Answer:
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11. The balanced chemical reaction is:
2 B(IO₃)₃ + 3 Fe₃P → 2 BF₃ + 3 Fe(IO₃)₂
12. In this case, the limiting reagent is the Iron (II) phosphide.
13. The amount of Iron (II) iodate produced is 1.825 moles.
14. The amount of excess Boron iodate remaining after the reaction is 0.265 moles.
15. The actual yield of the reaction is 132.1 g.
11. To write the balanced chemical reaction, we need to first determine the correct coefficients for each reactant and product. We can do this by balancing the number of atoms of each element on both sides of the equation.
12. The limiting reagent is the reactant that is used up first. In this case, the limiting reagent is the Iron (II) phosphide. This is because 112.0 g of Iron (II) phosphide is equivalent to 0.560 moles, which is less than the 1.825 moles of Boron iodate.
13. To calculate the amount of Iron (II) iodate produced, we need to multiply the number of moles of Boron iodate by the molar ratio between Boron iodate and Iron (II) iodate.
14. The amount of excess Boron iodate remaining after the reaction is 0.265 moles. This is because 1.825 moles of Boron iodate minus 0.560 moles of Iron (II) phosphide is equal to 0.265 moles.
The amount of excess Iron (II) phosphide remaining after the reaction is 56.0 g. This is because 0.560 moles of Iron (II) phosphide is equal to 56.0 g.
15. To calculate the actual yield of the reaction, we need to multiply the theoretical yield by the percentage yield.
The actual yield of the reaction is 132.1 g. This is because 1.825 moles of Boron iodate is equivalent to 132.1 g and the percentage yield is 72.659.
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Which of the following are functions of the limestone skeleton of a coral reef? (Choose all that apply.)
a. Provides a home for sharks and other large fish and sea mammals
b. Provides a surface where algae attach and provide food for the corals
c. Provides shelter and protection for other invertebrates and sea life
d. Protects the coral
Answer:
Provides a surface where algae attach and provide food for the corals
Answer:
Protects the coral
Provides a surface where algae attach and provide food for the corals
Provides shelter and protection for other invertebrates and sea life
Explanation:
Everything minus housing large fish and mammals, I took the test and got it correct.
What kingdom is made of organisms that are eukaryotic, plant-like, do not move, and do not carry on photosynthesis?
Answer: Fungi
Explanation: It just is
Answer:
Fungi
Explanation:
Many diverse organisms including algae, amoebas, ciliates (such as paramecium) fit the general moniker of protist. "The simplest definition is that protists are all the eukaryotic organisms that are not animals, plants or fungi," said Alastair Simpson, a professor in the department of biology at Dalhousie University.
Define the following ecological term biosphere
In animals sexual reproduction requires
Answer:
The placement of sperm within female's reproductive track.
Explanation:
In animals, sexual reproduction requires sperm of male has to be placed in the reproductive track of female where eggs are present. The sperm of male fuse with eggs of female produces zygote which turns into an offspring. The sperm of male and egg of female are haploid in nature means having half number of chromosomes but when they fused together then the zygote which is formed is diploid i.e. double number of chromosomes. The gametes are formed through meiosis not mitosis. Mitosis cell division occur in body cells.
Would you mind answering this one
Which fact supports the conclusion that it is important for handlers to perform regular visual inspections of livestock?
O Some diseases that affect animals can be passed on to humans.
O Viral diseases are often spread through the air and on surfaces.
O Extemal parasites can cause serious infections if left untreated.
O Bacterial infections are often caused by unsanitary environments.
please help quick
Answer:
O Extemal parasites can cause serious infections if left untreated.
A
1. The diagram above shows a bacterial cell.
What does structure A do? sc.6.L.14.6
It helps the bacterium obtain food.
® It helps the bacterial cell move.
© It helps keep the bacterium from drying
out.
0 It helps control all processes of the
Answer:
answer is C
Explanation:
What two words best describe bacterial reproduction? Why?
Answer:
Produces, and Divides
Explanation:
Bacterial Reproduction is a single cell that divides into two identical daughter cells.
How is Earth’s outer layer similar to a cracked hard-boiled egg?
Answer:
They're similar because both Earth's layer and a cracked hard boiled egg have a thin brittle shell.
Explanation:
The eyes work with the brain and other body parts through a series of steps that help you catch a ball. What step takes place right after your eyes send the image of the ball to the brain? Group of answer choices The brain realizes that a ball is coming toward you. The brain sends a message to the muscles in your arms to move. The eyes see the ball. The muscles pull on the bones in your arms as you catch the ball.
