oil wells like the one shown here are used to obtain oil from which type of rock underground

Answers

Answer 1

Answer:

petroleum

Explanation:

usually found sedimentary rock.

definition: a liquid mixture of hydrocarbons that is present in certain rock strata and can be extracted and refined to produce fuels including gasoline, kerosene, and diesel oil, oil


Related Questions

What's the IUPAC name O || CH3CH2CH2CH2COCH3

Answers

Answer:

2-hexanone

Explanation:

Since we are asked to find the IUPAC Name;

First thing we need to do is to identify the functional group.

In this case it is ketone group, because the formula for ketone is CnH2nO.

Thus, the last suffix will be -one.

Secondly, secondly, we will find the longest carbon chain which in this case is 6. Six has the prefix "hex-"

The Formula has no branches group.

Thus, we can call it 2-hexanone

Which statement is true about the atoms in helium gas?

They have strong attractions to one another.
They travel in circular paths.
They are arranged in an orderly pattern.
They are not closely packed.

Answers

Answer: The answer is they are not closely packed

Explanation: HOPE THIS HELPS!!

A hot metal plate at 150°C has been placed in air at room temperature. Which event would most likely take place over the next few minutes? Molecules in both the metal and the surrounding air will start moving at lower speeds. Molecules in both the metal and the surrounding air will start moving at higher speeds. The air molecules that are surrounding the metal will slow down, and the molecules in the metal will speed up. The air molecules that are surrounding the metal will speed up, and the molecules in the metal will slow down.

Answers

Answer:

not goin to be rude but I don't even get the question??

I need help on this question pleas label

Answers

Answer:

we will solve your Quiz

Explanation:

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1. A potassium atom has a larger atomic radius than a sodium atom. What statement about potassium correctly explains this difference?
A) It has a larger nuclear charge
B) It has a lower electronegativity
C) It has more energy levels occupied by electrons
D) It has a lower ionization energy

2. Which of the following elements has the greatest electron affinity (largest negative value)?
A) Mg
B) Al
C) Si
D) P
E) S

3. The electron affinity of fluorine is essentially equal to
A) The negative of the ionization energy F
B) The ionization energy F-
C) The negative of the ionization energy F-
D) The ionization energy Ne
E) The negative of the ionization energy Ne

Answers

The answer for number one is C

The electron affinity is the energy required to remove an electron from an atom to yield a negative ion.

We know that atomic size increases down the group as more shells are added. This is because, inter-electronic repulsion pushes the electrons in the outermost shell farther away from the nucleus. Hence potassium atom has a larger atomic radius than a sodium atom because It has more energy levels occupied by electrons.

Electron affinity increases across the period. The more nonmetallic an element is, the more negative its electron affinity. Hence, sulfur has the greatest electron affinity.

Electron affinity is the opposite of ionization energy. It therefore follows that, the electron affinity of fluorine is essentially equal to the negative of the ionization energy F.

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How is the mass of 1 mole of an element determined? O A. It is equal to the atomic mass times Avogadro's number. O B. It is the same as the element's atomic mass, but in grams. O c. It is equal to the atomic number times Avogadro's number. O D. It is the same as the element's atomic number, but in grams.​

Answers

Answer:

Avogadro's number is the number of particles in one mole of anything. In this context, it is the number of atoms in one mole of an element. It's easy to find the mass of a single atom using Avogadro's number. Simply divide the relative atomic mass of the element by Avogadro's number to get the answer in grams.

Answer:

D. It is the same as the element's atomic mass, but in grams.

Explanation:

other answer didn't give the actual option lol

While a balloon is being filled, if the temperature of the air in the balloon increases, what happens to it’s volume?

Answers

When heating up, the balloon slowly rises and flies up in the air again. Explanation: The volume of the balloon decreases by the low temperature, because the gas inside is cooled down. When heated up, the pressure in the balloon rises, the balloon expands, and will reach to its original shape.

Believe it!!

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The concentration of hydroxide ions in the antacid, milk of magnesia, is 5.3 × 10−4 M. Calculate the concentration of hydronium ions at 25°C.

Answers

Answer:

1.89 × 10^-11 M

Explanation:

Recall that;

[H^+] [OH^-] = 1 × 10^-14

[H^+] = concentration of hydronium ions

[OH^-] = concentration of hydroxide ion

Where [OH^-] = 5.3 × 10−4 M

[H^+]= 1 × 10^-14/5.3 × 10−4

[H^+]= 1.89 × 10^-11 M

Milk of magnesia, with a concentration of hydroxide ions of 5.3 × 10⁻⁴ M, has a concentration of hydronium ions of 1.9 × 10⁻¹¹ M.

