What hazards should you be aware of when drying your recovered sio2 and caco3?

Answers

Answer 1
Silicon dioxide when dried and in the powdered state are known to have caused many respiratory ailments. Fine dust is airborne which is readily inhaled by unprotected individuals and damage their lungs. Diseases like bronchitis and lung cancer are some. They can also exacerbate allergies and autoimmune diseases because they are insoluble to human body they will eventually create triggers to inflammation. Calcium carbonate is highly toxic if ingested at a high amount.
Answer 2
Final answer:

Hazards while drying recovered SiO2 and CaCO3 include skin and eye irritation, release of toxic gases, spontaneous flammability, and respiratory system damage due to inhaled dust.

Explanation:

When drying your recovered SiO2 (silicon dioxide) and CaCO3 (calcium carbonate), it's crucial to consider certain potential hazards. Firstly, both these substances can cause skin and eye irritations if improperly handled. Secondly, heating these chemicals can lead to the release of toxic gases. Therefore, adequate ventilation is required during the drying process. Note that when overheated, silicon dioxide can convert to silicon, a highly flammable substance. Finally, if the released dust or particles of these materials are inhaled, it can damage the respiratory system. Use of proper personal protective equipment and following safety protocols can mitigate these risks.

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Related Questions

Which of these is an example of interactions between the atmosphere and geosphere?

A)formation of snow
B)erosion of soil due to wind
C)destruction of houses by floods
D)uprooting of trees during tornadoes

Make sure that u know the answer!!!!!!

Answers

B)erosion of soil due to wind

Atmosphere is air. 
Geosphere is rocks/soil. 

B)erosion of soil due to wind



Hope this helps.....

"the term ________ refers to the part of the inner ear that plays a key role in maintaining a sense of balance."

Answers

Labyrinth or the vestibule is the part of the inner ear (vestibulocochlea) that deals with balance (equilibrium).

The muscle chiefly responsible for the extension of the elbow joint is known as the

Answers

Answer:  "triceps brachii" .
_________________________________________

It is easier to assign a specific age to rocks containing fossils that

Answers

It is easier to assign a specific age to rocks containing fossils that LIVED FOR A SHORT TIME.
Radiometric dating is the process used to calculate the age of a rock. By this method the actual age of the rocks can be determined. Relative dating is a method used to calculate the actual age of a rock containing fossil.

Which germ layer generates the neural tube?

Answers

The ectoderm is the germ layer that generates the neural tube. It also develops in to the surface ectoderm and the neural crest. This is how we get hair, nails, cornea and tooth enamel.

What structural feature of cells can allow molecules to flow directly from the inside of one cell to the inside of the next? (a) cilia (b) plasmids (c) plasmodesmata (d) choroplasts PLEASE HELP ME!

Answers

C . Plasmodesmata is correct :)
c is the right answer

How can we best characterize the physical differences between humans and apes?

Answers

The physical differences between humans and apes are: human have  relatively short and weak arms compared to their legs.  Human's toes become shorter, so human's feet do not have the ability to effectively grasp and manipulate objects.  Human feet are longer than the feet of apes, in order to better support the body. 

If two species are branching off of the same node in a phylogeny, is it possible to tell which species evolved first?

Answers

I don't think so, becuase they both branch off and they have a common ancester.

The normal, or ________, eye accommodates properly.

Answers

the normal, or emmetropic, eye accommodates properly.
Final answer:

The normal, or typical, eye accommodates properly for close and distant vision.

Explanation:

The normal, or typical, eye accommodates properly. For close vision, the eye is fully accommodated and has its greatest power, whereas for distant vision, it is totally relaxed and has its smallest power. An 8% ability to accommodate is considered normal but is typical for people who are about 40 years old. Younger people have greater accommodation ability, whereas older people gradually lose the ability to accommodate.

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Lipid is one of the major classes of bio molecules needed by the body. The body breaks down lipids that we consume to create blank and blank

Answers

fatty acids and glycerol is what lipids break into

Why is it important spores to spread easily to other locations?

Answers

It is important for spores to spread easily because that is how they reproduce. 

Comment Thx I really needed it TYSM !

Channel proteins that form a narrow passageway in gap junctions are known as which of the following

Answers

Channel proteins which form a narrow passageway in the gap junctions are known as CONNEXONS.
Connexons are usually found at gap junctions, they form passage way which allow small molecules and ions to pas from cell to cell. Gap junctions are typically found in epithelial cells where the movement of ions facilitate coordinated functions. 
Final answer:

Connexons are the channel proteins that form a narrow passageway in gap junctions.

Explanation:

Channel proteins that form a narrow passageway in gap junctions are known as connexons.

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Why did dna technology lead to more use of cladistics?a. it showed that the linnaean system was the most accurate.b. it changed ideas about which animals were closely related.c. it proved that eukaryotes formed from endosymbiosis.d. it showed that there are three domains and six kingdoms?

