1. Write the name for the following:
a. Phosphoric acid
b. Hydroiodic acid Nitrous acid
d . Hypochlorous acid

Answer:

since the modern periodic table is made in ascending order by the atomic number fluorine has the most protons.

The highlighted element that has the greatest number of protons is Iron, Fe. Thus, the correct option for this question is B.

Protons may be defined as a type of subatomic particles which are generally present in the centermost part of an atom known as the nucleus along with neutrons. These subatomic particles are positively charged in nature. Ernest Rutherford was known to discover these particles.

According to the question, the number of protons is generally governed by an atomic number of a chemical element. For example, fluorine has an atomic number of 9. It has the same number of protons in its nucleus. The number of protons in Iron is 26, while the number of protons in Calcium is 20. And the number of protons in aluminum is 13.

Therefore, an iron is the highlighted element that has the greatest number of protons. Thus, the correct option for this question is B.

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Answer: See Explanation

Explanation:

Cytokinesis occurs in mitosis and meiosis for both plant and animal cells. The ultimate objective is to divide the parent cell into daughter cells.

In plants , this occurs when a cell wall forms in between the daughter cells.

In animals , this occurs when a cleavage furrow forms. This pinches the cell in half.

Answer:

p stands for protons. You can identify the element by matching the atomic number with the number of protons.

The answer is Potassium in this case.

Answer:

1. Because a Francium atom is deeper down the alkali metals, it is much easier to lose a valence electron.

2. A fluorine atom can easily gain a valence electron, but it could not easily lose a valence electron because it is one electron away from filling the outer shell

Explanation:

The answer is the explanation

The pKa of formic acid is 3.75. At pH of 5.00, b) [formate] > [formic acid].

Formic acid is a weak acid. Thus, together with its conjugate base (formate) they form a buffer system. We can calculate the pH of a buffer system using Henderson-Hasselbach's equation.

[tex]pH = pKa + log \frac{[formate]}{[formic\ acid]} \\\\5.00 = 3.75 + log \frac{[formate]}{[formic\ acid]}\\\\\frac{[formate]}{[formic\ acid]} = 17.8[/tex]

As expected, at a pH above the pKa, the concentration of formate is higher than that of the formic acid.

The pKa of formic acid is 3.75. At pH of 5.00, b) [formate] > [formic acid].

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The best way to determine the concentration of AgNO3 dissolved in solution is by precipitation using a chloride.

Precipitation is one of the oldest and handy methods of chemical analysis. It involves the addition of a reagent which is known to form a precipitate with the test solution.

The precipitate is now recovered from solution, dried and weighed. Stoichiometric calculations show the amount of the test substance dissolved in the test solution.

In this case, NaCl can be used to carry out a precipitation as follows;

AgNO3(aq) + NaCl(aq) -------> AgCl(s) + NaNO3(aq)

The AgCl precipitate is recovered dried and weighed and then the amount of AgNO3 in the dissolved solution is determined.

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Answer:

I think the coefficient is 4

A volcano can be defined as an opening on the surface of a planet that allows material warmer than surroundings to escape from its interior. Therefore, option (B) is correct.

A volcano can be described as an opening in the earth's crust through which lava, volcanic ash, and gases escape from its interior. When this material escapes, then eruptions can be calmer, with gentle flows of material, or can be explosive, sending material high into the sky.

When pieces of Earth's crust slowly move away from each other, magma can rise. The magma rises to fill in space and underwater volcanoes can form.

The tectonic plates can also move toward each other when magma rises. The part of Earth's crust can be forced deep into its interior which can cause the crust to melt and rise as magma.

The magma can also rise over hot spots. Hot spots can be defined as the hot areas inside of Earth where magma heats up and becomes less dense. With each way of rising the magma can form volcanoes.

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Answer:

Imagine you have 5 marbles in your hand and 5 marbles spread in front of you on the floor. Each group has the same mass, but one is contained in a smaller space. The marbles in your hand would be denser because there is more "stuff" in a smaller space.

Explanation:

Answer:

C 1.0 x 10-14 mol/L

Explanation:

also do you do connections academy?

