Answers
Approximately 316.54 liters of 2.3 M hydrochloric acid are required to produce 35.2 liters of hydrogen gas.
To determine the volume of 2.3 M hydrochloric acid required to produce 35.2 liters of hydrogen gas, we need to use stoichiometry and the ideal gas law.
First, let's write a balanced equation for the reaction:
2HCl + Ca → \(H_2 + CaCl_2\)
From the equation, we can see that 2 moles of hydrochloric acid (HCl) react to produce 1 mole of hydrogen gas (\(H_2\)). Therefore, we need to convert the given volume of hydrogen gas (35.2 liters) to moles using the ideal gas law.
PV = nRT
Where:
P = pressure in kilopascals (101.3 kPa)
V = volume in liters (35.2 L)
n = number of moles
R = ideal gas constant (0.0821 L·atm/(mol·K))
T = temperature in Kelvin (25.0°C + 273.15 = 298.15 K)
Using the ideal gas law equation, we can calculate the number of moles of hydrogen gas:
n = PV / RT
n = (101.3 kPa * 35.2 L) / (0.0821 L·atm/(mol·K) * 298.15 K)
n ≈ 1454.08 moles
Since 2 moles of HCl react to produce 1 mole of H2, we need half the number of moles of HCl:
n(HCl) = 1454.08 moles / 2
n(HCl) ≈ 727.04 moles
Finally, we can calculate the volume of 2.3 M hydrochloric acid required using its molarity (moles per liter):
V(HCl) = n(HCl) / M(HCl)
V(HCl) = 727.04 moles / 2.3 mol/L
V(HCl) ≈ 316.54 L
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Related Questions
ALL living organsims can absrob nitrogen as free gas.
A True
B False
Answers
Answer: FALSE is my best guess on this one.
if it's wrong I'm sorry i dinin't help you on this and have a great day
A sample of an unknown liquid has a volume of 12.0 mL and a mass of 6 g. What is its density?
Answers
answer:
0.5
Explanation:
density=mass divided by volume. so we have mass to be 6g and volume to be 12.0. so we have 6g/12.0. so the answer is 0.5
The boll weevil reduced cotton crops by up to 70 percent when the infestation was at its worst.
A. true
B. false
Answers
High Metabolism VS Low Metabolism: How to fix them.
Answers
Metabolism is the process by which the body converts food into energy that it can use for various functions such as breathing, moving, and thinking. Some people have a high metabolism, meaning their bodies burn calories and energy at a faster rate, while others have a low metabolism, meaning their bodies burn calories and energy at a slower rate. Here are some ways to address these differences:
For those with a high metabolism:
Eat more: To maintain a healthy weight, individuals with high metabolism may need to eat more calories than those with a lower metabolism. Consuming healthy, high-calorie foods such as nuts, avocados, and whole grains can help.
Strength training: Building muscle can help increase metabolism as muscle burns more calories than fat. Incorporating strength training exercises into the workout routine can help build muscle and boost metabolism.
Get enough rest: Sleep is essential for restoring energy and repairing muscle tissue. Not getting enough sleep can lead to a decrease in metabolism, so it is important to aim for 7-8 hours of sleep per night.
For those with a low metabolism:
Cardiovascular exercise: Cardiovascular exercise such as running, cycling, or swimming can help boost metabolism by increasing heart rate and burning calories. Aim for 30 minutes of moderate-intensity cardio exercise at least 5 days a week.
Increase protein intake: Consuming more protein can help boost metabolism by increasing the thermic effect of food, which is the amount of energy required to digest and absorb nutrients.
Stay hydrated: Drinking water can help boost metabolism by aiding digestion and preventing dehydration, which can slow metabolism.
In general, maintaining a healthy diet, staying active, and getting enough rest are key to maintaining a healthy metabolism, regardless of whether it is high or low. It is essential to consult a healthcare professional before making any significant changes to one's diet or exercise routine.
