how many hydrogen atoms are in one mole of caffeine

Both sugar and water are made of molecules and atoms.

A tiny or very small particle of a chemical element is known as an atom, which may or may not present independently. Molecules are defined as a groups of atoms has the bond fuse together which represents the smallest part of a compound. Two or more identical or different atoms are chemically bonded with each other.

The smallest particle of a material that has all of the physical and chemical properties of the material. Molecules are made up of only one or more than one atom. Sugar has a solid state of matter whereas water has a liquid state of matter. Sugar which is a solid has more hard particles as compared to water whereas a liquid has less compact particles.

So we can conclude that both are made of molecules and atoms.

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Answer

36 hydrogen atoms

Explanation

Given:

The chemical formula of the compound is C₆H₁₂O₆

What to find:

The number of atoms of hydrogen present in three molecules of C₆H₁₂O₆.

Solution:

Concept: The chemical formula of a compound shows the number of each atom present in its molecule.

As per the formula, there are 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms present in one molecule of C₆H₁₂O₆.

So, the atoms of hydrogen present in three molecules of C₆H₁₂O₆ will be (3 x 12) = 36 hydrogen atoms

The molarity of the solution, which contains 58.5 g of NaCl dissolved in 0.25 L of solution, is approximately 4.004 M.

To calculate the molarity of a solution, we need to determine the number of moles of solute (NaCl) and then divide it by the volume of the solution in liters.

Given:

Mass of NaCl = 58.5 g

Volume of solution = 0.25 L

Step 1: Calculate the number of moles of NaCl.

To find the number of moles, we need to divide the mass of NaCl by its molar mass. The molar mass of NaCl is the sum of the atomic masses of sodium (Na) and chlorine (Cl).

Molar mass of NaCl = 22.99 g/mol (Na) + 35.45 g/mol (Cl) = 58.44 g/mol

Moles of NaCl = Mass of NaCl / Molar mass of NaCl

= 58.5 g / 58.44 g/mol

≈ 1.001 mol

Step 2: Calculate the molarity.

Molarity (M) is defined as moles of solute per liter of solution.

Molarity = Moles of solute / Volume of solution

= 1.001 mol / 0.25 L

≈ 4.004 M

Therefore, the molarity of the solution, which contains 58.5 g of NaCl dissolved in 0.25 L of solution, is approximately 4.004 M.

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Answer:

f=ma

40=m*8

m=5kg

another object of same mass is added

=>m=5+5=10kg

f=10*8=80N

Explanation:

0.4505857614899369

hope that help

Answer:

The density of 16.52 g of tin is  0.07 g/ cm³

In case of when mass is 1652 g then option A is correct (7.3 g/cm³)

Explanation:

Given data:

Mass of tin = 16.52 g

Volume of tin = 226 cm³

Density of tin = ?

Solution:

Density:

Density is equal to the mass of substance divided by its volume.

Units:

SI unit of density is Kg/m³.

Other units are given below,

g/cm³, g/mL , kg/L

Formula:

D=m/v

D= density

m=mass

V=volume

Now we will put the values in formula.

D = 16.52 g / 226cm³

D = 0.07 g/ cm³

The density of 16.52 g of tin is  0.07 g/ cm³

Answer

B. The osmotic pressure will be greater for the solution than for the pure water.

Explanation

Osmotic pressure is directly proportional to the number of solute particles in a given amount of solvent. The more number of solute particles in a solution, the more would be its osmotic pressure.

Answer:

Dissolving a solid in liquid, such as table salt in water, is a physical change because only the state of the matter has changed.

Explanation:

When a spoonful of table salt (sodium chloride, NaCl) dissolves in a bowl of soup, a physical change occurs  because, the chemical composition of the salt (sodium chloride) remains the same; it's just dispersed in the liquid. This change is known as dissolution or dissolving.

Here's what happens;

Physical Mixing: When you add the salt to the soup, the salt crystals mix with the liquid soup. The salt particles spread out and become evenly distributed throughout the soup.

Solute and Solvent: In this process, the salt is the solute, and the soup is the solvent. The solute is the substance being dissolved (salt), and the solvent is the substance that does the dissolving (soup).

Ion Formation: As the salt crystals dissolve, the sodium (Na+) and chloride (Cl-) ions that make up the salt separate from each other. The water molecules in the soup surround and interact with these ions, helping to pull them apart from the crystal structure.

Ionic Interaction: The charged ions from the salt interact with the polar molecules in the soup, particularly the water molecules. This interaction forms a solution, where the salt ions are evenly dispersed throughout the liquid.

Homogeneity: The resulting mixture appears uniform and homogeneous. You can't easily distinguish the salt from the soup, and the taste of the soup becomes salty due to the presence of dissolved salt ions.

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Answer:

Alkene

Explanation:

there is a C=C and only H is bonded with carbon

Answer:

A

Explanation:

In genetic terms, a dominant trait is one that is phenotypically expressed in heterozygotes

Answer and Explanation: A molecule consisting of central atom with three bond pairs and one lone pair of electrons will have trigonal pyramidal shape.

Answer:

25°C

Explanation:

Combined Gas Law (P₁V₁)/T₁ = (P₂V₂)/T₂

(0.947 atm)(150 mL)/25°C = (0.987 atm)(144mL)/T₂

5.682 = 142.128/T₂

T₂ = 142.128/5.682

T₂ = 25.0137272756°C = 25°C

Answer:

A 10 neutrons

Explanation:

A 10 neutrons is the number of neutrons in an atom of atomic number 10 which is neon

Most biologically significant elements have low atomic masses and adhere to the octet rule.This rule states that an atom would be most secure when it has eight electrons in its outer, or valence, shell.

