If the recommended daily allowance (RDA) for vitamin C is 60 mg per day and there are 70 mg of vitamin C per 100 g of orange, how many 3 oz. oranges would you have to eat each week to meet this requirement?

Please help, I'm terrible with Dimensional Analysis!!

The density of lead is 11.4 g/cm³. The mass of a lead ball with a radius of 0.50mm is  5.9714226 x 10⁻² g.

The density of a substance is defined as the mass of substance per unit of its volume. Density is represented by the symbol, ρ.

The formula for density is -

 Density (ρ) = mass (m)                    

                       volume (v)

Given :

Density of lead = 11.4 g/cm³

Radius of lead ball = 0.50 mm = 0.05 cm

Since,

         Vsphere = 4/3 π r³

                     v = 4 × 3.14 × (0.05)³

                           3

                     v = 4.18 x (1.25 x 10⁻³)

                     v = 5.225 x 10⁻³  

Since,

           Density =  mass  

                            volume

       11.4 g/cm³ =    mass  

                            5.225 x 10⁻³

              mass = 11.4 x (5.225 x 10⁻³)

              mass = 5.9565 x 10⁻² or 0.05955 g

So,  the mass of a lead ball with a radius of 0.50mm is  5.9565 x 10⁻² g

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The web's connectivity advantage allows for data and resource sharing that enables communication with a website.

In our daily lives, communication helps us build relationships by allowing us to share experiences and needs and connect with others. It is the essence of life that allows us to share We all need to communicate.

In our daily lives, communication helps us build relationships by allowing us to share experiences and needs and connect with others. It is the essence of life that can be shared. We all need to communicate. Effective communication results in a sense of satisfaction and accomplishment for all involved. Clearly communicating your message leaves no room for misunderstandings or message changes, and reduces the chance of conflicts.

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Cocoa butter occupies the greatest volume.

What is cocoa butter good for?

Vitamin E has several health advantages for the body, and cocoa butter is a good source of this vitamin. The health of your blood, brain, skin, and reproductive system are all supported by vitamin E. Due to its high fatty acid content, cocoa butter is an excellent choice as the main component of skin creams.

Cocoa butter is 9/0 it's close to ICL but cocoa butter is the smallest end this one will take off the most volume because it is divided by the smaller density.It is important not to overheat the Baker when drying the sodium chloride because by these comments won't be loss and Baker was properly heat.

Complete question -

If you had equal masses of each of the following substances, which would occupy the greatest volume?a. ice (d = 0.917 g/mL)d. cocoa butter (d = 0.910 g/mL)b. water (d = 0.997 g/mL)e. aluminum (d = 2.70 g/mL)c. beeswax (d = 0.960 g/mL)

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Molecular formula of a molecule is C₂H₂.

Empirical formula gives the proportion of the elements present in a compound.

The proportion od carbon and hydrogen is 1 : 1.

n(C) : n(Cl) = 1 : 1

n(C) = n(H) = n; amount of substance of carbon and hydrogen is the same in a molecule

M(molecule) = 26 g/mol; molar mass of a molecule

M(C) = 12 g/mol; molar mass of carbon

M(H) = 1 g/mol; molar mass of hydrogen

M(molecule) = n × M(C) + n × M(H)

M(molecule) = n × 12 g/mol + n × 1 g/mol

26 g/mol = n × 13 g/mol

n = n(C) = n(H) = 2

There are 2 atoms of carbon and two atoms of hydrogen in a molecule, so molecular formula is C₂H₂.

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Hydrophilic molecules that are to be released by cells are stored in membrane-bound structures called Secretory vesicles.

The secretory vesicle is a vesicle that mediates the vesicular delivery of cargo - e.g. hormones or neurotransmitters - from an organelle to particular web websites on the molecular membrane, in which it docks and fuses to launch its content.

Secretory vesicles shape from the trans-Golgi network, and they launch their contents to the molecular outside with the aid of using exocytosis in reaction to extracellular signals. The secreted product may be both a small molecule (together with histamine) or a protein (together with a hormone or digestive enzyme).

Vesicles are small systems inside a molecule, together with fluid enclosed with the aid of using a lipid bilayer worried in delivery, buoyancy control, and enzyme storage.

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When placed in a magnetic field, a current-carrying conductor experiences a mechanical force that can cause the conductor to move.

How does the magnetic field impact current?

Current and magnetic force are directly inversely connected in a homogeneous magnetic field for a straight current-carrying wire. As a result, the force is inversely related to the size of the current. This translates to: If the current is doubled, the force on the conductor will also double.

Electric fields are created by differential voltages; the stronger the voltage, the stronger the resulting field. Magnetic fields are produced by electric current, and the stronger the current, the stronger the magnetic field. There will always be an electric field present even when there is no current flowing.

