The data table below shows the yield of vegetables in a school's garden for three years. The yield is the number of pounds of vegetables harvested. The same number of each type of vegetable was planted every year

Answer:

0.01125

Explanation:

:b

The chemical name for the compound CH3CH₂CH₂CH3 is butane.

Alkanes are any acyclic saturated hydrocarbon with a carbon to carbon single bond e.g. methane, ethane etc.

Alkanes have a general molecular formula of CnH2n+2. The number of carbon atoms determines the name of the alkane member.

According to this question, a chemical compound with the molecular formula; CH3CH₂CH₂CH3 is given. This compound posseses 4 carbon atoms and 10 hydrogen atoms, hence, is butane.

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B trust me please ..........

Answer:

both

Explanation:

depends on what type because there is fecal material dead tissue decomposing soooo both

The correct noble-gas notation electron configurations for aluminum and arsenic are:

Noble gases, also known as inert gases, are the elements in Group 18 of the periodic table. They are chemically inert due to their stable electron configurations, which consist of full valence shells. The roles of noble gases include:

Filling up balloons: Helium, the second lightest element, is commonly used to fill balloons due to its low density and inertness.

Lighting: Noble gases such as neon, argon, krypton, and xenon are used in lighting applications, including neon signs, fluorescent lights, and gas-discharge lamps.

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Answer:

If n = 4, then the possible values of 1 and m depend on the equation or expression being used. Without more information, it is impossible to determine what the possible values of 1 and m might be. Can you please provide more context or information about the problem you are trying to solve?

Since HCl is a polar molecule, there will be attraction between the the positive end of the dipole in one molecule and the negative end of the dipole in another molecule.

Polar molecules are those molecules in which there is a high difference in electronegativity between the bonding atoms. This results in the appearance of partial charges in the molecule. One end of the molecule has a partial negative charge and the other end of the molecule has a partial positive charge.

Since HCl is a polar molecule, there will be attraction between the positive end of one molecule and the negative end of another molecule.

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There are 0.2107 moles of KBr are dissolved in 60.2 mL of a 3.50 M solution.

The molarity of a substance is defined as the number of moles of solute present in 1 litre of a solution.

According to the given data, the molarity of the solution tells us that there are 3.50 moles of KBr in 1000mL of solution. But we only have 60.2mL of solution, so with a mathematical rule of three we can calculate the amount of moles in 60.2mL:

1000 ml - 3.50 moles

60.2 ml -x = 60.2 ml× 3.50 moles/1000 ml

x= 60.2 ml -0.2107 moles

So, there are 0.2107 moles of KBr.

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We can combine the 2000 ml of 30% alcohol with the 800 ml of distilled water to get 750 ml of 50% alcohol. To get the appropriate 50% alcohol concentration, we'll need to figure out how much of the 30% alcohol and

All living things require the colourless, flavourless, and odourless liquid known as water. It is a versatile solvent that can dissolve a wide range of compounds, which makes it an essential component of numerous chemical and biological processes. Water circulates constantly through the environment through processes including evaporation, precipitation, and transpiration and is found in oceans, rivers, lakes, and underground reservoirs. It can be used for a variety of things, such as drinking, washing, and industrial procedures. Human health depends on having access to clean water, hence efforts are being undertaken to conserve and manage this limited resource wisely

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The negative log of the hydrogen ion concentration of a solution - pH

The product of a neutralization reaction, a substance consisting of a positive ion from the base and a negative ion from the acid - salt

The reaction which occurs between acids and bases - neutralization

We know that the pH of a solution has to do with the amount of the acidity and the alkalinity of a solution. We know that the pH scale has been calibrated from 0 - 14. The range of the values from 0 -6 has been classed as as acidic. The number 7 has been shown to be a neutral solution while the numbers 8 - 14 has been shown to be a basic solution.

In a neutralization reaction, we would see the combination of an acid and a base so as to be able to produce salt and water and this kind of reaction would now produce a solution that has a neutral pH.

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The highest levels of atp are produced through the glycolysis Krebs (a) process.

By means of chemiosmosis, oxidative phosphorylation generates ATP using energy from the movement of electrons in an electron transport system. Only one proton (H+) and one electron are present in a hydrogen atom. Potential energy, or stored energy, is available to do work in electrons. A glucose molecule needs two ATP molecules to be completely phosphorylated. When glucose is phosphorylated to fructose 1,6-diphosphate in glycolysis, two molecules of ATP are used up.

A biological process called phosphorylation involves the addition of phosphate to an organic molecule. For two examples, adding phosphate to glucose will result in glucose monophosphate or adding it to adenosine diphosphate (ADP) will result in adenosine triphosphate (ATP).

