Why do some glucose molecules move out of
the blood and others move into it?

Answer:

Explanation:

All it takes is a momentary lapse in concentration. When you are in the laboratory and take a direct sniff of the chemicals you are using, you run the risk of damaging your mucous membranes or your lungs.

Answer:

D

they are used for manufacturing Of diodes

Answer:

is the answer D

Explanation:

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ﾟ+*:ꔫ:*﹤  ﹥*:ꔫ:*+ﾟAnswer:ﾟ+*:ꔫ:*﹤  ﹥*:ꔫ:*+ﾟ

The following: Jupiter, Saturn, Uranus, or Neptune.

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any of the planets Jupiter, Saturn, Uranus, and Neptune whose orbits lie beyond the asteroid belt.

Answer:

it is Saturn

Explanation:

and outer planter is just a planet outside the asteroid belt

The final pressure or the air pressure on the top of the mountain is 0.818.

Air pressure is the pressure exerted by air in the atmosphere of the earth.

By the Gas law

\(\dfrac{P_1V_1}{ T1} =\dfrac{ P_2V_2 }{T_2}\)

Given, the pressure of the valley floor is 1 atm. = P1

The temperature is 25° C = T1

The volume of the bag is 0.985 L. = V1

The temperature at the top of the mountain is ° C = T2

Now, the volume of the bag is 1. 030 L = V2

To find P2

Put the values in the formula

\(\dfrac{1 atm \times0.985 L}{ 25} =\dfrac{ P_2 \times 1. 030 L }{22}\\\\0.03832 = 0.0468 \times P_2\\\\P_2= 0.818\)

Thus, the final pressure is 0.818.

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Part 1:  Reasons young workers don't report injuries. Young workers are at an increased risk of workplace accidents and injuries due to their inexperience, lack of training, and physical and emotional immaturity. However, young workers are less likely to report accidents or injuries than older workers.

Some of the reasons for this are:

1. Fear of reprisal: Young workers fear being blamed or reprimanded for an accident or injury, which may result in termination or the loss of opportunities for advancement. They are afraid to speak up and report accidents, believing that they will be punished for their mistakes.

2. Lack of knowledge: Young workers are not always aware of their rights and responsibilities, as well as the procedures for reporting accidents and injuries in the workplace. They may not know who to report to or how to fill out an incident report.

Part 2:  Identifying the hazard in the picture attached

The hazard in the attached picture is the use of improper PPE (Personal Protective Equipment). The worker in the picture is using a grinder to cut metal without using any kind of eye protection. Sparks and metal shavings can fly into the eyes of the worker, causing eye damage or even blindness.    

The worker is also not wearing gloves, which exposes their hands to cuts, abrasions, or burns. The worker should wear appropriate PPE such as safety goggles, gloves, and a face shield while using a grinder to minimize the risk of injury or accidents.

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Answer:

1.2mol

Explanation:

Determine the g/mol of CO2

O - 16g/mol (based on my data booklet)

C - 12.01g/mol (based on my data booklet)

Then add these values up for the g/mol of CO2

16+16+12.01= 44.01g/mol

Then write out the formula

mol = mass/molar mass

n= m/M

n = 55/44.01

n= 1.24971597

and depending on what significant digits you need (based on info, ill do it to 2 terms)

n = 1.2 mol

Molar mass is defined as the mass in grams of one mole of a substance. 1.2 molecules of CO2 are there in 55 grams of CO2.

The term molar mass is defined as the mass of a chemical compound divided by its amount-of-substance measured in moles. It is represented by the symbol "M". The units of molar mass are grams per mole, abbreviated as g/mol.

The weight of one mole of a sample is defined as its molar mass. To calculate a molecule's molecular mass, multiply the subscript by the atomic mass of each element in the molecule, then add the masses of all the elements in the molecule.

Molar mass of Oxygen - 16g/mol

Molar mass of Carbon - 12.01g/mol

Then add these values up for the g/mol of CO₂

Molar mass of CO₂ = 16+16+12.01

= 44.01g/mol

Then,

The number of mole = mass / molar mass

n = m / M

n = 55 / 44.01

n = 1.24971597

n = 1.2 mole

Thus, 1.2 molecules of CO2 are there in 55 grams of CO2.