Answers

The correct option from given options is "b", that is  it changed ideas about which animals were closely related.
Cladistics was invented for the purpose of improving on taxonomy and it is a way to deal with biological classification. DNA technology lead to more use of cladistics because it changed ideas about which animals were closely related and also it showed new evolutionary relationships between animals.

DNA technology leads to more use of cladistics because it changed ideas about which animals were closely related (Option b).

What is DNA technology?

DNA technology refers to the techniques that use genetic material as the source to answer scientific questions.

DNA technologies and cladistics can help us to answer evolutionary questions.

In conclusion, DNA technology leads to more use of cladistics because it changed ideas about which animals were closely related (Option b).

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Energy conversion within an animal cell would be severely limited by removal of the cell's

Answers

mitochondria is your answer ..

Why do different individuals such as siblings have different restriction enzyme recognition sites?

Answers

The DNA material found in each person is unique, no two individual have the same type of DNA material. Because of the differences in the DNA molecule of individuals, the restriction enzyme recognition sites are also different too. Restriction enzyme recognition sites refer to the different locations on a DNA molecule which contain specific base pair nucleotide that are recognized by restriction enzymes.

according to Charles Darwin what biological mechanism

Answers

Thats not math my man 
Final answer:

According to Charles Darwin, the biological mechanism that drives evolutionary change is natural selection. This is a process by which individuals with favorable traits are more likely to survive and reproduce, leading to the accumulation of beneficial traits over time.

Explanation:

According to Charles Darwin, the biological mechanism that drives evolutionary change is natural selection. Natural selection is the process by which individuals with favorable traits that allow them to better survive and reproduce are more likely to pass on those traits to future generations. This leads to the gradual accumulation of beneficial traits in a population over time, resulting in evolutionary change.

What happens to any matter that is not used by consumers in a food chain

Answers

Matter that is not used by consumers in the food chain become "detritus". Which is simply just waste. It is left to decompose. 

Answer:

Material not consumed by consumers in the food chain generates the debris chain.

Explanation:

Debris chain, where the basis is non-living organic matter not consumed by consumers, is due to the decomposition of vegetable and animal bodies and their droppings. This matter is processed by decomposing microorganisms (fungi and bacteria), which release it in the form of plant nutrients, or in the form of debris that will be consumed by detritivorous organisms, in turn consumed by carnivores.

Diffusion always causes particles to move from a region of

Answers

Diffusion always causes particles to move from a region of high water concentration to a region of low water concentration.
Final answer:

Diffusion is the process in which particles move from an area of high concentration to an area of low concentration until a uniform concentration, known as dynamic equilibrium, is reached.

Explanation:

Diffusion is the process through which particles in a gas, liquid, or solid spread out, or diffuse, from regions of high concentration to regions of lower concentration. This mechanism is driven by the kinetic energy from the thermal motion of particles resulting in the spreading until a dynamic equilibrium is reached. Therefore, diffusion causes particles to move from a region of higher concentration to a region of lower concentration.

This process continues until the concentration becomes equal throughout the medium, a condition known as dynamic equilibrium. At equilibrium, the particles continue to move, but there is no net transfer of molecules because the rates of movement between the regions are equal.

Several factors affect the rate of diffusion, including the mass of the molecules, the environment, and the amount of thermal energy they possess, which is a function of temperature. Ultimately, however, diffusion is driven by the principle of concentration gradient, which ensures that molecules constantly move from high-concentration areas to lower ones.

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"the number of women who died of breast cancer divided by the number of all women with breast cancer in the same year is a measure of the"

Answers

Answer:  "case fatality rate" .
____________________________________________

Some bacteria live in deep sea vents where no light penetrates, yet are still capable of producing their own reduced carbon (e.g. fixing carbon dioxide). these organisms are classified as

Answers

Answer:  "chemoautotrophs" .
_________________________________________

Investigate what newborn babies, skunk cabbage, hibernating bears, and a banned diet drug called dnp all have in common with regards to cellular respiration.

Answers

Final answer:

Newborn babies, skunk cabbage, hibernating bears, and DNP all reveal unique interactions with cellular respiration, relating to temperature regulation or metabolic rate variance.

Explanation:

Newborn babies, skunk cabbage, hibernating bears, and a banned diet drug called DNP all showcase unique aspects of cellular respiration. Cellular respiration is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.

Bears during hibernation slow down their metabolism and lower both heart rate and body temperature, thereby conserving energy. Newborn babies, especially preterm ones, might experience a condition known as non-shivering thermogenesis where they produce heat through metabolic processes due to their inability to shiver efficiently. Skunk cabbage can generate heat to help spread its scent and melt surrounding snow, a process known as thermogenesis. Lastly, the drug DNP interferes with the proton gradient in mitochondria, leading to an increase in metabolic rate and production of heat, which is why it was used as a weight loss aid before being banned due to toxicity. All these examples reflect on the diverse roles and behaviors of organisms or substances related to cellular respiration.

Imagine that you are a hungry cell and find a large supply of citrate (citric acid). how many atps can you get from each citrate molecule if you use both the citric acid cycle and the electron transport chain?