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Answer:

Explanation:

In order to find the new pressure we use the formula for Boyle's law which is

\(P_1V_1 = P_2V_2\)

where

P1 is the initial pressure

P2 is the final pressure

V1 is the initial volume

V2 is the final volume

Since we are finding the new pressure

\(P_2 = \frac{P_1V_1}{V_2} \\\)

So we have

\(P_2 = \frac{760 \times 250}{150} = \frac{190000}{150} \\ = 1266.666666...\)

We have the final answer as

Hope this helps you

Answer:

○\(No. Of Moles = \frac{mass of the substance}{atomic mass of the substance} \\\)

No of moles = 93 g ÷ 138 amu

No of moles = 0.67 moles

93 grams of potassium carbonate contain 0.67 moles.

There are 0.67 moles present in 93 grams of potassium carbonate (K2CO3). Details about no of moles can be found below.

The number of moles of a substance can be calculated by dividing the mass of the substance by its molar mass.

According to this question, there are 93 grams of potassium carbonate.

Molar mass of K2CO3 = 138.205 g/mol

No of moles = 93g ÷ 138.205g/mol = 0.673mol

Therefore, there are 0.67 moles present in 93 grams of potassium carbonate (K2CO3).

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The hydrogen ion concentration is 7. If the pH of the solution is known, it is possible to compute the hydrogen ion concentration in a solution, [H+], in mol L-1.

The logarithm of the reciprocal of the hydrogen ion concentration in gram moles per liter, or pH, is a more practical way to express the hydrogen ion concentration.

PH = 1.0

We know, pH + pоH. = 14

POH = 14-PH

14 - 10

POH = 13.0

Again, PH = -log, [H+]

[H+] = PH 10 P

[[H+] = 10-1 M

[H+] = 0·1 M

This is an acid solution with pH=1 which is less than 7.

Therefore, the hydrogen ion concentration is 7.

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The question is incomplete. Your most probably complete question is given below:

The PH Of A Solution Is 1.0 What Is The POH? POH = * What Is The Hydrogen Ion Concentration?

Answer:

pls answer this link for the answer :D

Explanation:

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we would need 2625.13 grams (or 2.62513 kilograms) of NaCl.

To calculate the mass of NaCl required to produce a 26.4 mol/L solution with a 1.7 L volume, we need to use the formula that relates the mass of solute, moles of solute, and molarity:Molarity (M) = moles of solute / liters of solution Rearranging this formula, we get:moles of solute = Molarity (M) x liters of solutionWe can use this formula to find the moles of NaCl needed:moles of NaCl = 26.4 mol/L x 1.7 L = 44.88 molNow, we can use the molar mass of NaCl to convert from moles to grams. The molar mass of NaCl is 58.44 g/mol:mass of NaCl = moles of NaCl x molar mass of NaClmass of NaCl = 44.88 mol x 58.44 g/mol = 2625.13 gTo produce a 26.4 mol/L solution with a 1.7 L volume.

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1. Prothrombin

2. Fibrinogen

3. Plasminogen

4. Factor V

5. Factor VIII

6. Factor IX

7. Factor X

8. Tissue Factor

9. von Willebrand factor

10. Protein C

11. Antithrombin III

Each of these proteins plays a crucial role in the clotting process. Prothrombin is a precursor molecule that is converted into thrombin. Fibrinogen and plasminogen are involved in generating the meshwork of fibrin needed to form a clot. Factor V, Factor VIII, Factor IX, and Factor X help form the procoagulant enzymes necessary for clotting. Tissue factor acts as a receptor for Factor VII, initiating the coagulation cascade. von Willebrand factor helps inhibit clotting and promote clot formation. Protein C and Antithrombin III both help to decrease the activity of coagulation factors.

The human body makes a vast variety of different proteins, each with a specific function. Some examples of proteins made in the body include enzyme proteins, structural proteins etc.

Some types of proteins in our body are:

Enzymes: catalyze chemical reactions in the body, such as digestion and metabolism

Hormones: regulate various bodily processes, such as growth and development, metabolism, and stress responses

Antibodies: help to defend the body against infections and other foreign substances

Structural proteins: provide support and structure to various tissues and organs, such as collagen in skin and bones

Transport proteins: help to move molecules and ions across cell membranes, such as hemoglobin in red blood cells

Receptor proteins: bind to specific molecules and transmit signals to the cell, such as insulin receptors on cell membranes

Motor proteins: enable movement and transport within cells, such as myosin in muscle cells

Storage proteins: store molecules and ions in the body, such as ferritin storing iron in the liver

These are just a few examples of the many types of proteins made in the body, each with their own unique structure and function.

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Answer: 1123000 Joules of energy are required to vaporize 13.1 kg of lead at its normal boiling point

Explanation:

Latent heat of vaporization is the amount of heat required to convert 1 mole of liquid to gas at atmospheric pressure.