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Answer:

bronze - solid

pure water - liquid

tap water - liquid

trail mix - solid

Explanation:

There are 4 classes of matter based on the characteristics of their molecules:

The molecules in solids are tightly packed together and are more or less fixed about a point with very little of no movement. The molecules in liquids are less tightly packed and are able to take the shape of their containers. The molecules in gases are loosely packed and compressible. They can take the shape of containers as well as expand to a container due to their loosely packed molecules.

Plasma molecules neither have shape nor volume but are able to produce both magnetic and electric currents as well as respond to electromagnetic fields.

Hence bronze has all the characteristics of a solid, pure and tap water both have the characteristics of a liquid, while trail mix can be considered a solid.

Explanation:

The valence number represents the number of electrons in the outermost shell of the atom. Interestingly, in a group 1 -8 periodic tale, the number represents the valence electrons.

Thus means that group 3 electrons have a valency of 3; that is all group 3 elements have 3 electrons in their outermost shell.

Metals easily lose electrons rather than gain electrons while non metals gain electrons.

In the periodic table; groups 1, 2, 3 represents metals and from group 4 upwards we have non metals.

Going through the options now, the correct option is;

3:if the valence electron number is either 1,2 or 3 then it is a Metal and if the valence electron number is either 4,5 or 6 then it is a Non Metal

Group  7 elements ( Valency of 7) are also non metals.

The melting of ice is a spontaneous reaction at room temperature and pressure because it is accompanied by an increase of entropy.

The spontaneity of a reaction is determined by the change in Gibbs free energy (∆G), which is given by the equation:

∆G = ∆H - T∆S

where ∆H is the change in enthalpy, T is the temperature in Kelvin, and ∆S is the change in entropy. A reaction is spontaneous if ∆G is negative.

In the case of ice melting at room temperature and pressure, the process is accompanied by an increase in entropy because the solid phase (ice) has a more ordered arrangement than the liquid phase (water).

This increase in entropy (∆S) contributes a negative term to the ∆G equation, making ∆G negative and the reaction spontaneous.

Therefore, the correct option is (b) Melting is accompanied by an increase of entropy, which explains why the melting of ice is a spontaneous reaction at room temperature and pressure.

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Answer:

Sodium chloride

Explanation:

There are several salts in seawater, but the most abundant is ordinary table salt or sodium chloride (NaCl). Sodium chloride, like other salts, dissolves in water into its ions, so this is really a question about which ions are present in the greatest concentration. Sodium chloride dissociates into Na+ and Cl- ions.

Molar mass of N2 = 14×2=28g/mol

Moles of N2 =mass/molar mass

Mass of N2 = moles × molar mass

Mass of N2 = 15.7 × 28 = 439.6 kg

Answer:

Electromagnetic Wave Medium Matter:The ability to move or change an object, or what a wave

Longitudinal Wave Trough Rarefaction: The area in a longitudinal wave where the particles are close together.

Transverse Wave Energy Wavelength: The highest point of a transverse wave

Explanation:

give me brainliest

Answer:

Explanation:

false

Answer:

is number 1

Explanation:

cause i know

Answer:

b

Explanation:

Answer:

C(s)+CO₂(g)→2CO(g)

Explanation:

Basically you’re adding the compounds until they’re equal on both sides

When considering the commercial production and marketing of apples , several factors like pre-harvest factors, harvesting, precooling, packing operations, packaging, storage, transportation, marketing, and retailing.

Pre-harvest factors: These include selecting suitable varieties, managing pests and diseases, providing proper nutrition, irrigation, and maintaining orchard hygiene to ensure healthy and high-quality apple crops.

Harvesting: Harvesting apples at the right time is important to ensure optimal taste and quality. Proper techniques should be employed, such as hand-picking or using mechanical harvesters, and care should be taken to prevent damage to the fruit during harvesting.

Precooling: Apples should be rapidly cooled after harvest to remove field heat and preserve their freshness. This can be done using forced-air cooling or hydrocooling methods to bring down the temperature quickly.