The correct answer is A. The brain realizes that a ball is coming toward you.
Explanation
The optical components of the eye are those that allow the formation of the image on the retina and are the following: the cornea, the lens, the pupil, the aqueous humor, and the vitreous humor that allow the formation of an image on the retina. After this, the image is transmitted to the brain through nerve impulses. According to the above, the step after your eyes send the image of the ball to the brain is A. The brain realizes that a ball is coming toward you.
Answer:
The answer should be B
Explanation:
im from flvs
7. What causes high and low tides?
O A. The series of regular lunar eclipses
O B. The frictional coefficient of water
O C. The gravitational pull of the sun and the moon
O D. The rotation of the earth on its axis
Answer:
the correct answer is option D
Answer:
Answer is C
Explanation:
The moon and sun have their own gravitational pulls that indeed cause high and low tides. If you can see the moon over you at a beach for say, then the tides would be high, if there is no moon, then the tides are low
A___is where an organism lives ,and their ___is their way of life in that place
a:habitat;career
b:niche;habitat
c:habitat;niche
Answer:
C
Explanation:
a habitat is where an organism lives,and their niche is their way of life in that place .
Mutations cause changes in DNA which ultimately changes _____.
A. elements
B. proteins
C. compounds
D. essential nutrient
If you dont really know don't answer please. Thanks
What is the per capita growth rate of a population of frogs that has a per capita birth rate of 1 frog and a per capita death rate of 2 frogs?
a. 1
b. 2
c. -1
d. 0
Answer:
c. -1
Explanation:
When 1 frog is born, 2 frogs die, so it is +1 and -2.
Add them together to get the answer: 1 + -2 = -1
The per capita growth rate of a population of frogs that has a per capita birth rate of 1 frog and a per capita death rate of 2 frogs is -1. The correct option is C.
What is the growth rate?The growth rate is the specific rate of change of the variables of a specific place and specific time. Growth rate is calculated by collected data of a place, and it is compared to the former population.
The growth rate of frog is here given, the growth rate is also depended upon the death rate of the population, death rate is subtracted by the population
The per capita growth rate is 1
The per capita death rate is 2
When 1 frog is born, 2 frogs die, so it is +1 and -2.
Adding them together:
1 + -2 = -1
Thus, the correct option is c. -1.
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A ______ is anything in the environment that affects the behavior of an organism.
tropism
hormone
stomata
stimulus
Answer: stimulus
Explanation:
A stimulus is anything in the environment that affects the behavior of an organism.
A stimulus is anything in the environment that affects the behavior of an organism.
Help plz what are these two? NO LINK!!!
Answer:
Hi, there the answer is Neap tides
The second one the answer is Cotinental Coast
Explanation:
1.Neap tides are tides that have the smallest tidal range, and occur when the Earth, the Moon, and the Sun form a 90° angle.
2. A continental coast is not a zone that is included in the continental margin. A continental margin is an offshore zone that separates a dry land portion from the deep ocean floor.
Hope this answers your question :)
HURRY PLZ ⚠️Which of the following might require the use of a whisk?
a mixing pancake batter
C. chopping onions
b. making meatloaf
d. draining spaghetti
Please select the best answer from the choices provided
A
B
O O O O
Answer:
A I hope this helps you
Answer:mixing pancake batter
Explanation: you need to use a whisk to beat the eggs
what two changes would decrease the density of ocean water
Answer:
the temperature of the water and the salinity of the water
Answer:
There are two main factors that make ocean water more or less dense than about 1027 kg/m3: the temperature of the water and the salinity of the water.
Explanation:
A compound with the molecular formula of C5H1005 would be classified as which organic molecule?
A) Proteins
B) Carbohydrates
C) Lipids
D) Nucleic acids
In sexually reproducing organisms such as birds, which of the following is true ab--
out the genes found in the offspring?
All of the genes in the offspring’s cells contain genetic information from just one of the parents.
All of the genes in the offspring’s cells contain genetic information from just one of the parents.
Most of the genes in the female offspring contain genetic information from the mother, while most of the genes of the male offspring contain genetic information from the father.
Most of the genes in the female offspring contain genetic information from the mother, while most of the genes of the male offspring contain genetic information from the father.
Some of the genes in the cells of the offspring contain genetic information from one parent but the number of chromosomes containing information from each parent cannot be predicted.
Some of the genes in the cells of the offspring contain genetic information from one parent but the number of chromosomes containing information from each parent cannot be predicted.
