium ions
nucleus create lysosomes
mitochondria create energy through respiration
smooth endoplasmic reticulum break down cellular food and waste
Golgi body controls cell activity

Answers

Answer:

rough endoplasmic recticulum synthesis protein to the cell.

Answer:

rough endoplasmic recticulum synthesis protein to the cell.

Explanation:

What is deoxyribose?
A. n acid found in DNA
B. a sugar in DNA
C. a pigment found in RNA
D. a nitrogenous base found in DNA and RNA

Answers

That’s easy it’s just B

nucleus is what? please healp

Answers

Answer:

The nucleus is the "brain" of the cell, the organelle responsible for producing ribosomes, as well as controlling all cell actions.

Explanation:

Answer:

A nucleus is a membrane-bound organelle that contains the cell's chromosomes. Pores in the nuclear membrane allow for the passage of molecules in and out of the nucleus.

Explanation:

sorry i am really late just what to help other people:)))

Analyze the diagram below. Which of the terms best describes it?

Answers

Answer:

disaccharides

Explanation:

they are formed by linking 2 monosaccharides through condensation

monosaccharides are simple sugars or glucose

Disaccharides are those types of carbohydrates that, when hydrolyzed by acids or enzymes, produce two molecules of monosaccharides that may or may not be identical. Thus, option A is correct.

What is important in formation of disaccharides?

Mono- and disaccharides, sometimes known as sugars, make up a significant portion of the carbohydrates included in food.

Disaccharides function similarly to other carbohydrates as a source of energy for the body.

When we consume foods containing disaccharides, our systems convert them into monosaccharides, or simple sugars, for absorption in the small intestine.

This condensation process is also referred to as a dehydration reaction, since a water molecule is released during this process.

Therefore, disaccharide is formed from monomeric subunits.

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What is the Scientific Method and what are the steps?

Answers

Answer:

The basic steps of the scientific method are: 1) make an observation that describes a problem, 2) create a hypothesis, 3) test the hypothesis, and 4) draw conclusions and refine the hypothesis.

Explanation:

its correct ok

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Answer:

The basic steps of the scientific method are:

1) make an observation that describes a problem,

2) create a hypothesis,

3) test the hypothesis, and

4) draw conclusions and refine the hypothesis.

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A student examining an unknown cell under a microscope notes it has a cell wall, cytoplasm, and genetic information contained within a nuclear membrane. Which inference would be correct?



Since the cell possesses a cell wall and genetic information, it has to be an animal cell.

Since the cell contains genetic information, it has to be a bacteria cell and prokaryotic.

Since it possesses a cell wall and DNA contained in a nuclear membrane, the cell must be eukaryotic.

Since the DNA is contained in a membrane and not in the cytoplasm, the cell must be a plant cell

Answers

Answer:

Since it possesses a cell wall and DNA contained in a nuclear membrane, the cell must be eukaryotic

Explanation:

Since the cell possesses a cell wall and genetic information, it has to be an animal cell.

     -this is a plant cell because of the cell wall

Since the cell contains genetic information, it has to be a bacteria cell and prokaryotic.

     -prokaryotes don't have DNA contained in a nuclear membrane

Since it possesses a cell wall and DNA contained in a nuclear membrane, the cell must be eukaryotic.

     - DNA contained in a nuclear membrane --> eukaryototic

     - cell wall --> plant cells, which are eukaryotic

Since the DNA is contained in a membrane and not in the cytoplasm, the cell must be a plant cell

      -DNA is contained in a membrane should not lead to the conclusion that it's a plant cell, as it could be an animal cell too

How was the invasion of zebra mussels in the Hudson River affected one biotic or abiotic factor in the river ecosystem?

