Which statement below BEST describes the process of cellular respiration?
Statements
A: Carbon dioxide and sugar react to give energy to cells; water and oxygen are its waste products.
B: Oxygen and sugar react to give cells; water and carbon dioxide are its waste products.
C: Oxygen and carbon dioxide react to give energy to cells; sugar and water are its waste products.
D: Water and sugar react to give energy to cells; oxygen and carbon dioxide are its waste products.

Answer:

D

Explanation:

it seems the most logical

Answer:

B

Explanation:

6.00 ml

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Structural and Organic Formula of Acetone: Acetone Formula (C3H6O) (Propanone) So, Both propanal and propanone are isomers of the substance having the chemical formula C 3 H 6 O.

A substance in science that is created through the chemical joining of two or more distinct elements Table salt (NaCl), which is derived from the elements sodium and chloride, and water (H2O), which is created from the elements hydrogen and oxygen, are two examples of compounds.

Because water molecules make up its composition, water is a compound. Atoms made of water don't exist. Hydrogen and oxygen atoms are found in a certain ratio of two hydrogen atoms to one oxygen in the structure of water molecules.

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Answer:

It can use a small amount of sunlight for photosynthesis

Explanation:

Seaweeds are a group of marine plants/algae that grow attached to rocks underwater. However, despite their depth underwater, they still perform photosynthesis, which is a process that requires energy from sunlight.

Seaweeds are able to perform photosynthesis underwater because they are efficient users of sunlight energy. Hence, they require only a small amount of sunlight that penetrates the ocean to perform photosynthesis.

The value of [A]₀ is determined by the specific experimental conditions and the initial amounts or concentrations of the reactants.

The molecular concentration of reactant A at time zero, denoted as [A]₀, refers to the initial concentration of reactant A in a chemical reaction. It represents the amount of A molecules present at the beginning of the reaction, typically when the reaction is initiated. The concentration is usually expressed in units of moles per liter (mol/L) or molarity (M).  It is an important parameter used in the calculation and analysis of reaction kinetics, such as determining reaction rates, rate constants, and studying the progress of a reaction over time. A reactant is a substance that undergoes a chemical reaction and is consumed or changed during the reaction. It is one of the starting materials or components involved in a chemical reaction.

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Answer:

because the acid properties of aspirin may be problematic.

A neutralisation response is while an acid and a base react to shape water and a salt.

Neutralisation is a response among an acid and an alkali that paperwork a salt and water. Salts are odourless and feature a salty taste, and lots of are soluble in water. Common examples consist of sodium chloride, potassium iodide, calcium carbonate and copper sulfate. The pH scale is used to degree acidity.

The susceptible acid like acetic / ethanoic acid (vinegar) can displace a robust acid (eg HCl) from its salt - in case you blend salt and vinegar you emerge as with sodium acetate and hydrochloric acid. It has to do with the volatility. A much less risky acid displaces a greater risky one from its salt.

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Answer: The valency of oxygen is 2, because it needs two atoms of hydrogen to form water.

Explanation: The nearest noble gas to magnesium is neon with electronic configuration of [2,8], to achieve this stable electronic configuration Mg can lose 2 valence electrons, hence its valency is 2 + ^+ +

Explanation:

because it needs two atoms of hydrogen to frem water.......

Chlorine gas occupies a volume of 25 mL at 300 K, 46 ml volume will it occupy at 600 K.

Initial volume V₁ = 25 mL

Final volume V₂ = ?

Initial temperature T₁ = 300 K

Final temperature T₂ = 600 K

To find out the final volume we will use the following equation.

V₁/T₁ = V₂/T₂

Rearrange it for V₂

Final volume V₂ = V₁/T₁ × T₂

Final volume V₂ = 23 ml / 300 ml × 600 K

Final volume V₂ = 0.0767

Final volume V₂ = 46 ml

46 ml volume will it occupy at 600 K.

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Answer:

Concentration gradient - The movement of osmosis is affected by the concentration gradient; the lower the concentration of the solute within a solvent, the faster osmosis will occur in that solvent. Light and dark – They are also factors of osmosis; since the brighter the light, the faster osmosis takes place.

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Answer: Concentration gradient - The movement of osmosis is affected by the concentration gradient; the lower the concentration of the solute within a solvent, the faster osmosis will occur in that solvent. Light and dark – They are also factors of osmosis; since the brighter the light, the faster osmosis takes place.

Explanation:

Osmosis is the passage of water from a high solute concentration area through a semi permeable membrane to a low solute concentration area to equalize the solute concentrations on both sides.