Milk of magnesia (Mg(OH)₂) is an antacid, in which the concentration of hydroxide ions is 5.3 × 10⁻⁴ M.

We can calculate the concentration of hydronium ions at 25°C using the following expression.

[tex][H_3O^{+} ][OH^{-} ] = Kw = 1.0 \times 10^{-14} \\\\[H_3O^{+} ] = \frac{1.0 \times 10^{-14} }{[OH^{-} ]} = \frac{1.0 \times 10^{-14} }{5.3 \times 10^{-4} } = 1.9 \times 10^{-11} M[/tex]

where,

Kw is the ionic product of water

Since [H₃O⁺] < 10⁻⁷ M, the milk of magnesia is basic.

Milk of magnesia, with a concentration of hydroxide ions of 5.3 × 10⁻⁴ M, has a concentration of hydronium ions of 1.9 × 10⁻¹¹ M.

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Select all of the following reactions that are endothermic.

½N 2(g) + 3/2H 2(g) → NH 3(g) + 11.0 kcal/mole
H 2(g) + ½O 2(g) → H 2O(g), ΔH = -57.83 kcal/mole
½N 2(g) + O 2(g) + 8.1 kcal → NO 2(g)
½N 2(g) + ½O 2(g) → NO(g), ΔH = +21.6 kcal/mole
NH 3(g) → ½N 2(g) + 3/2H 2(g), ΔH = +11.0 kcal/mole

Answers

Answer:

½N 2(g) + O 2(g) + 8.1 kcal → NO 2(g)

½N 2(g) + ½O 2(g) → NO(g), ΔH = +21.6 kcal/mole

NH 3(g) → ½N 2(g) + 3/2H 2(g), ΔH = +11.0 kcal/mole

General Formulas and Concepts:

Thermochemistry

Endothermic vs ExothermicEnthalpy

Explanation:

An endothermic reaction would have heat or energy gained in the final stage of the reaction.

This means that our enthalpy would be positive and heat/energy would be added as a reactant.

Out of all the answer choices, we see that only these have heat/energy added in the reactant side or the enthalpy being positive:

½N 2(g) + O 2(g) + 8.1 kcal → NO 2(g)

½N 2(g) + ½O 2(g) → NO(g), ΔH = +21.6 kcal/mole

NH 3(g) → ½N 2(g) + 3/2H 2(g), ΔH = +11.0 kcal/mole

Topic: AP Chemistry

Unit: Thermochemistry

CH3 CH2 CH2 OH + H2SO4
Get the product and answer the following questions :

I. A + HCl
II. A --> Combustion ( what product does it form. Write out the equation )
III.A ---> Hydrogenation (what product does it form. Write out the equation )



Note : A represents the product gotten from the reaction between
CH3 CH2 CH2 OH and H2SO4​

Answers

Answer:

propene and hydrogen is product

When propanol is heated with concentrated sulphuric acid at 443 K, dehydration takes place and prop-1-ene is formed. In this reaction concentrated sulphuric acid acts as a dehydrating agent.

I. A + HCl gives )-gives 2-chloropropane

II. A --> Combustion ( what product does it form. Write out the equation propene ozonide

III.A ---> Hydrogenation (what product does it form. Write out the equation )propanol

describe one displacement reaction that is useful and explain why it is useful​

Answers

Answer:

carbon reaction with iron from its oxide. Why?? Because it is largely used in extraction of metals. It is used in acid indigestion.

PLZZZ HELP ASAP

In the following beta decay problem, C = ___________.

Answers

65 because the system is way too long to go in there so lesser the answer

C = Ca

A = 20

B = 42

What happens in beta decay?

₁₉⁴²K →   ⁴²₂₀Ca  +  ⁰₋₁e

There is an addition of one electron. The atomic number increases by one.

Positrons or electrons make up beta particles (electrons with positive electric charge, or antielectrons). In a nucleus with an excessive number of protons or neutrons, beta decay happens when one of the protons or neutrons is converted into the other. A neutron degrades into a proton, electron, and antineutrino in beta minus decay. A proton degrades into a neutron, a positron, and a neutrino in beta plus decay.

Learn more about beta decay here:

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Sodium and chlorine combine to form table salt.
2Na(s) + Cl2(g) → 2NaCl(s)
Does this reaction obey the law of conservation of mass?

