what happens if we mix vitamin c and d together

The mass of CO₂ gas produced during the combustion of one gallon of octane is 8.21 kg.

The given parameters:

The mass of the octane burnt is calculated as follows;

[tex]m = \rho V\\\\m = 0.703 \ \frac{g}{ml} \times 3.79 \ L \ \frac{1000 \ ml}{L} \\\\m = 2,664.37 \ g[/tex]

The combustion reaction of octane is given as;

[tex]2C_8H_{18} + \ 25O_2 \ --> \ 16CO_2 \ + \ 18H_2O[/tex]

From the reaction above:

228.46 g of octane -------------------> 704 g of  CO₂ gas

2,664.37 of octane --------------------> ? of CO₂ gas

[tex]= \frac{2,664.37 \times 704}{228.46} \\\\= 8,210.3 \ g\\\\= 8.21 \ kg[/tex]

Thus, the mass of CO₂ gas produced during the combustion of one gallon of octane is 8.21 kg.

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Answer:

3 significant figure

Explanation:

Trailing zeros in a number are significant ONLY is the number contains a decimal point.

So if it was 100cm with out the decimal point would only have 1 significant figure.

Answer:

1 s-orbital, 3 p-orbital and 5 d-orbital

Answer:

there are a total of nine orbitals in a third energy level

Explanation:

We can call a person by the word gentleman and Sir or from his/her real name.

If there is a name/surname you can't make out due to a speaker's manner of speech then I will call him gentleman or Sir or I will ask him his real name. Gentleman is a word that is used for noble person and Sir word is also used in order to give someone respect.

Call a person with his real name is also comes under the manner of speech so we can conclude that we can call a person by the word gentleman and Sir or from his/her real name.

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Answer:

25%

Explanation:

Ammonium Chloride NH4CI Fertilizer-grade NH4Cl usually contains 25% N. About two-thirds of the world capacity for manufacture of this material is located in Japan, with the remaining one-third situated in India and China.

Answer:

C

Explanation:

Ether group does not exist in amino acids

Ammonium group is on one side

the carboxylate group is opposite to the ammonium group

the R group defines what amino acid it is.

Answer:Demagnetizing a magnet is also possible. Only a few substances are ferromagnetic; the most common ones are iron, cobalt and nickel and their alloys. The rare-earth metals neodymium and samarium are less common examples.

Explanation;

Answer:

C2Br6

because bromine is a liquid volatile

According to the forces of attraction and boiling point C₂Br₆ is most volatile as its boiling point is very low.

Forces of attraction  is a force by which atoms in a molecule  combine. it is basically an attractive force in nature.  It can act between an ion  and an atom as well.It varies for different  states  of matter that is solids, liquids and gases.

The forces of attraction are maximum in solids as  the molecules present in solid are tightly held while it is minimum in gases  as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.

The physical properties such as melting point, boiling point, density  are all dependent on forces of attraction which exists in the substances.

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Answer: The growth of the plant decides on the presence of plant hormone, auxin which develops in the roots and shoots. Auxins change the rate of elongation in plant cells, controlling how long they become. So, if the tips are removed, there is no auxin made and growth of the plant stops.

Answer:

A- Butyric acid and methylammonium chloride.

Explanation:

The substances created during chemical reactions, on the other hand, do not simply revert to their initial state. The most essential thing to remember is that the makeup of a material does not change when it undergoes a physical change, but it does change when it undergoes a chemical change.

Answer:

the most important thing for you to remember is that in a physical change composition of a substance does not change and in a chemical change the composition of a substance does change

Answer:

My lovely people the answer is SOLAR

Explanation:

i just know

The type of energy that uses the photoelectric effect is solar energy. Therefore, the correct option is option B.

When light strikes a material surface, the photoelectric effect takes place, which results in the emission of electrons. Albert Einstein made this intriguing discovery in 1905, and it was essential in the development of quantum physics and our comprehension of the nature of light. The fundamental principle underlying the photoelectric effect is that light is made up of small energy packets known as photons. A photon's energy can be transferred to an electron in a solid or atom when it interacts with those structures. The type of energy that uses the photoelectric effect is solar energy.

Therefore, the correct option is option B.

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Answer:

5)A &D 6)B

Explanation:

Mass of Fe is 55.845 u

Mass of Cl is 35.453 u

And their sum is 91.298 u

Answer:

Volume = 35.3L

Explanation:

Use Ideal Gas Law (PV=nRT) and isolate for V (volume) by dividing both sides by P (pressure). You will then get the eqaution listed below and you can solve by using the method I used below.

V = nRT/P

V = (0.75kPa)(8.314)(298K)/(52.7kPa)

V = 1858.179/52.7

V = 35.3L

Answer:

tiny crystals of the mineral quartz, which is made out of silica and oxygen

Well, much of the world's sand is made out of the same stuff, tiny crystals of the mineral quartz, which is made out of silica and oxygen, the two most common elements in Earth's crust.

Answer:

Milk is essentially a colloidal dispersion of fat in water. ... However, the fact remains that the fat and water components cannot be mixed together from a solution. There are therefore, two distinct immiscible liquid phase's present, which is why it is a heterogeneous mixture.