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Sc3+ ion has the same number of electrons as a noble-gas element.

For example, scandium (Sc) is an element with atomic number 21.

Electron configuration of scandium atom: ₂₁Sc 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹.

Electron configuration of scandium ion 3+: 1s² 2s² 2p⁶ 3s² 3p⁶

Scandium ion Sc³⁺ has the same number of electrons as noble gas argon (Ar).

Silver (Ag) is an element with atomic number 47.

Electron configuration of silver metal: [Kr] 4d¹⁰ 5s¹

Electron configuration of silver ion 1+: [Kr] 4d¹⁰

It does not have same configuration as noble gas.

Zinc a chemical element (the group 12 of the periodic table) with symbol Zn and atomic number 30, which means it has 30 protons and 30 electrons, because atom has neutral charge.

Electronic configuration of zinc atom: ₃₀Zn 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s².

Electronic configuration of zinc ion Zn²⁺: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰

It does not have same configuration as noble gas.

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Ramelteon is a hypnotic agent used in the treatment of insomnia. The molecular formula of this compound is C16H21NO2.

The molecular formula is the number of elements that are present in a compound. The molecular formula is calculated in terms of the empirical formula since the empirical formula is just the same or a multiple of the molecular formula.

The formula is :

              n=M/mass of the empirical formula

Where,

M is the molar mass and n is an integer.

For example, the molecular formula of Caffeine C8H10N4O2 and its empirical formula is C4H5N2O.

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Acetyl-CoA enters the citric acid cycle by reacting with oxaloacetate to form citrate.

Acids are molecules or ions that can donate protons, known as Bronsted-Lowry acids, or form covalent bonds with electron pairs, known as Lewis acids. The first category of acids is proton donors or Brønsted-Lowry acids.

There are two main types of acids: organic acids and inorganic acids. Inorganic acids are sometimes called mineral acids. As a category, organic acids are often weaker than inorganic acids. The basic difference between the two is that organic acids contain carbon whereas inorganic acids do not. Natural Acids: These acids are found in foods. For example, acetic acid, tartaric acid, and lactic acid. Mineral or Inorganic Acids: These acids are used in various laboratory processes such as hydrochloric acid, and sulfuric acid.

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In the biochemistry, Where reactants are normally dissolved in water, The strongest bond or interaction in the water is polar covalent bonds.

Water is a good solvent for polar and ionic compounds. the polarity and hydrogen bonding capability of water makes excellent solvent for polar molecules.In water ionic bonds come apart much more than covalent bonds.

The polarity  of water molecules is what makes a widely good solvent . The positive part of the water molecules attract negative part of solute and negative part of water attract positive part of solute.

Water greatly weaken the electrostatic forces and hydrogen bonding between ionic and polar molecules by competing for their attraction.

Hydrogen bonds are weaker than ionic bond and covalent bonds but stronger than dipole dipole interaction.  

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The approximate concentration of reaction product in a solution that has an absorbance of 0.7 at ph 6.0 is based on the equation A = εbc given in the passage, the concentration c is the absorbance A divided by the absorptivity ε in a 1 cm path length cell. 0.7 divided by approximately 1400 gives 500 μM.

A = εbc

0.7 = 1400 x c

7/14000 = 1/2000 = 0.0005 = 5x10^-4 = 500 μM

1 μM = 1 x10 ^-6

The concentration of a substance is the amount of solute present in a given volume of solution. Concentration is usually expressed in molarity, defined as the number of solutes in 1 L of solution. Solution concentration is a measure of the amount of solute dissolved in a given amount of solvent or solution.

Concentrated solutions are solutions that contain relatively large amounts of solutes. Dilute solutions are solutions that contain relatively small amounts of solutes. The definition of concentration means the amount of an ingredient or part relative to other ingredients or parts. An example of concentration is the amount of salt to water in a brine solution.

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Answer:soluble

Explanation: bc its less then NaOh

The tert-butyl cation is the electrophile in the friedel-crafts alkylation reaction with tert-butyl chloride.

The organochloride with formula (CH3)3CCl is tert-butyl chloride. It is a flammable, colorless liquid. It has a limited water solubility and a propensity to hydrolyze into the equivalent tert-butyl alcohol. As an industrial precursor to various organic molecules, it is created.

In order to create alcohol and alkoxide salts, tert-butyl chloride is a crucial starting material in nucleophilic substitution processes. It is employed in Friedel-Crafts processes and as an alkylating agent for the introduction of the tert-butyl group. It serves as an intermediary in the synthesis of both medicines and agrochemicals.

Originally, this Alfa Aesar product was sold under the Thermo Scientific name. The legacy brand may be mentioned in some documents and label information.