Answers

Answer:

yes it does

Explanation:

because the ratios on the reactants and products are equal

The reaction 2Na(s) + Cl₂(g) → 2NaCl(s) obeys the law of conservation of mass.

Yes, this reaction obeys the law of conservation of mass. The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction; it is only rearranged.

In the given reaction, we have 2 sodium atoms (Na) on the left side and 2 sodium atoms (Na) on the right side. Similarly, we have 2 chlorine molecules (Cl₂) on the left side and 2 chlorine atoms (Cl) on the right side. Therefore, the number of atoms of each element is balanced on both sides of the reaction.

Additionally, the total mass of the reactants (2Na + Cl₂) is equal to the total mass of the product (2NaCl). The coefficients in the balanced equation represent the stoichiometric ratios, ensuring that the mass is conserved.

Hence, the reaction 2Na(s) + Cl₂(g) → 2NaCl(s) obeys the law of conservation of mass.

Learn more about law of conservation of mass from the link given below.

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what happens to the atomic size of elements on moving from left to right in a period of modern periodic table?

Answers

Answer: the atomic size will decrease

Explanation:

Answer:

It will remain the same because it is moving up and down to and fro it can not increase nor decrease or else will become an ion

movement of water molecules without the use of energy

Answers

The answer is ‘Passive Transport’

movement of molecules without the use of energy is due to the shrinkage of water

What is the definition of a Brønsted-Lowry base? O A. A Brønsted-Lowry base transfers a proton to something else. OB. A Brønsted-Lowry base accepts a proton from something else. C. A Brønsted-Lowry base donates an electron pair to something else. O D. A Brønsted-Lowry base accepts a hydroxide ion from something else.​

Answers

Answer:

the answer is option B it is a proton acceptor

What does the mass of an object measure?
a: amount of matter it contains .
b: force of gravity acting on it.
c: amount of water it displaces.
d: amount of space it takes up.​

Answers

Answer:

the amount of matter it contain

help please i am confused
It is pholem or phloem​

Answers

Answer:

phloem I believe

Explanation:

dictionary

which type of reaction this would be: 2KNO₃+ H₂CO₃ → K₂CO₃ + HNO₃

Answers

Answer:

It's a double displacement reaction.

HELP ITS DUE SOON PLEASEE

Identify the type of chemical reaction for each of the following:

SnO2(aq) + 2H2(g) → Sn(s) + 2H2O(g)

AgNO3(aq) + KI(aq) → AgI(s) + KNO3(aq)

2Fe(s) + 3Br2(l) → 2FeBr3(s)

3H2SO4(aq) + 2Fe(s) → Fe2(SO4)3(aq) + 3H2(g)

2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(g)

4Al(s) + 3O2(g) → 2Al2O3(s)

2KI(l) → 2K(s) + I2(s)  

3CaCl2(aq) + 2Na3PO4(aq) → Ca3(PO4)2(s) + 6NaCl(aq)

The options are:
Single replacement
Double replacement
Decomposition
Formation
Hydrocarbon combustion

Answers

Answer:

SnO2(aq) + 2H2(g) → Sn(s) + 2H2O(g) - Redox reaction

AgNO3(aq) + KI(aq) → AgI(s) + KNO3(aq) - double replacement reaction

2Fe(s) + 3Br2(l) → 2FeBr3(s) - Formation

3H2SO4(aq) + 2Fe(s) → Fe2(SO4)3(aq) + 3H2(g) - Single replacement

2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(g) - Hydrocarbon combustion

4Al(s) + 3O2(g) → 2Al2O3(s) - Formation

2KI(l) → 2K(s) + I2(s) - Decomposition

3CaCl2(aq) + 2Na3PO4(aq) → Ca3(PO4)2(s) + 6NaCl(aq) - Double replacement

Explanation:

In an oxidation - reduction reaction, the oxidation number of the species involved in the reaction changes from left to right. One specie is oxidized while the other is reduced. E.g in SnO2(aq) + 2H2(g) → Sn(s) + 2H2O(g) - Sn^2+ was reduced while H2 was oxidized.

For a single replacement reaction, one specie is replaced in the reaction e.g H^+ is replaced by Fe^2+ in the reaction, 3H2SO4(aq) + 2Fe(s) → Fe2(SO4)3(aq) + 3H2(g) .