The work done is zero because the wall does not move.

When you push against a wall and it doesn't move, no work is done in the scientific sense.

In physics, work is defined as the force applied to an object multiplied by the distance over which the force is exerted.

In this scenario, although you may have expended energy and made an effort, the wall does not undergo any displacement. Since the displacement is zero, the work done on the wall is also zero.

Work requires both force and displacement in the direction of the force, and since the wall remains stationary, no work is accomplished.

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Answer: Photoelectric effect

Explanation:

The pressure calculated as the difference between the net hydrostatic pressure and the net colloid osmotic pressure is known as: filtration pressure.

Pressure can be defined as a measure of the force exerted per unit area of an object or body. Thus, it is usually measured in Newton per meter square.

In Science, there are different types of pressure and these include the following:

Filtration pressure is a pressure that is typically calculated as the difference between the net hydrostatic pressure and the net colloid osmotic pressure. Also, it promotes the filtration of fluid through a membrane.

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The most common acid added to food is citric acid. It is found naturally in citrus fruits such as lemons, limes, and oranges, and is used in many processed foods and beverages to enhance their flavor and provide a sour taste.

Citric acid is also commonly used as a preservative and to balance the pH of certain foods. While malic acid, tartaric acid, and propionic acid are also used in food production, citric acid is the most widely used due to its availability, versatility, and safety.
The most common acid added to food is citric acid (a). Citric acid is a weak organic acid that is naturally present in citrus fruits, such as oranges and lemons. It is often used as a flavor enhancer, and preservative, and to add a tangy taste to various food products. Some common applications of citric acid include soft drinks, fruit juices, candies, and various processed foods. Its popularity as an additive is due to its effectiveness, affordability, and its ability to blend well with other flavors.

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Answer:

Having too much carbon dioxide in the body can cause nonspecific symptoms like headache, fatigue, and muscle twitches. Often, it clears up quickly on its own. With severe hypercapnia, though, the body can't restore CO2 balance and the symptoms are more serious

Explanation:

Answer:

Atoms react in whole number ratios of individual atoms.

Explanation:

The mass, in grams, of the chlorine gas will be 0.84 grams

At standard temperature and pressure, 22.4 L of gas has 1 mole of the gas in it.

This time, what we have is 265 mL of the gas at STP. 265 ml is equivalent to: 265/1000 = 0.265 L

If.

22.4 L = 1 mole

Then,

0.265 L = 0.265 x 1/22.4 = 0.01183 moles

This means that 0.01183 moles of chlorine is present in the gas at STP.

Mass of 0.01183 moles of chlorine = moles x molar mass.

The molar mass of chlorine gas is 71

Mass of the chlorine gas = 0.01183 x 71 = 0.84 grams

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The flask will have the greatest number of collisions per second with the walls of the container is Flask A: CO at 760 torr and 0 °C.

The Collision of the molecules with the wall of the container will be  depend on the pressure. Therefore, the flask with the highest pressure have the greatest no of the collisions. As flask A has the highest pressure of 760 torr, Therefore, the flask A has the greatest number of the collusions per second with the walls of the container.

Thus the flask A with CO gas will have the greatest number of collisions per second with the walls of the container.

This question is incomplete, the complete question is :

Consider three identical flasks filled with different gases.

Flask A: CO at 760 torr and 0 °C

Flask B: N₂ at 250 torr and 0 °C

Flask C: H₂ at 100 torr and 0 °C

which flask will have the greatest number of collisions per second with the walls of the container?

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The moles of water vapor in the mixture are 0.00165 mol.

To find the moles of water vapor in the mixture, we need to consider the total pressure of the gases and the vapor pressure of water.

The total pressure of the gases (P_total) is given as 749.0 mmHg, and the vapor pressure of water (P_water) is given as 21.5 mmHg.

The pressure exerted by the water vapor in the mixture (P_vapor) can be calculated by subtracting the vapor pressure from the total pressure:

P_vapor = P_total - P_water

= 749.0 mmHg - 21.5 mmHg

= 727.5 mmHg

Now, we can use the ideal gas law to calculate the moles of water vapor (n_vapor). The ideal gas law equation is:

PV = nRT

Where:

P is the pressure (in atm or mmHg),

V is the volume (in liters),

n is the number of moles,

R is the ideal gas constant (0.0821 L·atm/(mol·K)),

T is the temperature (in Kelvin).