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The volume of sand plus air that the teacher order is 14.4 x 10^4 ft3.

Volume is defined as the space occupied within the boundaries of an object in three dimensional space. It is also known as capacity of the object.

The SI unit of volume is liter.

To calculate the volume of sand :

Density = mass / volume

As density is given 0.70g/ml and mass of sand is 22kg then,

Volume = mass/ density

             = 22 / 0.7g/ml = 31.43 g/ml or cm3

As sand plus air is 1.3 time much as volume of sand alone,

Then 31.43g/ml = 31.43 x 1.3 = 40.86 g/ml  or cm3

40.86 cm3 is equal to 14.4 x 10^4 ft3

Thus, the volume of sand plus air that the teacher order is 14.4 x 10^4 ft3.

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Answer:

310

Explanation:

The lewis structure for these anions are-

a fairly straightforward manner to visualize a molecule's valence shell electrons is through a Lewis structure. It gives insight into the pairing and association of the electrons surrounding every atom in the molecule.

every electron inside the Lewis dot structure can be represented via a dot, and a line connecting the dots is drawn to shape an electron bond.

simplest the valence electrons are taken under consideration whilst sketching the Lewis dot shape, ignoring the electrons that don't belong to the outermost shell.

The Lewis shape is the most effective and maximum constrained speculation; it does no longer describe how bonds are created or how electrons are disbursed most of the atoms. And that is visible as the essential constraint at the Lewis shape.

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During the synthesis of lipids,  a carboxyl group is lost from a fatty acid, and water is produced as an end product. The correct option is A.

Lipids are fatty acids that have two types of ends, a hydrophilic end, and a hydrophobic end. Lipids format the cell membrane structure and functions. They are greasy substances.

When there is a synthesis of lipids, water is produced as the end product and the carboxyl group will lose to form a molecule of fatty acid.

Thus, the correct option is A) lipids, regarding the molecule in which water is lost.

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

A) lipids

B) proteins

C) nucleic acids

D) carbohydrates

CL2 is the oxidizing agent and Ba is the reducing agent for :

                                        ba (s) cl2 (g) --> bacl2 (s)

Oxidation agents are those which oxidize another substance by taking up their electrons. The other substance gets oxidized and loses electrons. The oxidation agents themselves go through reduction.

The tendency of oxidizing agents to accept electrons is due to their high oxidation states. Halogen is an example of an oxidizing agent.

Reducing agents on the other hand reduces the other substance by giving them electrons. they themselves go through oxidation. Hydrogen is an example of a reducing agent.

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Answer:

If there are 13 protons (positive charges), how many electrons are there in a neutral atom? Expert Answer 1)) given total number of protons =13 and electron =12 . For atom to be neutral total number of protons should be equal to total number of electrons.

Explanation:

Answer:

1.

Groups - Verticle columns in the periodic table, signifies the number of valence electrons in the element.

vs.

Periods - Horizontal rows in the periodic table, signifies the number of shells in the element.

2.  Because the group number corresponds to the number of valence electrons in an atom an element in group 5 (like Phosphorus) has 5 valence electrons.

Added information: a Valence electron is an electron in the outermost shell of an atom.

The substance is a white solid at room temperature is sodium chlorides

Sodium Chloride is essential to maintain the electrolyte balance of fluids in a person's body. it is also known as salt table.

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When a protein of 50 nanometers is mixed with water, the opaque result is called a: suspension.

A suspension is a heterogeneous combination of two or extra substances. In it, the particles are suspended for the duration of the solution in bulk and can be easily viewed by means of bare eyes.

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Answer:

An atom is the smallest particle of an element and is the building block of all matter.

In the first 85.0 s of this reaction, the concentration of no dropped from 1.12 m to 0.520 m .

What is rate of a reaction?

The speed at which a chemical reaction takes place is the rate of the reaction. It is the concentration change per unit time of a reactant in a reaction.

Since the concentration of NO reduces to half its initial concentration in 85 seconds that is from 1.12m to 0.520m, it can be said that 85 seconds is the half life interval for the reaction, Hence on average, half reaction is completed in the time interval of 85 seconds.

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When heat moves through an object in an assembly that is more conductive than the materials around it, that is described as Conduction.

The substance or material from which things are made or constructed: Stone is a durable material. Raw materials or serving as raw materials for use or development: Pulp is the raw material of paper. each component. Textile fabric: dress fabric.

In our culture, the material is probably more important than we think. Materials affect transportation, housing, clothing, communications, reactions, food production, and nearly every area of ​​daily life. Useful materials have physical, chemical, or biological properties that are useful even after they have served their intended purpose or function, and when removed from solids and separated from waste, are materials suitable for the same or different purposes. Purpose.

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