Packing operations: Sorting and grading apples based on size, color, and quality is essential for uniformity and market appeal. Proper packing procedures, including gentle handling and appropriate equipment, should be followed to prevent bruising and maintain fruit quality.

Packaging: Choosing suitable packaging materials and designs that provide protection, ventilation, and visibility of the apples is crucial. Packaging should be attractive, informative, and eco-friendly to attract customers and maintain product integrity.

Storage: Apples require controlled storage conditions to extend their shelf life. Maintaining the right temperature, humidity, and ventilation in storage facilities is essential to prevent spoilage, maintain freshness, and avoid losses.

Transportation: Efficient and timely transportation of apples from the orchard to the market is critical. Proper handling, packaging, and temperature control during transportation help preserve the quality and minimize damage.

Marketing: Developing effective marketing strategies, such as branding, promotion, and pricing, is crucial to reach the target market, create demand, and differentiate the product from competitors. Understanding consumer preferences and market trends is essential for successful marketing.

Retailing: Establishing partnerships with retailers, such as grocery stores or farmers' markets, is important for distribution and sale of apples. Providing attractive displays, product information, and maintaining quality standards at the retail level helps attract customers and ensure repeat business.

By considering these factors and aspects in the production and marketing of apples, producers can enhance the overall success and profitability of their business while delivering high-quality produce to consumers.

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Answer:

This would be considered an average speed, as it's an estimate of how fast the cheetah can run over a certain distance, taking into account variations in its speed. It's not instantaneous, which would refer to the speed at a specific moment, and it's not constant, which would refer to the same speed being maintained over a period of time.

Answer:

most moths are active at night and hide in the day to avoid predators. camouflage is another way that moths defend themselves. they escape predators by flying in a zigzag motion/ loops/ tight turns/ passive dives or power dives

Explanation:

hope this helped :)

We would require 160 mL of lemon juice to make a dozen delicious perfect lemon cupcakes.

Assuming that the reaction between the lemon juice and baking soda produces all the carbon dioxide required to make the batter rise perfectly, we can use stoichiometry to calculate the volume of lemon juice required.

Baking soda is chemically sodium bicarbonate which is basic (NaHCO₃) and lemon juice constitutes citric acid (H₃C₆H₅O₇) which gives it its characteristic tangy flavor.

The balanced chemical reaction for the reaction between the base and the acid is:

3 NaHCO₃ (s) + H₃C₆H₅O₇ (aq) → 3 CO₂ (g) + 3 H₂O (l) + Na₃C₆H₅O₇ (aq)

From the equation, we can see that 3 moles of NaHCO₃  (s) produces 3 moles of CO₂ (g). Therefore, 0.02 moles of CO₂ (g) will be produced by:

0.02 moles CO₂ x (3 moles NaHCO₃ / 3 moles CO₂) = 0.02 moles NaHCO₃

A dozen is 12. so, To make a dozen cupcakes, we need 12 x 0.02 moles = 0.24 moles of NaHCO₃

Now, we can use the stoichiometry of the balanced equation to find the moles of citric acid needed:

0.24 moles NaHCO₃ x (1 mole H₃C₆H₅O₇ / 3 moles NaHCO₃) = 0.08 moles H₃C₆H₅O₇

Finally, we can use the volume and molarity of the lemon juice to find the required volume of lemon juice:

Volume of solution = moles of solute / molarity

Assuming that the lemon juice has a concentration of 0.5 M, we can calculate the required volume as:

Volume of lemon juice = 0.08 moles / 0.5 M = 0.16 L = 160 mL

Therefore, we need 160 mL of lemon juice to prepare a dozen of these cupcakes.

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The pair of atoms that have the highest degree of solid solution solubility based on the given information is (c) Copper (FCC) & Aluminum (FCC).

This is because they both have a face-centered cubic (FCC) crystal structure, which means that their atomic packing is similar and allows for solid solution formation.

Planar defects, such as surfaces and grain boundaries, have increased energy associated with them because all the bonds are not fully satisfied in the atoms at these defects.

This can lead to increased reactivity and diffusion of atoms at these defects and leads to higher energy states for the atoms involved, making the material less stable in these regions.