The example which accurately describes a solution is; Polar sugar molecules dissolve in water, which is polar.

According to the question:

The formation of a solution requires that the solvent and solute be of the same polarity.

In essence, the example which accurately describes a solution is; Polar sugar molecules dissolve in water, which is polar.

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Answer:

Polar sugar molecules dissolve in water, which is polar.

Explanation:

I did the Exam and got it right!

Answer:

f the vapor pressure of water at 20.0 o C is 17.535 torr, and the atmospheric pressure measured by a barometer was 757.3 torr, what is the partial pressure of H2 in the gas mixture

Partial pressure of H2 in gas mixture is :

739.765 torr .

Total  pressure of mixture =

Partial of hydrogen + Partial pressure of oxygen

Partial of Hydrogen = Total pressure - partial   pressure  of  oxygen

Here total pressure = 757.3 torr

Partial pressure of oxygen = 17 . 535 torr

Total pressure = 757 . 3 - 17 . 533

                        = 739.765 torr.

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Answer:

8,346 kmxm/s2

Explanation:

this is physics not chem but you just multiply 13 by 642 to get 8,346. also I'm sorry but it's easy

Answer:

Determine the frequency of light with a wavelength of 2.775⋅10−7 cm. Answer in units of Hz?❤

pls mark as brainlist

Explanation:

Crude is classified, based on density, as light, medium, heavy, or extra heavy. It can also be classified, based on sulfur content, into a sour and sweet category.

Answer:

The speed of light, c, equals the wavelength, λ (pronounced lambda), times the frequency, ν, (pronounced noo).

c=λν

c is a constant. It is usually given as 3.00×108 m/s or 3.00×1010 cm/s rounded to three significant figures.❤

Answer:

Periodicity is caused by regular and predictable variations in element atomic structure. ... The rows in the periodic table (the periods) reflect the filling of electrons shells around the nucleus, so when a new row begins, the elements stack on top of each other with similar please help me rank up

Periodicity means the repeating trends in properties of elements in a regular interval.  Precocity in chemical properties depends on the atomic structure because, the size, number of electrons, etc affects their reactivity.

Periodicity is the repetition in in trends in properties after a regular interval. In periodic table, all the elements are classified into different groups and periods.

Groups are vertical columns containing elements of same number of valence electrons and similar chemical and physical properties. Periods are horizontal rows where elements are arranges in the increasing order of atomic number.

Along a period the atomic size decreases, ionization energy and electronegativity increases. But down a group just the reverse for this happens.

In a chemical reaction only valence electrons are participating and the size and number of valence electrons etc affects the chemical reactivity of elements. That's why it is said like periodicity in chemical properties is based on the atomic structure.

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The molarity of the NaOH solution required for the reaction is 0.186 M

We'll begin by writing the balanced equation for the reaction

H₂C₂O₄ +2NaOH —> Na₂C₂O₄ + 2H₂O

From the balanced equation above,

The mole ratio of the acid, H₂C₂O₄ (nA) = 1

The mole ratio of the base, NaOH (nB) = 2

From the question given above, the following data were obtained:

Volume of the acid, H₂C₂O₄ (Va) = 22.14 mL

Molarity of the acid, H₂C₂O₄ (Ma) = 0.105 M

Volume of the base, NaOH (Vb) = 25 mL

MaVa / MbVb = nA/nB

(0.105 × 22.14) / (Mb × 25) = 1/2

2.3247 / (Mb × 25) = 1/2

Cross multiply

Mb × 25 = 2.3247 × 2

Mb × 25 = 4.6494

Divide both side by 25

Mb = 4.6494 / 25

Therefore, the molarity of the base, NaOH solution is 0.186 M

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Answer:

B

Explanation:

We can see here that the functional group that the molecule have is: B. Carbonyl

A functional group is a specific group of atoms or bonds within a molecule that is responsible for the characteristic chemical reactions and properties of that molecule. Functional groups are the parts of organic molecules that determine their reactivity and the types of chemical reactions they can undergo.

In organic chemistry, functional groups play a crucial role in understanding the structure and behavior of molecules. Different functional groups confer distinct properties to molecules, influencing their physical properties, solubility, acidity or basicity, and interactions with other molecules.

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Answer:

Cis-2-pentene or Z-2-pentene

Answer: In atoms, there are a total of four quantum numbers: the principal quantum number (n), the orbital angular momentum quantum number (l), the magnetic quantum number (ml), and the electron spin quantum number (ms).

Answer:

(n)

(i)

(mı)

(ms) s is suppose to be smaller than the m

Explanation:

the principal quantum number (n)

the orbital angular momentum quantum number (I)

the magnetic quantum number (ml)

the electronic spin quantum number (ms)

Answer:

2

Explanation:

depends on how small but you wouldn't be able to see with good glasses your senses or your touch

Answer:

Tools and Technology ( Microscopes etc)

Explanation:

Glasses are not good enough to see on the molecular and cellular level.

The five senses aren't reliable and can vary between people.

Touch is one of the 5 senses, and touching chemicals isn't good.