what element generally appears in the formula of an acid

Answers

Answer 1

Answer:

Hydrogen, hope this helps :)


Related Questions

Concentracion de las siguientes soluciones

Answers

Answer:

wwwwwwwwww

Explanation:

2870 j of energy is required to heat and boil one gram of water at 20 °c. how much water at this temperature can 7.14 × 1010 j of energy heat and boil?

Answers

Answer:

Explanation:

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The mass of water is equal to 2.48 × 10⁷ g, needs the energy of 7.14 ×10¹⁰ J to heat and boil.

What is the specific heat capacity?

The specific heat capacity can be demonstrated as the quantity of energy needed to increase the temperature by one-degree Celcius in one unit of substance.

The temperature will be changed whenever there is a loss or absorption of energy by any substance.

Q = mCΔT

Therefore, there is a direct relationship between the mass of water and the amount of energy.

m ∝ q

[tex]{\displaystyle {\frac{m_1}{m_2} =\frac{q_1}{q_2}[/tex]

[tex]{\displaystyle {m_2} =\frac{q_2}{q_1} \times m_1[/tex]

Given, the energy required to heat mass(m₂) of water, q₂ = 7.14 ×10¹⁰ J

The energy to heat 1 gram of water, q₁ = 2870 J

[tex]{\displaystyle {m_2} =\frac{7.14\times 10^{14}}{2870} \times 1[/tex]

m₂ = 2.48 × 10⁷ g

Therefore, the mass of water is equal to  2.48 × 10⁷ g.

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Perform the following
mathematical operation, and
report the answer to the correct
number of significant figures.
3.22 x 0.17 = [?]

Answers

Answer:

0.5474

Explanation:

3.22 x 0.17

     \/

322 x 17 = 5,474

[] There are four places "after" the decimal in 3.22 and 0.17 combined, meaning we move the decimal to the right four times in our current answer

-> 5,474 becomes 0.5474

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

Answer:0.55

Explanation:

3.22 × 0.17 calculated with significant figures is 0.55, which has 2 sig figs and 2 decimals. There are 2 steps to calculate 3.22 × 0.17 with sig figs. 0.55 rounded to 1 sig figs is 0.6.

substance x reacts with sodium carbonate to form a gas . The gas turns lime water cloudy. What is substance K and which process takes place in the reaction?

Answers

When sodium carbonate reacts with hydrochloric acid, Carbon dioxide gas is released. Pass the gas through calcium hydroxide,the solution turns milky indicating that the gas is Carbon dioxide .

The substance K is hydrochloric acid and this is called as neutralisation.

hope this helps u

◌⑅⃝●♡⋆♡MICKZMINNZ♡⋆♡●⑅◌

Substance x is an acid. The process that takes place in the reaction is a Neutralization reaction

Neutralization reaction

From the question, we are to determine what substance x is.

First, we will identify the gas given off.

The gas that turns lime water milky is carbon (IV) oxide (CO₂) gas.

RECALL: Acids react with carbonate to produce salt and water with the release of carbon dioxide gas.

Hence, substance x is an acid. The process that takes place in the reaction is a Neutralization reaction.

Learn more of Neutralization reaction here: https://brainly.com/question/2632201

what was transferred from the hydrochloric acid to the water molecule

Answers

A proton (H⁺) is transferred from the hydrochloric acid to the water molecule.

What is Bronsted-Lowry theory?

Bronsted-Lowry theory is used to classify acids and bases.

Acid: is a substance that donates H⁺.Base: is a substance that accepts H⁺.

Hydrochloric acid is an acid and when it reacts with water, it transfers an H⁺ ion, according to the following equation.

HCl + H₂O ⇒ Cl⁻ + H₃O⁺

A proton (H⁺) is transferred from the hydrochloric acid to the water molecule.

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9. Name the element which has the following numbers of particles:
I

Answers

A. iron

B. iodine

C. Helium

D. calcium

E. lead

F. hydrogen

check your periodic table to see if they are correct

atomic number, proton number and electron are the same

to find neutron = mass number - atomic number

Is mercury an electrolyte at room temperature?​

Answers

Answer:

No

Explanation:

Despite mercury being a metal, it is a liquid at room temperature. It cannot be an electrolyte. This is because most of the liquids that can conduct electricity or acids bases and salts whereas mercury is a metal.

no, mercury is a liquid at room temperature it is a metal. it cannot be an electrolyte

what is the empirical formula of cinnamaldehyde?​

Answers

C9H8O. .....................

Normal human sex cells have 23 chromosomes. Use the art to determine the number of chromosomes a sex cell may have if the nondisjuction occured during Meiosis I. Include all possible chromosome totals.