The energy at planar defects is also affected by temperature and vacancy concentration. Covalent bonding is not typically involved in metallic solid solutions.

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Answer:

Gas

Explanation:

If you move a substance from one container to another and its volume changes, the substance is a gas. This is because, gases do not have fixed volume and shape; their shape and volume depend on the container used.

Answer:

I think gas.

Explanation:

Because gas doesn't have fixed shape and size.

Answer:

c  Example 1 represents a liquid and Example 2 represents a solid.

Explanation:

Example 1: Young children dancing slowly around one another

The young children dancing slowly around one another can be pictured as the flow of liquid. In liquids, the molecules are held about weakly and they slide on top of each other. They are held by weak attractive forces. This is clear picture of a liquid.

Example 2: Newborn babies sitting in their given spots in a crib

This is clear example of a solid. In a solid the molecules are held about a fixed spot. The attractive forces in liquids is very great and the molecules therein do not move about randomly.

1. I think r0b a bank would be such a rush. Imagine r0b a bank, driving a souped up getaway vehicle, and then successfully escaping with loads of cash...., that would be such an adrenaline rush.

2. Nationwide animal release. Just ninja into pounds and shelters and set them all free. It'd get to the point that they'd have to get armed guards. Soon wild packs of pugs and Chihuahuas roam freely claiming their territory against man.

3. Putting glitter bombs in mailboxes. Not sending but personally taping it in there so it goes off when opened.

Wavelength (L) is calculated using: L = gT²/2π, here g=9.8 m/s2 and T is wave period in seconds.

Wavelength of a wave describes how long the wave is and the distance from the "crest" (top) of one wave to the crest of next wave is called wavelength. We can also measure from the "trough" (bottom) of one wave to trough of next wave and get the same value for the wavelength.

We measure wavelength in following ways:

Use photometer to measure the energy of wave.

Convert energy into joules (J).

Divide energy by Planck's constant, 6.626 x 10⁻³⁴, to get the frequency of  wave.

Divide speed of light, ~300,000,000 m/s, by frequency to get wavelength.

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No, the amount given to the policeman at the end of his 10-hour shift, which is 0.4 kg, is not the correct amount based on the payment rate of 1 mole per hour.

To determine if the amount is correct, we need to convert the given mass of 0.4 kg to moles using the molar mass of calcium [40 Ca].

The molar mass of calcium is approximately 40.08 g/mol. Since the atomic mass of calcium is close to 40 g/mol, we can assume that the given molar mass refers to calcium-40, denoted as [40 Ca].

To convert the mass to moles, we can use the formula:

moles = mass (in grams) / molar mass

moles = 0.4 kg * 1000 g/kg / 40.08 g/mol

moles ≈ 9.98 mol

Therefore, the amount of calcium [40 Ca] the policeman received after his 10-hour shift is approximately 9.98 moles, not 1 mole per hour as stated in the payment rate.

Thus, the amount given to him is significantly higher than the correct amount. It appears there may have been an error in the payment calculation or a misunderstanding regarding the payment rate.

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Answer:

Maria

Explanation:

Answer:

Maria loves Jarren more is the answer.

The use of CFCs (chlorofluorocarbons) in refrigerators has a harmful effect on our atmosphere, particularly on the ozone layer.

CFCs are synthetic chemicals that were commonly used in refrigerators, air conditioners, and aerosol sprays until the 1980s when their harmful effects on the environment were discovered. When CFCs are released into the atmosphere, they rise up to the stratosphere, where they interact with ozone molecules and break them apart. This process depletes the ozone layer, which is important for protecting the earth from harmful UV radiation.

The depletion of the ozone layer can result in a range of negative effects, including increased skin cancer rates, damage to crops and ecosystems, and disruptions to the marine food chain. In addition to their effects on the ozone layer, CFCs are also potent greenhouse gases that contribute to climate change.

To address these issues, the production and use of CFCs have been largely phased out through international agreements such as the Montreal Protocol. Today, alternative refrigerants that are less harmful to the environment, such as HFCs (hydrofluorocarbons), are widely used in refrigeration and air conditioning systems.

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