Answer:
Explanation:
Metabolism is the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available.
Having a high metabolism means your body burns energy from food at a faster rate than others your age. This means that you require more energy from food in order to grow and develop.
A person with a "low" (or slow) metabolism will expend less calories when at rest and during exercise, necessitating a reduction in caloric intake.
How to get a fast metabolism:
While metabolism is partially determined by genetics, there are several things you can do to help increase your metabolism:
Exercise regularly: Exercise helps increase muscle mass, which in turn can help increase metabolism. Aim to get at least 30 minutes of moderate to high-intensity exercise most days of the week.Eat enough protein: Protein requires more energy to digest than other nutrients, which means that it can help boost your metabolism. Aim to include a source of protein at every meal.Drink plenty of water: Drinking water can help keep your metabolism running smoothly. Aim to drink at least 8 cups of water a day.Get enough sleep: Lack of sleep can disrupt metabolism and increase the risk of weight gain. Aim to get at least 7-8 hours of sleep per night.Reduce stress: Stress can disrupt metabolism and increase the risk of weight gain. Find ways to manage stress such as through exercise, meditation, or talking to a therapist.Try strength training: Strength training can help build muscle mass, which in turn can help boost metabolism.It's important to note that while these strategies may help increase metabolism, there is no one-size-fits-all approach. Consult with a healthcare professional to determine the best course of action for your individual needs.
if a high metabolism is the case, there is nothing or barely anything to fix.
please answer ASAP!
A genetic engineer would be most likely to genetically modify which of the following traits to reduce and improve farm animal?
a. ability to grow larger while consuming less food (salmon)
b. production of unfertilized eggs (chickens)
c. production of its own milk for cheese (goat)
d. ability to survive on grain and hormones (cow)
Answers
Answer:
A genetic engineer would be most likely to genetically modify the chickens, with the trait being production of unfertilized eggs. (B)
The parents, Michael and Danielle, both have light brown skin and the Bb genotype. Draw a Punnett square and explain how these parents could have two babies with different color skin- one dark brown and the other tan.
Answers
Answer:
n order to create a Punnett square, we need to list the possible gametes (sex cells) that each parent can contribute to their offspring. Since Michael and Danielle both have the Bb genotype, they can each contribute a B or a b allele to their offspring.
Possible gametes for Michael: B or b
Possible gametes for Danielle: B or b
Using these gametes, we can create a Punnett square to show the possible genotypes of their offspring:
B b
B BB Bb
b Bb bb
From the Punnett square, we can see that there are four possible combinations of alleles for their offspring: BB, Bb, Bb, and bb.
BB: This offspring would have two dominant B alleles, resulting in dark brown skin.
Bb: This offspring would have one dominant B allele and one recessive b allele, resulting in tan skin.
Bb: This offspring would have one dominant B allele and one recessive b allele, resulting in tan skin.
bb: This offspring would have two recessive b alleles, resulting in light skin.
Therefore, it is possible for Michael and Danielle to have two babies with different skin colors, one with dark brown skin and the other with tan skin, due to the combination of their different alleles in their offspring.
Which research method involves an in-depth investigation of an individual subject?
A naturalistic observation
O A case study
OA survey
An experiment
Answers
How many phenotypes are there for a single gene trait
Answers
There are four phenotypes in a single gene trait.
Describe the ecological relationship between the coral and the zooxanthellae algae
Answers
Answer:
firstly they have mutualistic relationship .Coral provides the algae with protected environment and compounds they need for photosynthesis .
infact ... as much as 90% of the organic material photosynthetically produced by zooxanthellae is transferred to the host coral tissue
What are the cell organelles and each of their functions?