Amount of heat required to vaporize 1 mole of lead =  177.7 kJ

Molar mass of lead = 207.2 g

Mass of lead given = 1.31 kg = 1310 g       (1kg=1000g)

Heat required to vaporize 207.2 of lead = 177.7 kJ

Thus Heat required to vaporize 1310 g of lead =\(\frac{177.7}{207.2}\times 1310=1123kJ=1123000J\)

Thus 1123000 Joules of energy are required to vaporize 13.1 kg of lead at its normal boiling point

Answer:From this you can see that 5 moles of hydrogen gas would react with 2.5 of the available 3 moles of oxygen gas, to form 5 moles of water.

Explanation:

Answer:

A chemical change

Explanation:

A chemical change is a change that produces matter with a different composition than the original matter

Answer: Humans are increasingly influencing the climate and the earth's temperature by burning fossil fuels, cutting down forests and farming livestock.

Explanation: This adds enormous amounts of greenhouse gases to those naturally occurring in the atmosphere, increasing the greenhouse effect and global warming.

Answer:

Yes, we should invest in renewable energies that decrease the levels of carbon dioxide in the atmosphere, that is, decrease the partial pressure of carbon dioxide in the environment since it is lethal for human life, in turn I consider that the exploitation of sources Oil was widely used but I think they should have an end, since they pollute oceans, oxygen, and fuels that are not necessary for today's technology since automobiles could be a base of electric or solar energy

Explanation:

Environmental pollution is a very serious current problem, since we should stop investing in oil sources and be able to keep those profits or that economy in another way or replace them with another resource, since if this greenhouse effect is not perceived as a current serious problem, we could run the risk of suffering natural catastrophes, systematic diseases, affections in the same life.

Answer:

Nickel Nitrate

Answer:

During the early Paleozoic Era, the Earth's surface was very different from what it is today. The continents were arranged differently, forming one large supercontinent called Pangea. This landmass was surrounded by a single large ocean called Panthalassa. The climate was much warmer and wetter than it is today, with no ice caps at the poles.

The first land plants, known as bryophytes, appeared during the early Silurian Period, around 430 million years ago. These plants were small and simple, lacking roots and vascular tissue. They grew in damp environments, such as along the edges of lakes and streams. They were important in the development of soils and in the colonization of land by other organisms, such as insects and other arthropods.

If a reaction starts with 30 grams of material, the same amount of mass 30 grams of material should be present at the end, according to the Law of Conservation of Mass.

The law of conservation of mass states that no atoms are misplaced or made in a chemical reaction. as an alternative, the atoms be a part of collectively in distinctive methods to form merchandise.

The law of conservation of mass states that during a chemical reaction mass is neither created nor destroyed. for example, the carbon atom in coal turns into carbon dioxide when it's miles burned. The carbon atom changes from a stable structure to gas but its mass does not trade.

The law of conservation of mass states that depend cannot be created or destroyed in a chemical response. for example, when wooden burns, the mass of the soot, ashes, and gases equals the unique mass of the charcoal and the oxygen when it first reacted. So the mass of the product equals the mass of the reactant.

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Potential energy is often referred to as the energy of position or composition. The energy that an object has due to its tension, electric charge, or relative immobility in space is known as potential energy. Potential energy is among the two basic forms of energy.

William Rankine, a Scottish engineer and physicist, coined the phrase "potential energy" in the 19th century. Potential energy comes in a variety of forms, each linked to a particular kind of force. It is the power imparted to an object by its position in relation to other objects. Learn more about potential energy in this article, which includes a definition, several categories, and examples.

The force acting on the two objects affects the formula for potential energy. The following is the formula for gravitational force:

W = m×g×h = mgh

Where,

Potential Energy Unit

In terms of units, kinetic energy and gravitational potential energy are equivalent: kg m2 / s2.

The unit used to measure all energy is the joule, which has the same units as kg m2 / s2 (J).

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Answer:

NH3

Explanation:

The "tri" attached to the trihydride means 3. So your hydrogen is going to have 3 atoms.

Answer:

All Answers only for the elite; Nomenclature of Covalent Compounds Quiz

You're Welcome :)

Explanation:

A-hydrochloric acid

B-sulfuric acid

C-dinitrogen pentoxide

C- IBr3

A- carbon dioxide

B- Start the name with hydro-.

B- H3BO3

C-sulfur trioxide

A- NH3

B- The chemical name ends with “hydroxide.”

During photosynthesis green plants use solar energy to produce fuel hence 'Energy in the form of sunlight must be added' that is option D is the correct option.

Photosynthesis is an endothermic reaction because green plants use solar energy in the form of sunlight, along with water and carbon dioxide in the air, to produce their food in the form of glucose.

Endothermic reactions are chemical reactions where the reactants utilize heat energy from the surroundings to form products.

Since energy as sunlight is used in the photosynthesis reaction, 'Energy in the form of sunlight must be added' that is option D is the correct option.

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