Answers

Final answer:

Each citrate molecule can generate 6 ATPs through the citric acid cycle and the electron transport chain.

Explanation:

The citric acid cycle and the electron transport chain work together to produce ATP from citrate molecules. Each citrate molecule can produce one ATP in the citric acid cycle. In addition, the citric acid cycle generates three NADH and one FADH₂ per citrate molecule. These NADH and FADH₂ molecules enter the electron transport chain, where each NADH can produce as many as three ATP, and each FADH₂ can produce as many as two ATP. Therefore, the total number of ATP molecules that can be generated from each citrate molecule using both the citric acid cycle and the electron transport chain is:

1 ATP (from the citric acid cycle) + 3 ATP (from NADH) + 2 ATP (from FADH₂) = 6 ATP per citrate molecule

Which physical property do plasmas and gases have in common?
A. They both have charged particles
B. They have the same attractive forces between particles
C. They have the same space between particles
D. They create magnetic and electric fields

Answers

The correct option is C. 
Plasma refers to a gas that has been heated to the point of ionization, that is, almost all the electrons in the atoms of the gas have been removed and only proton exist as positively charged particles. 
Plasma has properties that differs from that of gases but the space between the particles of plasma and that of gases are the same.

Answer:

c

Explanation:

i got it right

Which of these minerals could be found in granite? Select all that apply.
A. mica
B. quartz
C. olivine
D. feldspar
E. hornblende

Answers

Granite is almost entirely feldspar and quartz and you can also find a little bit of mica.

The answers would be

A.Mica

B.Quartz

D.Feldspar

Ureterectasis is the __________ of a ureter.

Answers

The answer is dilation or expansion. It is because ureterectasis is a process of which the ureter of an individual is being stretch out that is why it is being referred to as dilation or an expansion of the area.

The part of the cell that regulates what can enter or leave is the

Answers

Yes, the cell membrane regulates what enters the cell and leaves the cell. The cell membrane is a fluid mosaic consisting of a phospholipid bilayer and integral and peripheral proteins. The proteins of the membrane serve many purposes: transport, receptors, etc. The cell membrane is amphipathic, meaning is has hydrophilic and hydrophobic regions.

How does the temperature affect enzyme function? use evidence from your data to support your answer?

Answers

If the temperature is too high, it can alter the structure of the enzyme and make it unable to bind to the substrate. But, if the temperature is too low the chance for the enzyme to collide with the substrate will be lower too. The enzyme works best in the highest temperature before its structure changed.
The data from the experiment should look like a bell. There is an optimal temperature for the enzyme and increasing/decreasing from that temperature will result in reduced reaction speed.
An increase in temperature will increase the reaction rate of enzymes. For instance, a 10 degree celsius rise in temperature will increase the activity of most enzymes by 50% to 100%. But too high temperature negatively affect enzymes and their functioning.

A pressure (decubitus) ulcer that has a skin break through all layers of the skin is classified as stage _____.​

Answers

This is classified at being stage III. In stage III, the decubitus ulcer begins to show a breaking in the skin, throughout all layers. This is the most dangerous stage, and needs to be treated almost immediately. This will help to prevent any further damage that could be caused.

An allele is one of the alternative forms of a gene that governs a trait. If a fern plant is heterozygous for a particular trait, how can the alleles that control that trait be described? A. one dominant, one recessive B. two dominant C. three recessive, one dominant D. two recessive

Answers

"Hetero" means different. So the plant has two different alleles; one dominant and one recessive as in (A).

Answer:

The correct answer is A. one dominant, one recessive

Explanation:

A gene can have many alternative forms called alleles. These alleles can be present in homozygous condition or heterozygous condition. In homozygous condition chromosome contains two same forms of an allele of a gene. In heterozygous condition a chromosome contains two different forms of an allele of a gene.  

These alleles can be dominant or recessive. A dominant allele can be expressed in both homozygous and heterozygous condition, but a recessive allele will only express in homozygous condition.

So If a fern plant is heterozygous for a particular trait then it contains one dominant and one recessive allele because in heterozygous condition two different forms of allele is present. Therefore the right answer is A.

Suppose that in goats, an independently sorting autosomal allele that produces a bearded phenotype is dominant in males and recessive in females. the symbol bb represents the bearded allele and b represents the beardless allele. the autosomal allele for a black coat (w), which also independently assorts, is dominant over the allele for white coat (w). match each set of progeny phenotypes and proportions to the parental cross that produced that set.

Answers

B+ Bb Ww male × B+ Bb Ww female Because beardedness and coat color independently assort, we can treat them independently. The difference between this cross and a dihybrid cross is that the bearded allele B b is dominant in males and recessive in females. So we deal with male and female progeny separately. For each sex, then, we should get a typical dihybrid ratio. In males, the dominant phenotype is bearded, so we should get ¾ bearded, ¼ beardless. In females the dominant phenotype is beardless, so we should get ¾ beardless and ¼ bearded. Each sex will have ¾ black and ¼ white coats.
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