The hypothesis that main-group elements typically bind in a way that each atom gets eight electrons within its valence shell, providing it the same electrical configuration as just a noble gas, is reflected in the octet rule, a chemical rule of thumb.

Hydrogen, beryllium, and boron do not contain enough electrons to form an octet.In hydrogen, there is just one valence electron, and it has just one place where it can bond to another atom.

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Answer:

I'd say 624.2^3 inches.

Explanation:

Answer: Sucrose is a glycosyl glycoside formed by glucose and fructose units joined by an acetal oxygen bridge from hemiacetal of glucose to the hemiketal of the fructose.

Explanation:

Answer: With the cold front, warm air is rapidly forced upward (like the shavings) in advance of the actual front (the “cutter”), creating towering cumulus clouds, some hard showers and quite possibly a few gusty thunderstorms followed by a push of cooler and drier air in its wake.

Explanation:

No, a molecule with a \(C_2\)axis perpendicular to the \(C_n\)axis does not necessarily have a mirror plane perpendicular to the \(C_n\)axis.

The presence of a \(C_2\)axis perpendicular to the \(C_n\)axis implies that the molecule possesses rotational symmetry around the \(C_n\)axis. However, the presence of a mirror plane is determined by the presence of an additional symmetry element in the molecule.

A mirror plane is a symmetry element that divides the molecule into two halves, with one half being the mirror image of the other. In order for a mirror plane to be present perpendicular to the \(C_n\)axis, there needs to be an additional symmetry element that produces the reflection symmetry.

While a molecule with a \(C_2\) axis perpendicular to the \(C_n\)axis has rotational symmetry, it does not necessarily possess reflection symmetry. For example, consider a molecule with a \(C_2\)axis perpendicular to a \(C_3\)axis.

The rotational symmetry is evident, as the molecule can be rotated by 120 degrees around the \(C_3\) axis and still appear the same. However, this molecule does not possess a mirror plane perpendicular to the \(C_3\)axis.

The presence of a mirror plane perpendicular to the \(C_n\)axis depends on the specific molecular geometry and arrangement of atoms. It is possible for a molecule to possess both rotational symmetry and a mirror plane perpendicular to the \(C_n\)axis, but it is not a general rule.

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Answer:

By looking at the amount of time between the P and S wave on a seismographs recorded on a seismograph, scientists can tell how far away the earthquake was from that location. However, they can't tell in what direction from the seismograph the earthquake was, only how far away it was.

Explanation:

Moles of oxygen

2 mol reactants required for 3mol O_2

So our answer is 2

A) Y because the line is flat, not going up or down. So, constant or no change in population

B) A positive correlation with introduction to animal A (because population is going up or increasing)

C)

1.New predator (due to Animal A eating them, meaning more of their predators are eating them)

2. Lack of food or food availability due to competition (from Animal A, e.g. if they eat the same food)

3. Introduction to a new disease (from Animal A)

Hope this helps!

Answer:

The number of valence electrons of an element can be determined by the periodic table group (vertical column) in which the element is categorized.

Explanation:

Hope it helps!

The three oxygen atoms can occupy three distinct positions in space. These positions can be identified by their coordinates in three-dimensional space.

The space is an area or volume that exists between two or more objects, areas, or surfaces. In scientific terms, it is the distance between two points in three-dimensional space. It can also refer to a gap between two events, feelings, or other entities. In mathematics, space is a measure of the dimensionality of a given set, which can be described as the number of degrees of freedom within a given set. In physics, space is the physical realm of existence that encompasses all matter and energy. It is a fundamental component of reality and the universe.

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Answer:

ATP is a stored form of energy

Explanation:

it is the main source of this

The correct answer is "decendent." Embalming authorization may be given by the bailee, next of kin, or spouse, but not by the decedent.

The term "decedent" refers to the person who has died; they are unable to give consent for embalming or any other post-mortem procedures. According to legal and cultural customs, the choice to embalm is often taken by the designated representative, such as the bailee (person in charge of the body), next of kin, or spouse.

Hence, embalming authorization may be given by the bailee, next of kin, or spouse, but not by the decedent.

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Answer:

you ask questions that are too hard!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1

Explanation:

The mass of NaCl in 44mL of a 1.6M solution is 4.1grams.

The mass of NaCl can be calculated by using the following formula;

Molarity = no. of moles ÷ volume

Molarity is the concentration of a substance in solution, expressed as the number moles of solute per litre of solution.

no of moles = 1.6M × 0.044L = 0.07moles

The mass of the sodium chloride solution can be calculated by multiplying the molar mass of the salt by the number of moles present in the solution.

The molar mass of NaCl solution can be calculated as follows;

M.M = 23g/mol + 35.5g/mol = 58.5g/mol

mass of NaCl = 58.5 × 0.07 = 4.1grams.

Therefore, 4.1grams is the mass of NaCl solution.

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Answer: The absorbance for a solution is 0.0028

Explanation:

To calculate the absorption of a solution, the equation by Beer-Lambert law is used:

\(A=\varepsilon \times b\times C\)

OR

\(A=\varepsilon \times b\times \frac{\text{Given mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Volume of solution (mL)}}\)

where,

A = absorbance = ?

\(\varepsilon\) = molar absorptivity = \)15000m^2mol^{-1}L\)

b = path length = 1 cm = 0.01 m                 (Conversion factor: 1 m = 100 cm)

Given mass of \(\beta-\) carotene = 0.1 mg = 0.0001 g     (Conversion factor: 1 g = 1000 mg)

Molar mass of \(\beta-\) carotene = 536 g/mol

Volume of solution = 10 mL

Putting values in equation 1:

\(A=15000\times 0.01\times \frac{0.0001\times 1000}{536\times 10}\\\\A=0.0028\)

Hence, the absorbance for a solution is 0.0028