Answers

Answer:

46.....................

1. Which of the following statements about the properties of elements related to an
atomic emission spectrum are true? Select all that apply. (3 are correct)

Answers

The emission spectrum of an atom consists of limited lines that are unique to a given element.

According to the Bohr model of the atom, energy is absorbed or emitted when an atom moves from one energy level to another. Since energy is quantized, the spectrum of atoms often consists of single lines.

Hence, the true statement about atomic spectrum is that; "the light that an element emits is made up of a limited number of narrow lines that produce a unique pattern or atomic emissions spectrum for that element."

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isotopes of an element contain different numbers of

Answers

Neutrons
Hope this helps!

electric current is passed through water, it decomposes inti hydrogen and oxygen. write full balanced chemical equation for the reaction​

Answers

Answer:

2H2O ------------------] 2H2 + O2

7. You should see a diagonal band from top left to bottom right across your graph. These are called "main sequence stars". Describe the general trend or relationship they show between temperature and brightness.

Answers

Answer: mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm

Explanation:

Which two elements have more protons per atom than phosphorus?​

Answers

Answer:

nitrogen have more protons per atom than phosphorus

Oxygen and fluorine are the two elements that have more protons per atom than the element phosphorus.

What is phosphorus?

Phosphorus (P), a nonmetallic chemical element of something like the nitrogen group (Group 15 [Va] of the periodic table), is a colorless, semitransparent, soft, sticky solid that glows in the dark at room temperature.

Hennig Brand, a German businessman with an interest in alchemy, appears to have discovered phosphorus around 1669. Brand left 50 buckets of pee alone till they putrified and "produced worms." He then reduced the urine to a paste and burned it with sand to extract elemental phosphorus first from combination.  Oxygen and fluorine are the two elements that have more protons per atom than phosphorus.

Therefore, oxygen and fluorine are the two elements that have more protons per atom than phosphorus.

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Large networks of ators covalently bonded together are called:
a) Giant covalent structures
b) Molecular structures
c) Giant ionic lattices
d) Superconductors

Answers

Answer:

Giant Covalent Structures, Diamond and Graphite are giant covalent structures since they're allotropes of Carbon.

Answer:

Giant covalent structures contain very many atoms. , each joined to adjacent atoms by covalent bonds. The atoms are usually arranged into giant regular lattices - extremely strong structures because of the many bonds involved.

2.3g of sodium metal is burned completely in oxygen of air.
(Na =23, O =16, at STP : 32g of O2 has 22.4L)
Find mass of the obtained oxide?
Find volume of the required air?

Answers

Answer:

mass of Na2O= 3.1 grams

volume of O2= 0.56 L

Explanation:

First what you need to do is establish the balanced equation for the reaction that they're giving you. In this case would be:

4Na + O2 > 2Na2O

And then, you can read the stequiometry of the reaction:

4 moles of Na react with one mole of oxygen to produce 2 moles of sodium oxide.

So now you know that you have 2.3 grams of sodium so you have to obtain the quantity of moles that are present in 2.3 grams of sodium. The molar mass the (the grams by which you will have exactly one mole) so all you have to do is divide 2.3g ÷ 23g/mol= 0.1 mol

So here you have 0.1 mol of sodium, and you know for a fact that for each 4 moles of sodium, one mole of oxygen reacts, so you simply divide the quantity of moles of sodium you have by the 4 moles of oxygen present in the balanced equation.

0.1 moles ÷ 4 moles = 0.025.

So for each 0.1 moles of sodium that react, 0.025 moles of Oxygen react.

Now what you need to do is to find the limitant reactor (the reactor that's according to the comparison to the balanced equation is in a smaller ratio to the other element, that would be in excess.

In this case, both elements are in a ratio that respects the balanced equation so neither of them is in excess or is limitant.

Now, to determine the amount of Na2O, you simply know that one mole of oxygen react to produce to moles of sodium oxide, So all you have to do is establish the factor of conversion:

0.025 moles O2 x 2 moles Na2O/ 1 mol O2= 0.05 moles of Na2O

Then you convert that to grams by multiplying 0.05 by the molar mass of Sodium oxide and it will be:

0.05 mol Na2O x 62 g/mol= 3.1 grams of Na2O

Now what you need to do is find the volume by which O2 is reacting in the reaction so you can use the equation of the ideal gas law.

PV=nRT at standard temperature and pressure (273 K and 1 Atm)

P=Pressure

V=Volume

n=Number of atoms

R=constant of gases (0.082 Atm L/ mol K)

T=Temperature

V=nRT/P (because you need to find the volume)

V= (0.025 mol)(0.082)(273 K)/1 atm

V=0.56 L

And there you go :)

The work you do on a machine is called the_________________

Answers

Answer:

THE WORK YOU DO ON A MACHINE IS CALLED WORK INPUT

The work you do on a machine is called the________.