Answers
Answer:
Cell organelles are specialized structures within a cell that play a vital role in the cell's overall function. There are several different types of organelles, each with its own specific role. The nucleus is the control center of the cell and houses the cell's genetic material. The ribosome is responsible for producing proteins. The endoplasmic reticulum manufactures and transports molecules. The mitochondria provide energy for the cell. The Golgi apparatus is responsible for sorting and packaging molecules for transport. The lysosomes are responsible for breaking down large molecules. The vacuoles store nutrients and other molecules. The cytoskeleton is a network of protein fibers that helps maintain the shape of the cell and aids in transport. Finally, the chloroplast is responsible for photosynthesis in plant cells.
A large tray is filled with flour and a fan is turned on so that it blows wind across the top.
Which natural process is this modeling?
Answers
The natural process that the illustration models would be erosion.
ErosionIs a process by which the topmost soil of an area gets removed.
Erosion of topmost soils can be removed by water or by the wind.
When erosion is caused by water, it is called water erosion. If it is by wind, it is called wind erosion.
Thus, the blowing away of flour on a tray filled with flour by a fan is a way of demonstrating how wind erosion of soils works.
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Mitosis is a type of cell division that produces
1. Sex cell
2. Body cell
3. Leg cells
Answers
Water is transpired through stomata, but carbon dioxide also must pass through stomata into a leaf for photosynthesis to occur. There is evidence that the level of carbon dioxide in the atmosphere has not always been the same over the history of life on Earth. Explain how the presence of a higher or lower concentration of atmospheric carbon dioxide would impact the evolution of stomata density in plants.
Answers
Answer:
Escribir en español, por favor.?
During those high-carbon-dioxide times, plants that produce fewer stomata,
when carbon dioxide levels are low, plants need many stomata in order to scrape enough carbon dioxide to survive.
How does carbon dioxide affect water uptake?Plant water use, an increase in atmospheric CO2 means that stomata, or the pores on leaves that exchange gases between the leaf and the atmosphere, do not need to open.
Thus, carbon dioxide levels are low, need many stomata in order to scrape enough carbon dioxide to survive.
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2.2.1 2.2.2 State TWO possible advantages of using bananas as a vaccine against diseases. Give TWO reasons why people might be against the use of genetically modified bananas.
Answers
Advantages of using bananas as a vaccine against diseases: Oral Delivery, Cost-Effective Production.
Reasons why people might be against the use of genetically modified bananas: Safety Concerns, Moral Considerations.
1. Oral Delivery: Bananas can be consumed orally, making them an ideal vehicle for delivering vaccines. This eliminates the need for injections, which can be uncomfortable and require medical professionals to administer.
2. Cost-Effective Production: Bananas are relatively inexpensive to produce and are widely available in many parts of the world.
This makes them a cost-effective option for vaccine production and distribution, particularly in resource-limited settings.
Reasons against the use of genetically modified bananas as vaccines:
1. Safety Concerns: Some individuals may have concerns about the safety of genetically modified organisms (GMOs), including genetically modified bananas.
There may be uncertainties about the long-term effects of consuming GMOs, and fears of potential risks to human health and the environment.
2. Ethical and Moral Considerations: Opposition to genetically modified bananas may stem from ethical and moral concerns regarding the alteration of natural organisms.
Some people may view genetic modification as interfering with nature or raising questions about the boundaries of manipulating living organisms.
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Businesses will do research in area of _____when____ do not buy products related to that
Answers
Businesses will do research in area of preference/viability when the consumers do not buy products related to that.
Who is a Consumer?This is refereed to an individual who purchases goods ans services for his/her personal needs and isn't resold unlike wholesalers and retailers who do otherwise.
They are also the final destination for goods which is why businesses must research on what they prefer so that the necessary adjustments can be made. This helps to ensure that sales are boosted and profit yield is increased as this helps to keep the business running for a very long time.
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What will happen following contraction of the diaphragm
Answers
Answer:
Can you provide more details please?