Answers

Answer:

Explanation:

Zebra mussels are filter feeders. As they fed, they filtered particles out of the water, including suspended solids and organic materials, as well as organisms such as phyto- and zooplankton

Information on Osmosis

Answers

Answer: OSMOSIS

Explanation:

Osmosis is when solvent molecules move through a selectively permeable membrane into a region of a higher solute concentration, so that it would equalize the solute concentration on both side. (THINK: water always goes to salt, never the other way around)

Deep-oceanic trenches are formed a subduction
Zones
at)
plate boundaries.
Divergent
Convergent
Transform
Pacific

Answers

Answer:

Convergent

Explanation:

In particular, ocean trenches are a feature of convergent plate boundaries, where two or more tectonic plates meet. At many convergent plate boundaries, dense lithosphere melts or slides beneath less-dense lithosphere in a process called subduction, creating a trench.

Answer:

Im pretty sure its convergent!

Explanation:

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Answers

Answer:

Position 4

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Which of the following is NOT one of the three types of neurons?

Group of answer choices

Peripheral

Sensory (or Afferent)

Motor (or Efferent)

Interneurons

Answers

Answer:

Sensory (or Afferent)

Explanation:

the answer is Peripheral

Not sure about the answer pls help me

Answers

You got it right in the image!

what do the arrows represent?​

Answers

Answer:

Hope it help you

Stayhomestaysafe

Plz mark my answer brainliest✍️✍️

Explanation:

Arrows have come to represent protection and defence from any evil that can come to you. Sustenance – Arrows were used to fight enemies and to hunt food, two important aspects of sustaining life. As a result, an arrow symbolizes maintaining and protecting life.

REAL NAME - SHRESTH DUBEY

The arrows in a food chain represent the flow of energy or the transfer of nutrients between different organisms in an ecosystem.

They indicate the direction of energy transfer, showing which organism is being consumed by another. The arrow always points from the organism being consumed (prey) to the organism consuming it (predator).

The primary producers, such as plants or algae, are at the beginning of the food chain and transfer energy to herbivores (primary consumers), which are then consumed by carnivores (secondary consumers) or other higher-level consumers.

The arrows help depict the interconnectedness and energy flow within an ecosystem, illustrating the feeding relationships between organisms.

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Your question is incomplete, but most probably your full question was.

What do the arrows in a food chain represent?

Which option best explains how thermal equilibrium interacts with heat transfer between particles

Answers

Answer:

partners partners or been to the into something that is only one that can be used at

In Hawaii, new land forms when lava erupts from Kīlauea volcano and hardens. The new land is without any living things. The first organisms to populate the surface of that new land are known as species. With time, a series of changes called succession occur on the new land through which it becomes colonized by a variety of organisms.

Answers

Answer:

Primary succession

Explanation:

The new landforms that are devoid of any vegetation have barren and rocky environment are colonized by the first plant species like grass and moss is called as primary succession which changes with time and occurs on new lands that not colonized yet and later on gets colonized a variety of organisms.

MAKING BRAINLIEST, THANKS AND FIVE STARS TO CORRECT ANSWER!! PLZ AND THANK YOU. HAVE A GREAT DAY :D

A sperm cell joins with an egg cell during:


fertilization


pollination


mitosis


growth

Answers

Answer:

Fertilization !!

Explanation:

When the egg and sperm cells combine in fertilization, they merge the two sets of chromosomes.

Hope i helped :)

You are a scientist and would like to know if a new fertilizer will help plants grow faster. What would the control group be?

A)The group that gets only water, no fertilizer

B)The group that gets water and fertilizer

Answers

Answer: The group that gets only water no fertilizer

Explanation:

The control group does not have an additive

The control group will be the group that gets only water, no fertilizer. Thus, option A is correct.

What is function of fertilizer ?

An additional organic or inorganic substances which is added to soil or plants to increase the crop productivity is called as fertilizer.

It contain plant growth promoting nutrients like nitrogen, potassium, and phosphorus; For example, urea, anhydrous ammonia, etc.