Answer: Work In, Work Out: The work that you do on a machine is called work input. The work done by the machine on an object is called work output. means that less force will be needed for the same amount of work. Machines make work easier for you by changing the size or direction of the input force you supply.

So the answer would be input!

which compound contains both ionic and covalent bonds

Answers

Answer:

Any compound that contains a metal ion and a polyatomic ion would work. Polyatomic ions are covalently bonded non-metals that have some overall charge. Examples of common polyatomic ions include OH⁻ (hydroxide), NH₄⁺ (ammonium), and NO₃⁻ (nitrate). So answers to this question can be something like KOH (potassium hydroxide), but really, anything works if it contains a metal ion and a polyatomic ion.

How many grams of copper would you need to produce 50.0g of silver? 1 Cu + 2 AgNO3 ----> 2 Ag + 1 Cu(NO3)2

Answers

cu-Mg is slivers d,jK

23.
What would happen to the substance in the jar if energy was added?

Answers

Answer:

it would explode

Explanation:

dont put that as an answer i need point for finals

how many atoms of mercury are in 50.15 g of mercury?

Answers

Answer:

please mark brainliest

Explanation:

The correct answer to this question is 0.2500 mol

Formula to calculate moles:

Moles = mass ÷ molar mass (n=m/M)

Mass = 50.15g

Atomic mass: 200.59 amu

Moles = 50.15g/200.59

= 0.2500 mol.






please please answer this question!!!!!!​

Answers

cell membrane - phospholipd bilayer

pigmented - chloroplasts

chloroplasts - oval shaped with two membranes

rectangular or cubed - plant cell

nucleus - control centre

hope that's what you are looking for

Significant digits for the number 80

Answers

Answer:

8 and 0

Explanation:

8 and 0 together make 80

How long is a bench? Select the best estimate.
4 centimeters
4 milllimeters
4 kilometers
4 meters

Answers

Answer:

4 meters

Explanation:

4 centimeters and millimeters are too small, while 4 kilometers is too large.

Which statement about electronegativity is incorrect?
A) Within a periodic table group, electronegativity increases from bottom to top.
B) Metals generally have higher electronegativity values than nonmetals.
C) Within a periodic table row, electronegativity increases from left to right.
D) Fluorine is the most electronegative atom of all the elements.

Answers

Answer:

A

Explanation:

refer to your text book

HELP PLSS ASAP PLEASE

Answers

Answer:

5.24 x 10^23

Explanation:

Avogadro's constant is 6.02 x 10^23

1 mol = 6.02 x 10^23

0.87 mol = 6.02 x 10^23 x 0.87 = 5.24 x 10^23 (2.d.p)

What do Cl-35 and Cl-36 have in common?

Answers

Answer:

they have same atomic number as they are the same element & electrons

Answer: they both have the atomic (proton number) as they are the same element hence they also they have the same number of electrons. Therefore they have similar chemical properties, as the electrons determine the chemical property of an element.

Explanation: The numbers 35 and 37 are the mass numbers for the two isotopes of chlorine. They both have the same atomic number (proton number ) as they are the same

At room temperature, all the metalloids are solids, while most nonmetals are​

Answers

Answer:

at their own state.

That leaves only five elements: carbon, phosphorus, sulfur, selenium, and iodine, which are all non-metals and are solid at room temperature.

either elements or compounds which are present prior to a chemical reaction

Answers

Answer:

Do you mean the reactants? They are present prior to the reaction taking place. The products are the results of the reaction.

10. Would it be possible for an earthquake at this same location to be felt where you live? Why or why not ?

Answers

Answer:

yes if big  no if weak

Explanation:

According to new research, a large earthquake can not only cause other quakes, but also large ones on the opposite side of the Earth.

What is an earthquake and how it is caused?

An earthquake is a sudden movement of rock materials beneath the earth's surface that causes a weak to violent shaking of the ground. The earthquakes are caused by tectonic plate boundaries.

Every day, earthquakes occur all over the world, along both tectonic plate edges and interiors. Earthquakes happen along faults, which are fractures in the rock that allow the blocks to move relative to one another.

Earthquakes are typically caused by underground rock suddenly breaking and rapid movement along a fault. The seismic waves that cause the ground to shake are caused by this sudden release of energy.

A large earthquake can not only cause other quakes, but also large ones on the opposite side of the Earth, according to new research.

Thus, it is possible for an earthquake at this same location to be basically felt where you live.

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