Explanation:
Can someone help me please
Answers
Answer:
1. Coarse
2.Fine focus
3.Light
4.Arm, Base
5.Revolving nosepiece
6. 500x
All of the different organisms interacting in a pond make up:
A) a community
B) a population
C) the water cycle
D) the habitat
Answers
Answer:
Hi, there your answer is a community
Explanation:
How many times would you expect a restriction enzyme that recognizes a 6 base palindrome to cut a 24000 base piece of DNA?
Answers
Answer:
Total number of expected cut = 6 (Approx)
Explanation:
Frequency of 6 base sequence = (1/4)⁶
Frequency of 6 base sequence = 1 / 4,096
Find:
Total number of expected cut
Computation:
Total number of expected cut = 24,000 (1 / 4,096)
Total number of expected cut = 5.8593
Total number of expected cut = 6 (Approx)
If there are 8 amino acids, how many bases were on the mRNA?
Answers
If there are 8 amino acids, there would be 24 bases on the mRNA.
As we know that a set of three bases of mRNA, called a triplet codon, specify one amino acid. Thus, for a polypeptide of 8 amino acids, the corresponding mRNA will have 8 X 3 = 24 bases.
What does mRNA do?
Each mRNA carries instructions to make a specific protein. These instructions are like a “blueprint.” mRNA delivers these instructions, and cells put the protein together.
What is mRNA?
A type of RNA found in cells. mRNA molecules carry the genetic information needed to make proteins. They carry the information from the DNA in the nucleus of the cell to the cytoplasm where the proteins are made.
What are the 4 amino acids in mRNA?
It had long been known that only 20 amino acids occur in naturally derived proteins. It was also known that there are only four nucleotides in mRNA: adenine (A), uracil (U), guanine (G), and cytosine (C).
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pls help. A chicken protects their chicks by?
Answers
Answer:
yeah they sit on them to 1 keep them warm and two protection
Based on the images seen here identify which phase of matter would transmit lift waves the fastest and why
Answers
Answer: the answer is solid
Explanation:
because the solid would transmit the fastest because the particles are closest together.
Answer:
The correct answer is D) The gas would transmit the fastest because there are the fewest particles to interfere with the waves.On USA TEST PREP
Explanation:
This chart gives data on greenhouse gas emissions in the United States from 1990 to 2013. Which questions would help clarify the evidence in the chart? Graph of U.S. Greenhouse Gas Emissions by Gas, 1990-2013. Horizontal line, 1990-2013. Bottom to above, gases shaded are Fluorinated, Other greenhouse, Methane, Carbon Dioxide in million metric tons of carbon dioxide equivalents ranging from 0-8,000.
Answers
The questions that would help clarify the evidence in the chart are:
A. What percentage of total greenhouse gas emissions is caused by natural sources?
C. Why are carbon dioxide emissions so much higher than other greenhouse gases?
What are greenhouse gases?A greenhouse gas is a particular kind of gas that both absorbs and emits radiant radiation, which causes the atmosphere to warm.
Methane, nitrous oxide, carbon dioxide, and other manmade compounds are among the main greenhouse gases.
Carbon dioxide is cited as the most significant greenhouse gas since it now contributes the most to the warming caused by human activity,
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Complete question:
This chart gives data on greenhouse gas emissions in the United States from 1990 to 2013. Which questions would help clarify the evidence in the chart? Select ALL the correct answers.
1. What percentage of total greenhouse gas emissions is caused by natural source?
2. Should industries emitting carbon dioxide in huge amounts be fined or punished?
3. Why are carbon dioxide emissions so much higher than other greenhouse gases?
4. Why did the quantity of carbon dioxide emissions stay constant throughout the period?
5. What is the chemical formula for methane?
What is the total amount of carbon removed from the atmosphere each year by the ocean and land plants, as shown by the arrows? (from carbon cycle gizmo)
Answers
Answer:
Either carbon got here by diffusing from the atmosphere, by decomposing marine life, or from circulating water from the deep ocean.
The ocean absorbs more carbon dioxide from the atmosphere than the land does.
The surface ocean takes in approximately 90 Gigatons of carbon per year.