Since we are given the pressure (P_vapor), volume is not specified, and temperature is assumed to be constant, we can simplify the equation to:

n_vapor = P_vapor / (RT)

To use this equation, we need to convert the pressure from mmHg to atm and the temperature to Kelvin. Assuming the temperature is known and constant, let's use 298 K.

Converting pressure to atm:

P_vapor = 727.5 mmHg * (1 atm / 760 mmHg)

= 0.957 atm

Now we can calculate the moles of water vapor:

n_vapor = 0.957 atm / (0.0821 L·atm/(mol·K) * 298 K)

≈ 0.00165 mol

Therefore, the moles of water vapor in the mixture are approximately 0.00165 mol.

The moles of water vapor in the mixture are approximately 0.00165 mol.

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0.00170mol of H_(2) was collected over water. If the total pressure of the gases was 749.0mmHg and the vapor pressure was 21.5mmHg, find the moles of water vapor in the mixture.

Left- and right-handed mirror image molecules are known as stereoisomers. Stereoisomers have the same molecular formula and the same connectivity of atoms, but the arrangement of the atoms in space is different. Stereoisomers are formed due to the presence of a chiral center in the molecule

A molecule is said to be chiral if it has a non-superimposable mirror image. Chiral molecules cannot be superimposed on their mirror image. This means that the left- and right-handed mirror images of a chiral molecule are not identical and are not superimposable on each other. Chiral molecules are very important in the field of biology and pharmacology because they interact differently with other chiral molecules in biological systems and can have different biological activities or therapeutic effects.Most biological molecules, such as amino acids, sugars, and DNA, are chiral. Amino acids and sugars are chiral because of the presence of an asymmetric carbon atom in their structures. DNA is chiral because of the helical structure of its double-stranded form. The handedness of chiral molecules can have significant implications for their biological activity, as the interaction between two chiral molecules can depend on their relative handedness.The study of stereoisomers is important in the field of organic chemistry and biochemistry. Understanding the stereochemistry of molecules is essential for understanding their properties and behavior. Stereoisomers can have different physical properties, such as melting point and solubility, and different biological activities, such as receptor binding and enzyme catalysis.

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Answer:

the answer is going to be D

Explanation:

the make new product but do not change

In order to find the answer we need to set the equation up first, so the reaction for photosynthesis is:

6 CO2 + 6 H2O + energy -> C6H12O6 + 6 O2

Now by checking the molar ratio between water and glucose we see that for every 6 moles of H2O we will end up having 1 mol of C6H12O6, so we have a 6:1 molar ratio, now in order to produce 0.500 we will find out by doing the following calculation:

6 H2O = 1 C6H12O6

x H2O = 0.500 C6H12O6

x = 3.00 moles of H2O are needed to produce 0.500 moles of glucose

Answer:

During cellular respiration, a glucose molecule is broken down into carbon dioxide and/or water.

Answer:

respiration is a process of gaining. energy and it use a row material like oxygen and glucose and the products will be ATP(energy), ethanol, CO2 the cellular part which is responsible for this is mitochondria, please this process is involved by yeast

A) The differential equation is dy/dt = (3/50) * 5 - (y/50) * 5.

B) Equilibrium point: y = 30g. It represents the steady-state chlorine concentration where the inflow rate matches the outflow rate.

C) The chlorine amount will approach and stabilize at 30g. No net change occurs as the inflow matches the outflow.

In part A, we are given the information about the rate at which clean water with chlorine is flowing into the drum and being pumped out to maintain the liquid level. The differential equation dy/dt = (3/50) * 5 - (y/50) * 5 models the rate at which chlorine accumulates in the drum over time. The first term represents the inflow rate of chlorine, and the second term represents the outflow rate. By subtracting the outflow rate from the inflow rate, we get the net rate of accumulation of chlorine in the drum.

In part B, we find the equilibrium point(s) by setting the rate of accumulation (dy/dt) to zero and solving for y. The equation (3/50) * 5 - (y/50) * 5 = 0 simplifies to 3 - y/10 = 0, and solving this equation gives y = 30. This means that when the concentration of chlorine in the drum reaches 30 grams, the inflow rate of chlorine matches the outflow rate, resulting in a steady-state concentration.

The practical meaning of this equilibrium value is that the drum will maintain a constant chlorine concentration of 30 grams in the long run, as long as the inflow and outflow rates remain unchanged.

In part C, using the concept of a phase line, we can expect that the amount of chlorine in the tank will approach and stabilize at the equilibrium value of 30 grams in the long run. Since the inflow rate of chlorine is balanced by the outflow rate, there will be no net change in the concentration over time. The system will reach a stable state where the chlorine concentration remains constant. Thus, the chlorine amount will remain at 30 grams indefinitely.

