Have a tour in your kitchen pick five (5) food products having nutrition facts
and ingredients. Look for the name of elements and compounds that are present.
Complete the table below with necessary details from the food labels of the food
product you have picked. Write your answer in a separate sheet of paper.

Explanation:

Foods and beverages that are high in acids wear away the enamel that protects your teeth, a process known as tooth erosion. This changes the appearance of your teeth and opens the door for bacteria that can cause cavities or infection.

You can reduce tooth erosion from what you eat and drink by following these tips: Wait an hour before you brush after eating acidic foods to give your saliva a chance to naturally wash away acids and re-harden your enamel. Limit – or avoid – acidic beverages like soft drinks. If you do indulge, use a straw.

hope this helps you.

Explanation:

Tooth decay starts when pH of the mouth is lower than 5.5 .This is caused when bacteria present in the mouth produce acid by degradation of sugar and food particles remaining in the mouth after eating.

To prevent this, we should clean the mouth after eating food. Using toothpaste, which are generally basic, for cleaning the teeth can neutralise the excess acid and prevent tooth decay.

Answer:

Ammonia is a toxic product of nitrogen metabolism which should be removed from our body.

The urea cycle or ornithine cycle converts excess ammonia into urea in the mitochondria of liver cells.

The urea forms, then enters the blood stream, is filtered by the kidneys and is ultimately excreted in the urine.

Taking into accoun the definitio of dilution,  if 0.250 L of a 6.00 M HNO₃ solution is diluted to 2.00 L, the molarity of the new solution is 0.75 M.

First of all, you have to know that dilution  is the reduction of concentration of a chemical substance in a solution and consists of lowering the amount of solute per unit volume of solution.

In other words, dilution is the procedure followed to prepare a less concentrated solution from a more concentrated one by simply adding more solvent to the solution.

In a dilution the amount of solute does not change, but as more solvent is added, the concentration of the solute decreases, as the volume (and weight) of the solution increases.

A dilution is mathematically expressed as:

Ci×Vi = Cf×Vf

where

In this case, you know:

Replacing in the definition of dilution:

6 M × 0.250 L= Cf × 2 L

Solving:

[tex]Cf=\frac{6 Mx0.250 L}{2 L}[/tex]

Cf=0.75 M

In summary, if 0.250 L of a 6.00 M HNO₃ solution is diluted to 2.00 L, the molarity of the new solution is 0.75 M.

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Answer:

normal volume of the stomach fluid is 20 to 100 mL and the pH is acidic (1.5 to 3.5).

Explanation:

Answer:

D

the genes of the egg determine

Answer:

1. D

2. B

3. A

4. B

5. A

Explanation: just finished quick check

The equation is an example of beta-minus decay.

In a beta-minus decay, an electron is converted to a proton. When this happens, the atomic number of the daughter nucleus increases by one unit above the atomic number of the parent nucleus.

Looking at the equation, we can see that the atomic number of the daughter nucleus increased by one unit above that of the parent nucleus while the mass number of both the parent nucleus and daughter nucleus remained the same. Therefore, a beta-minus decay has taken place.

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Answer: sulfur-36

Explanation:

Answer:

4,9725*10⁻¹³[J].

Explanation:

all the details are in the attached picture, answer is marked with orange colour.

Answer:

gdfktfnfgh trhdfih tdjgd

Answer:

Explanation:

· 3.5 x 10^15 atoms of sodium to moles of sodium. Answers: 1 Show answers : ) Another question on Chemistry. Chemistry, 21.06.2019 22:30. Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u. Answers: 1. Answer. Chemistry,

Answer:

A. displacement) الازاحة

B. المسافة الفعلية للسيارة distance

You will calculate speed from graph (B) because it's the real distance, but (a) is Unreal distance

(II) speed equal distance / time

Speed =(250*1000/5*60*60).

=13.9888888m/s

Molar mass of ( NH₄)₃PO₄ = 14.01×3 + 1.01×12 + 30.97 + 16.00×4 = 149.12 g/mol. Mass of 0.183 mol ...

A 0.183 mol sample of ammonium phosphate contains approximately 27.289 grams.

To calculate the number of grams in a given amount of a substance, we need to use its molar mass.

The chemical formula for ammonium phosphate is (NH₄)₃PO₄. To determine the molar mass, we sum up the atomic masses of all the atoms in the formula.

The atomic masses are as follows:

N = 14.007 g/mol

H = 1.008 g/mol

P = 30.974 g/mol

O = 15.999 g/mol

Now we can calculate the molar mass of ammonium phosphate:

Molar mass = (14.007 g/mol × 3) + (1.008 g/mol × 12) + (30.974 g/mol × 1) + (15.999 g/mol × 4)

Molar mass = 149.082 g/mol

Next, we can use the formula:

Mass = Number of moles × Molar mass

Mass = 0.183 mol × 149.082 g/mol

Mass ≈ 27.289 g

Therefore, a 0.183 mol sample of ammonium phosphate contains approximately 27.289 grams.

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Answer:

Volume

Explanation:

Density of a quantity of matter is its mass divided by its volume. External pressure pushes the atoms or molecules closer together and increased temperature usually expands the volume of the material, pushing the molecules apart.

Answer:

C

Explanation:

Answer:

There are 4.59*10^-24 atoms in 15.00 of pure gold.