Your welcome!
Explanation:
define endothermic and ectothermic bacteria
Answers
Answer: Endotherms use internally generated heat to maintain body temperature. Their body temperature tends to stay steady regardless of the environment. However, Ectotherms depend mainly on external heat sources, and their body temperature changes with the temperature of the environment.
How does the rate of carbon dioxide emissions from 1900-1910 compare to the rate of carbon dioxide emissions from 2000-2010?
Answers
Answer:
Carbon dioxide (CO₂) emissions from human activities are now higher than at any point in our history. In fact, recent data reveals that global CO₂ emissions were 150 times higher in 2011 than they were in 1850...
{This might not be the right answer, but it could help giving you a idea}...
Climate mitigation can be pursued using the _____ approach.
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
precautionary
conservation
adaptation
wedge
Answers
Answer:
the answer is adaptation
Compare and contrast xerophytes and sclerophytes
Answers
Explanation:
Xerophytes and sclerophytes are different in their mechanism of adaptation.
Both having harsh plant adaptation
They both adapt in different ways xerophytes adapt in harsh climate where water is scarce whereas sclerophytes adapt in harsh nutrients less environment where they lack in nutrition .
Xerophytes have special leaf structure their lead modified into scales and spines , which help to reduce WATER LOSS
Sclerophytes leaves are leathery having waxy or scary surface that reduce the WATER LOSS
Xerophytes are adapted in arid enviornment and plant develop water conserving mechanism whereas sclerophytes adapted to harsh , nutrients poor enviornment having tough , woody tissue to withstand mechanical stress
What new knowledge was gained from Frederick Griffiths work with pneumococci bacteria
Answers
Answer:The new knowledge gained from Frederick Griffith's work with pneumococci bacteria is that bacteria contain a physical substance that can change the structure of other bacteria. Therefore, option 3 is the correct answer.
Explanation:
In summer squash, white fruit (H) is dominant over yellow (h), and the flattened disc-shaped fruit (D) is dominant over the spherical fruit (d). Examine this cross: HHdd x hhRD, and answer the following questions. (You can use a Punnett square to answer the questions, but you do not need to include it on this worksheet. If you do, it will not be graded.)
a) Does this cross represent a monohybrid cross or a dihybrid cross?
b) What percentage of the offspring from this cross are expected to have the HHDD genotype?
c) What percentage of the offspring from this cross are expected to have the hhDD genotype?
d) What percentage of the offspring from this cross are expected to have the HhDd genotype?
e) What percentage of the offspring from this cross are expected to produce white and disc-shaped fruits?
f) What percentage of the offspring from this cross are expected to produce white and spherical fruits?
g) What percentage of the offspring from this cross are expected to produce yellow and disc-shaped?
Answers
Answer:
a. It is a dihybrid cross
b. 0%
c. 0%
d. 0%
e. 100%
f. 0%
g. 0%
Note: Answers are given assuming that hhRD = hhDD
Explanation:
a. The cross, HHdd x hhDD is a dihybrid cross involving two traits: fruit colour and fruit shape
2. Gametes produced in the cross are given below:
for HHdd= Hd and Hd
For hhDD = hD and hD
Offspring produced in the cross:
All HhDd, which represents white and the flattened disc-shaped fruit white since They are both dominant characters.
b. Percentage of the offspring from this cross expected to have the HHDD genotype = 0%
c. Percentage of the offspring from this cros expected to have the hhDD genotype = 0%
d. Percentage of the offspring from this cross expected to have the HhDd genotype = 0%
e. Percentage of the offspring from this cross are expected to produce white and disc-shaped fruits (HHDD or HhDD or HhDd) = 100%
f. Percentage of the offspring from this cross expected to produce white and spherical fruits (HHdd or Hhdd) = 0%
g. Percentage of the offspring from this cross expected to produce yellow and disc-shape (hhDD or hhDd) = 0%