In a double replacement reaction, the ions on the reactant side exchange partners at the product side e.g 3CaCl2(aq) + 2Na3PO4(aq) → Ca3(PO4)2(s) + 6NaCl(aq)

In a formation reaction, two reactants combine to form a product. E.g 2Fe(s) + 3Br2(l) → 2FeBr3(s)

In a decomposition reaction, a compound breaks down to yield its components e.g 2KI(l) → 2K(s) + I2(s)

Hydrocarbon combustion refers to the reaction of a hydrocarbon compound with oxygen e.g 2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(g)

how many moles of H2O are used to make 3.12 moles of NH3

Answers

Answer:

4.73 mol NH

Explanation:

What we're doing here is calculating basic mole-mole relationships, something that you'll be doing quite a bit!

The steps to solving mole-mole problems like this are

write the balanced chemical equation for the reaction (this is given)

divide the number of moles of the given known substance (3.55) by that substance's coefficient in the chemical equation (3)

multiply that number by the coefficient of the substance you're trying to find (4)

Using simple dimensional analysis, it looks like this:

Answer:

4.68 H2O is needed to make 3.12 moles of NH3

Explanation:

Using stoichiometry, we can convert Moles of NH3 into Moles of H20

since we're converting moles to moles, we take the given mole of NH3

3.12, and multiply it by the Mole ratio, which in this case is (H20/NH3) or (6/4)

so then: 3.12 * 6/4 = 4.68 mols of H2O

what are the byproduct obtained during fermentation of glucose
plz help me , I will follow u ,rate u 5 star,give u like and also give u branist.plz pls help me​

Answers

Answer:

during the fermentation of glucose carbon dioxide and alcohol are produced

I hope this helps

HELP!! Which of the following phase changes occur at point B on the phase diagram shown below?
Boiling
Condensation
Freezing
Sublimation

Answers

Answer:

freezing

Explanation:

because condensation is gas to liquid boiling is liquid to gas and sublimation is solid to gas

Which equation is balanced?
2Al+3O2→Al2O3

2Na+F2→2NaF

Mg+O2→2MgO

2Al+F2→2AlF3

Answers

the 1st one is balanced, the 2nd isn't (the number of Mg differs from left 1 to right 2).

The third is also not balanced, 2 F left,2*3=6 on the right

Biết độ tan s của AgNO3 ở 60 độ C là 525 gam ở 10 độ C là 170 gam tính lượng AgNO3 tách ra khi làm lạnh 2.500g dung dịch AgNO3 bão hòa ở 60 độ C xuống 10 độ C

Answers

Answer:

Can you translate for me please

Describe how you would find out whether copper(ii) oxide was a catalyst for the decomposition of hydrogen peroxide solution. You need to show not only that it speeds the reaction up, but that it is chemically unchanged at the end.​

Answers

Answer:

ds

Explanation:

sds

How many sodium (NA) Atoms are in Methylene?​

Answers

None

Explanation:

methylene is an organic compound comprising and of One carbon and two hydrogens

Which one is wrong I did them but it’s saying I got partial credit

Answers

phosphorus triiodide*

Calculate the number of hydrogen atoms in 33.0 g CH4

Answers

Answer:

The number of hydrogen atoms is 4.96x10²⁴.

 

Explanation:

The number of atoms can be found with the following equation:

[tex] n = N*\eta_{H} [/tex]

Where:

N: is the Avogadro's number = 6.022x10²³ atoms/mol

η: is the number of moles of hydrogen

n: is the number of hydrogen atoms

First, we need to find the number of hydrogen moles. The number of moles of CH₄ is:

[tex] \eta_{CH_{4}} = \frac{m}{M} [/tex]

Where:

m: is the mass of methane = 33 g

M: is the molar mass of methane = 16.04 g/mol                      

[tex] \eta_{CH_{4}} = \frac{33 g}{16.04 g/mol} = 2.06 mol [/tex]

Now, since we have 4 hydrogen atoms in 1 mol of methane, the number of moles of hydrogen is:

[tex] \eta_{H} = 2.06\: mol\: CH_{4}*4 \frac{mol\: H}{mol \: CH_{4}} = 8.24 mol [/tex]

Hence, the number of hydrogen atoms is:

[tex]n = N*\eta_{H} = 6.022 \cdot 10^{23} \: atoms/mol*8.24 mol = 4.96 \cdot 10^{24} atoms[/tex]

Therefore, the number of hydrogen atoms is 4.96x10²⁴.

I hope it helps you!      

What is the purpose of the lab

Answers

For practical research
So u can have science experiences
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