Answer:

1. Option C

2. Option D

3. Option B

4. Option

5. Option

6. Option

7. Option

Answer:

fossils of plants and animals

distinctive rock layers and mountain ranges

Glacial scratches on rocks

Explanation: I took the quiz lol

they are caused by winds and changes in seawater density.

Answer:

1.8 mol

Explanation:

concentration (M) = no. of moles (mol) ÷ volume (dm³)

no. of moles = concentration ×  volume

                     = 6 × 300 / 1000

                      =  1.8 mol

Answer:

a. HCl + KOH

b. HCHO₂ + LiOH

Only the first H in HCHO₂ is acidic

c. N₂H₄ + HCl

Both N atoms in N₂H₄ are basic, so the compound reacts with 2 mol of HCl.

Explanation:

Answer:

D

Explanation:

No company is allowed to discriminate.

Answer:

O are in 535 g of N2O

Explanation:

Answer:

We can just use the formula for the volume of sphere which is 4/3 PI R cubed R is the radius. So if you have a balloon that's a sphere.

Explanation:

Answer:

A. The metal and point

Explanation:

Elements that can conduct electric current are generally metals. However, the nonmetal carbon in the form of graphite is a good conductor of electricity.

For the reaction

3 Ni2+(aq) + 2 Cr(OH)3(s) + 10 OH- (aq)  →  3 Ni(s) + 2 CrO42-(aq) + 8 H2O(l) G = +87 kJ/mol

Given:

(Ni2+(aq) + 2 e- →  Ni(s)) x 3 Ered = -0.28 V

(CrO42-(aq) + 4 H2O(l) + 3 e- →  Cr(OH)3(s) + 5 OH-(aq)) x 2

_____________________________________________________________________________________

3 Ni2+(aq) + 6 e- →  3 Ni(s)

2 CrO42-(aq) + 8 H2O(l) + 6 e- →  2 Cr(OH)3(s) + 10 OH-(aq)

At the equivalence point, the NaF completely reacts with the HCl

The correct option that gives the equivalence point when titrating NaF solution with HCl(aq), occur at a pH value is option c);

c) Below 7 because it is determined by HF (aq)

Reason:

The ionic equation of the reaction taking place in the titration is presented as follows;

Therefore, by removing the spectator ions, we get;

Therefore;

The net ionic equation is the formation of hydrofluoric acid, HF, which is a

weak acid, therefore, the pH value will be below 7 because it is determined

by HF

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Considering the change of units, there are 2.27×10²⁵ atoms of carbon per pound.

You know that there are 6.02x 10²³ atoms of carbon per 12 grams.

On the other hand, you must make a change of units. For that you must know that 1 gram equals 0.00220462 pounds. Then you can apply the following rule of three: if 1 gram is equal to 0.00220462 pounds, 12 grams is equal to how many pounds?

[tex]mass=\frac{12 gramsx0.00220462 pounds}{1 gram}[/tex]

mass= 0.0264555 pounds

12 grams equals 0.0264555 pounds. So if 12 grams contains 6.02x 10²³ atoms, 0.0264555 pounds contains that many moles. Then you can apply the following rule of three: if 0.0264555 pounds contains 6.02x 10²³ atoms, does 1 pound contain how many atoms?

[tex]amount of atoms=\frac{1 poundx6.02x10^{23} atoms}{0.0264555 pounds}[/tex]

amount of atoms= 2.27×10²⁵ atoms

Finally, there are 2.27×10²⁵ atoms of carbon per pound.

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Answer:

your creating a animal/creature

Explanation:

a human is a mammal we grow use energy reproduce and change our clothes to respond to our surroundings

Answer:

Foam is not a state of matter, it is a mixture of two states: gas and (usually) liquid. There are also gas-solid foams.Explanation:

Answer:

Foam is not a state of matter, it is a mixture of two states: gas and (usually) liquid.

Explanation:

Answer: This is an oxidation-reduction (redox) reaction:

3 C-II - 12 e- → 3 CII (oxidation)

4 CrVI + 12 e- → 4 CrIII (reduction)

C2H5OH is a reducing agent, K2Cr2O7 is an oxidizing agent.

Answer:

b and c

Explanation:

b nuclear energy and d is radiology dating if I am correct