Half of the genes in the cells of the offspring contain genetic information from one parent while the other half contains genetic information from the other parent.
Half of the genes in the cells of the offspring contain genetic information from one parent while the other half contains genetic information from the other parent.
what is the endobrane system, its purpose and which organelles are part of it?
The endomembrane system includes the nuclear envelope, lysosomes, vesicles, the ER, and Golgi apparatus, as well as the plasma membrane. These cellular components work together to modify, package, tag, and transport proteins and lipids that form the membranes.
What is the endomembrane system? The endomembrane system (endo- = “within”) is a group of membranes and organelles in eukaryotic cells that works together to modify, package, and transport lipids and proteins.
15 points! Please don’t answer with link or fake answers just for the points. Thank you very much!
If Nation A needs a natural resource that Nation B has a lot of, why
might Nation A have trouble getting that resource from Nation B?
Why is energy conservation beneficial?
List 5 ways that natural resources can be conserved.
Answer: Nation A might be overusing their natural resources causing them to need it from Nation B. However Nation B knows this which might cause Nation A the trouble of getting that source.
1. To force laws in preventing the overuse of natural resources
2. Making recycling must be necessary and used.
3. Making electric cars and putting gas restrictions.
4. To create forests in certain areas making sure laws prevent people from cutting it down.
5. As well as preserving fresh water. Instead, use salt water and convert it to save that fresh water.
In an effort to maintain homeostasis, the organ systems of the human body work to keep the body's internal water level constant. Which of the following statements describe how the human body responds when its internal water level drops too low?
(I’ll give brainliest)
A. The skeletal system produces more circulating blood cells that insecure the body’s water intake
B. The excretory system signals the kidneys to retain more water and produce more concentrated urine to decrease water loss.
C. The nervous system signals the muscles to constrict , holding more water in the digestive track and decreasing water loss .
D.The excretory system signals the kidneys to release more water into the bladder to increase water loss .
Answer:
B.
Explanation:
When we are dehydrated, our urine tends to be more yellow, right? That's because our urine contained less water to dilute the chemical compounds causing the yellow color — when we're dehydrated, our kidneys decide to pull less water out of the bloodstream than normal.
4) A molecule has been isolated from a cell. The molecule is found to be in a ring shape made up of carbon, hydrogen, and oxygen atoms in a 1:2:1 ratio. Choose all the statements that apply to this molecule. A) The molecule is an enzyme. B) The molecule is likely a sugar. C) The molecule is likely a carbohydrate. D) The molecule is produced during photosynthesis. E) The molecule comprises the largest component of the cell membrane.
What will most likely be the result of destroying the rain forest for timber harvesting and creating farmland?
A.
an improvement of local water supplies as the soil is stabilized and decaying vegetation from the trees disappears
B.
an increase in the populations of underpopulated areas of Earth, which should ease overcrowding in more populated areas of the planet
C.
a decrease in biodiversity caused by loss of habitat and increased global warming
Answer: i would say c beccause the animals and more wont have a place to live so it may be hard for them to survive
Explanation:
pls mark brainliest
Lou’s board games are all on a shelf with a length of 30 inches, a width of 12 inches, and a height of 14 inches. If his games take up half of the shelf, which expressions show how to calculate the volume of the space that the games are taking up? Check all that apply.
One-half(30 + 12 + 14)
30 + 12 + 14
15(6)(7)
One-half(30)(12)(14)
30(14)(12)
15(12)(14)
15(6)(7)
One-half(360)(14)
Answer:
4 6 8
Explanation:
Just took the test
The answer is;
D, F, and H!
Which of the following is NOT part of a chromosome?
A. genes
B. cells
C. nitrogen bases
D. DNA
Is a fish a living organism?????????????????????????
Answer:
yes a fish is a living organism
Answer:
yes
Explanation:
it can move, eat and produce
adaptations of a muscle cell to its functions
Answer:
Many cells are specialised. They have structures that are adapted for their function. For example, muscle cells bring parts of the body closer together. They contain protein fibres that can contract when energy is available, making the cells shorter.
what makes a good scientific argument?
Answer:
the claim (or the explanation), the evidence (or the observations), and the rationale (or the reasoning). Reasoning that explains the evidence and why it supports the claim.
Explanation:
Hope this helps!
Answer:
Breaking their Theory and throwing liquid chemicals at their shirt and they get fired
Explanation:
The picture above shows some of the organs of the human body. Which organ does the letter W point to?
Answer:
I'm sorry but there is no picture above you-