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When more moles of gas are introduced into a rigid container the deviation from ideal behavior decreases.

According to ideal gas equation,

pV=nRT

n = number of moles of gas

P = pressure of the gas

V = volume of the gas

R = gas constant

T = temperature

Then,  

pV/nRT = 1

Therefore, compressibility factor is,

Z = pV/nRT = 1

For an ideal gas Z = 1 and for real gas, Z may be either greater than one or less than one.

From the equation of deviation from ideal gas behavior it is clear that,

n ∝ 1 / Z

Hence, When more moles of gas are introduced into a rigid container the deviation from ideal behavior decreases.

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Provider Information is not required (for secondary containers used in the workplace) on a hazardous material label.

The following components need to be on a label to be GHS compliant:

Identification of the product

warning or danger as a signal word

Risk pictograms

Advisory statements

Statements of caution

Provider Information (not required for secondary containers used in the workplace)

If the primary container fails, secondary containment acts as a backup barrier to prevent leaking into an exposed area. It is necessary to store all containers of hazardous waste and liquid hazardous materials in an appropriate secondary containment system. Systems for secondary containment may include

What information must be on labels for chemicals used at work?

The warning or signal phrase "Danger," "Warning" pictograms, "Hazmat" or "Precautionary" remarks, and "Product" and "Supplier" identification signs (supplier identification is not required for secondary containers used in the workplace)

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Answer:

The correct option is;

C. The volume and mass do not change

Explanation:

We note that a piece of paper usually does not compress when load is applied on it.

Therefore, when a piece of paper is crumbled, the volume does not change as the paper only becomes folded thereby, reducing its surface area with a corresponding increase in thickness

The mass of the paper does not change as in the process of the paper being crumbled, the matter and therefore, the mass remains constant.

1) First write a balanced chemical equation

\(2\ C_{2} H_{2}_{(g)}\)  +  \(5\ O_{2}_{(g)}\)  --->  \(4\ CO_{2}_{(g)}\)  +  \(2\ H_{2}O_{(g)}\)

2) Use dimensional analysis to find your answer.

= 30000g \(C_{2} H_{2}\)  ×  \(\frac{1\ mol\ C_{2}H_{2}}{26.04g\ C_{2}H_{2}}\)  ×  \(\frac{2\ mol\ H_{2}O}{2\ mol\ C_{2}H_{2}}\)  ×  \(\frac{18.02g\ H_{2}O}{1\ mol\ H_{2}O}\)

= 20760.36866

= 20760g H₂O

The color change of the equilibrium system of cobalt complexes can provide valuable information about changes made to the system at equilibrium. In this case, the Co(H₂0)₆²⁺ (aq) complex is pink and the CoCl₂⁻ (aq) complex is light blue.

If the solution changes from pink to light blue, it means that the concentration of CoCl₂⁻ (aq) complex has increased and the concentration of Co(H₂0)₆²⁺ (aq) complex has decreased. This could be due to the addition of more chloride ions or the removal of water molecules from the system. As a result, the equilibrium shifts towards the side of the equation with fewer chloride ions and more water molecules.

On the other hand, if the solution changes from light blue to pink, it means that the concentration of Co(H₂0)₆²⁺ (aq) complex has increased and the concentration of CoCl₂⁻ (aq) complex has decreased. This could be due to the addition of more water molecules or the removal of chloride ions from the system. As a result, the equilibrium shifts towards the side of the equation with fewer water molecules and more chloride ions.

If the solution stays light blue after adding a chemical, it means that the added chemical has no effect on the equilibrium system. This could be because the added chemical does not react with any of the species in the equilibrium system or because its effect is negligible compared to the existing concentrations of the species.

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The most effective way to remove lead ions from water is through precipitation with a suitable precipitating agent, followed by filtration and proper disposal of the resulting precipitate.

Lead ions can be made into insoluble salts and filtered from water through a process called precipitation. This process involves adding a precipitating agent, such as sodium sulfide or hydrogen sulfide, to the water containing the lead ions. The precipitating agent reacts with the lead ions, forming an insoluble salt that can then be filtered out of the water.

To ensure the most efficient removal of lead ions, the pH of the water must be adjusted to a specific level that promotes the formation of the insoluble salt. The ideal pH for the precipitation of lead ions depends on the specific precipitating agent being used.

It is important to note that the resulting precipitate must be properly disposed of to prevent further contamination of the environment. The filtered water must also be tested to ensure that lead levels have been adequately reduced to safe levels.

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