Explanation:

Molar mass of gold is 196.996g/mol

[tex]\frac{15}{196.966} =0.076 mol[/tex]

0.076*(6.022*10^-23)=4.59*10^-24

The percent yield is 74.4 %.

Fe₃O₄ + 4H₂ → 3Fe + 4H₂O

First, calculate the theoretical yield of H₂O.

Theor. yield =

0.112 g H

2

×

1 mol H

2

2.016 g H

2

×

4 mol H

2

O

4 mol H

2

×

18.02 g H

2

O

1 mol H

2

O

=

1.001 g H

2

O

Now calculate the percent yield.

% yield =

actual yield

theoretical yield

×

100

%

=

0.745 g

1.001 g

×

100

%

=

74.4

%

The mass in grams (theoretical yield) of hydrogen is produced is considered to be 0.119 g H2.

Since

Mass of Mg = 31.3 g

Mass of H2O = 2.12 g

First, we have to determine the mole

So,

Mole of Mg = mass of Mg / molar mass of Mg

= (31.3 g ) / (24.30 g/mol )

= 1.28 mole

And,

Mole of H2O = (2.12g ) / (18.01g /mol )

= 0.117 mole

As per the chemical reaction:

2 mole of H2O react with 1 mole of Mg

So, 0.117 mole of H2O will react with mole of Mg is

Now

= ( 1 mol Mg / 2 mol H2O ) * 0.117 mol H2O

= 0.058 mole of Mg

Now

1 mole of Mg produce , 1 mole of H2

So,

0.058 mole of Mg will produce 0.058 mole of H2

Now, determine the mass of H2

= Molar mass of H2 * mole of H2

= 2 * 0.058

= 0.116 g

= 0.119

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If you change the 2 in front of 2O, to a 3, the result of the right side of the equation is [tex]3CO_2+6H_2O[/tex]

Given the chemical equation expressed as:

[tex]CH_4 + 2O_2 \rightarrow CO_2 + 2H_2O[/tex]

From the equation, we can see that 1 mole of methane reacts with 2 moles of oxygen to form 1 mole of carbon dioxide and 2 moles of water.

If the number of moles of oxygen is replaced with 3 moles, the correct equation will be expressed as:

[tex]3CH_4 + 2(3O_2) \rightarrow3CO2 + 6H2O[/tex]

This shows that if you change the 2 in front of 2O, to a 3, the result of the right side of the equation is [tex]3CO_2+6H_2O[/tex]

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Answer:

Simple Chemical Reactions Unit Test:

1. There is an extra O2 molecule left over.

2. Covalent bonds tend to be less polar than ionic bonds.

3. PH3

4. replacement

5. Potassium is more reactive than hydrogen.

6. Each carbon atom would share one pair of electrons with hydrogen and three pairs with the other carbon atom.

7. H2SO4 + 8HI → H2S + 4I2 + 4H2O

8. 2, 1, 2

9. Nitrogen and oxygen have an electronegativity difference of 0.5, so the bond is polar covalent, with oxygen pulling the electrons toward it.

10. Sodium donates an electron to chlorine.

11. selenium (Se)

12. bond type

13. six

14. K

15. indicator

Have a great day! :)

Answer:

b.Rearrange the two equations to make each variable the focus (you will end up with three variations for each equation).

Answer:

the smallest particle of a chemical element that can exist.

Answer:

the smallest imaginable thing

Explanation:

Answer:

atoms as a source of nuclear energy.

noun: the atom

"the power of the atom

that which cannot be cut or indivisible

Answer:

Abe chutiye, Question sahi se likh laude phle

no

its kinematics

the acceleration due to gravity and the initial vertical velocity are the only thing that affects vertical distance

No, the distance which it falls  vertically does not affect by its horizontal velocity.

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Answer:

In a fossil fuel power plant the chemical energy stored in fossil fuels such as coal, fuel oil, natural gas or oil shale and oxygen of the air is converted successively into thermal energy, mechanical energy and, finally, electrical energy.

Answer:

To calculate the average atomic mass, multiply the fraction by the mass number for each isotope, then add them together.

hope this helps <3

Answer:

The mass number is the sum of the number of protons and neutrons in an atom. It is a whole number. The atomic mass is the average number of protons and neutrons for all natural isotopes of an element

An element's mass number (A) is the sum of the number of protons and the number of neutrons. ... This approximation of mass can be used to easily calculate how many neutrons an element has by simply subtracting the number of protons from the mass number. Protons and neutrons both weigh about one atomic mass unit or amu

Answer:

hope its helpful. Good luck

Answer:

It will take the car 13.5 minutes to travel 3.5 miles.

Answer:

Explanation:

Because the third shell is full, the rule of quantum mechanics prevent the third level from holding more than eight electrons.

The third level cannot accommodate more than eight electrons due to the fullness of the third shell and the laws of quantum physics.

Electrons are defined as a subatomic particle with a negative charge that makes up the nucleus of an atom along with protons and neutrons. Electrons are fundamental to many physical processes, including gravity, electromagnetic interactions, weak interactions, electricity, magnetism, chemistry, and thermal conductivity.

The laws of quantum physics are every moving particle, whether microscopic or macroscopic, has a wavelength according to De Broglie's equation. According to Heisenberg's Uncertainty Principle, it is impossible to measure a particle's position and momentum with the same level of accuracy.

Thus, the third level cannot accommodate more than eight electrons due to the fullness of the third shell and the laws of quantum physics.

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