The organic fertilizer is derived naturally from plants and animals. It enriches the soil nutrient level, encourage microbial reproduction.

Organic fertilizers are Agricultural Waste, Manure, municipal sludge etc.

Inorganic fertilizers generated chemically contain inorganic nutrients for crop growth; It can be up two types.

Nitrogen fertilizers where nitrogen is the primary element as it is constituent of chlorophyll, maintain the process of photosynthesis, thus improve the crop production.

Phosphorus fertilizer, increases the plant root growth as the protoplasm of the cell contains phosphorus, important for cell growth and proliferation.

Thus, option A is correct.

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Other Questions
Peoples experience can aid them in their careers. Experiences are best described as (6) These students should be exempt from taking the final exam because they have already demonstrated responsibility and dedication, they know the material, and most importantly they feel that other students will likely be inspired to achieve the ultimate honor-roll goal.7) Primarily, honor-roll students should be exempt from taking the final exam because they are responsible and dedicated. (8) These students have stayed on task, going out of their way to turn in a job well done. (9) Sometimes, they sacrifice by staying up late to finish homework assignments. (10) As one honor-roll student recalled, One time, I stayed up literally all night so that I could finish a project. (11) The problem was not finishing it but making sure that it would come out perfect; it did. Sentence 8 needs to be revised to provide more sentence variety in the paragraph. What is the best way to revise sentence 8? 1) The job has gone out of the way to stay on task and benefit these students. 2) Honor-roll students have stayed on task, going out of their way to turn in a job well done. 3) Staying on task, these students have gone out of their way to turn in a job well done. 4) These students have done a good job and gone out of the way to stay on task. The Battle of New Orleans occurred (before, after, as)the Treaty of Ghent was signedEdge Which type of appeal does President Lincoln use in these line to try to persuade Southerners? How many carbon atoms are there in 3 molecules of CI4? What European settlers wrote the first piece of Antiracist writing in America? What is the difference between facilitated diffusion and active transport?Facilitated diffusion uses ATP and moves substances with the concentration gradient; active transport does not.Active transport uses ATP and moves substances against the concentration gradient; facilitated diffusion does not.Active transport uses ATP and does not require a carrier protein; facilitated diffusion does neither.Facilitated diffusion uses ATP and requires a carrier protein; active transport does not. The United States' main interest in Southwest Asia is oil. Which reason below BEST explains why?A. The United States' main export is petroleum-based products.B. Gas prices are too high.C. The demand for oil increased as the amount of cars and factories increased.O D. The United States wanted to compete with OPEC. Why do you think people disagree over the cause of the Civil War? 45 + 15(n 1) for n = 6 A patient has been complaining of diarrhea, vomiting, and nausea. The doctor suspects this to be case of gastroenteritis (inflammation of the stomach). What diagnostic procedure is the doctor likely to use?A. abdominal computed tomographyB. endoscopyC. urine examinationD. hemoccult test Find the area of the rectangle. The length is 1.25 and the width is 0.8 inches 4Las plantas se dividen en dos grandesgrupos llamados: * Could I get help on this it's due today? The painting shows Daniel Boone leading pioneers through the Cumberland Gap.The painting shows how many Americans of the early 1800s began to seek new opportunities byheading westward.returning to Europe.settling a river valley.conquering Mexico. Stephen learned that there are two forces that keep the moon in orbit around Earth. How do these forces keep the moon from flying off into space? A. Gravity keeps the moon in motion, and inertia attracts the moon toward Earth. B. Gravity attracts the moon toward Earth, and inertia keeps the moon in motion. C. Gravity attracts the moon toward Earth, and the distance keeps it from going further away. D. Mass weighs the moon down so it stays close to Earth, and inertia keeps the moon in motion. what did mine. loisel love? Describe elements shown in "The Swing" and how they are characteristic of the time period in which it was created in art How many sandwiches must you sell to make $100 profit Which detail is important and should be included in the summary of this passage?