Sulfuric acid can dissociate into hydronium ions (H3O+) and hydrogen sulfate ions (HSO4−).
Does sulfuric acid dissociate or ionize?
Sulfuric acid is a very strong acid which ionizes into hydronium ions (H3O+) and hydrogen sulfate ions (HSO4−) while on the other hand, in dilute solutions the hydrogen sulfate ions also dissociate, forming more hydronium ions and sulfate ions (SO42−).
So we can conclude that Sulfuric acid can dissociate into hydronium ions (H3O+) and hydrogen sulfate ions (HSO4−).
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What is the IUPAC name for this product?
The IUPAC name for the given product is 2 chloro Butane.
What is IUPAC nomenclature?IUPAC stands for 'International Union of Pure and Applied Chemistry', which givers some rule for designing the name of compounds of chemistry.
In the given product total four carbon atoms are present and between all of them single bonds are present. In the second carbon atom, chlorine group is present. During the nomenclature process, first we write down the name of the attached group which is followed by the alkane chain.Hence name of the product is 2 chloro Butane.
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Which feature of a balanced chemical equation demonstrates the law of
conservation of mass?
A. It shows the products of a chemical reaction to the right of the
reaction arrow.
OB. It has coefficients to show how much of each substance a
chemical reaction uses.
OC. It shows the reactants of a chemical reaction to the left of the
reaction arrow.
D. It has the same types of atoms on both sides of the reaction
arrow.
Answer:
Option D
Explanation:
it has the same types of atoms on both sides of the reaction
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D) It has the same types of atoms on both sides of the reaction arrow.
Explanation:
This law was made by the Antoine Lavoisier in 1789. He want to confirm that the mass of reactant is equal to the mass of product and he was successful to carry out the test.
If 20 mL of gas is subjected to a temperature change from 10°C to 100°C and a pressure change from 1 atm to 10 atm,
the new volume to the correct number of significant digits is:
O 3 ml
O 12mL
O 24 ml
O 13 ml
O none of these choices
Answer:
E. None of these
Explanation:
We know, By GAS laws,
PV = NRT, where p- pressure, v- volume, n- number of moles, R- gas constant ,and T- temperature
Now, In the question, the number of moles remains the same as the gas is the same. so n is constant so we can compare n before and after a temperature change.
[tex]\frac{P1V1}{RT1}[/tex] = [tex]\frac{P2V2}{RT2}[/tex]
where P1= 1 atm, P2 = 10 atm, V1= 20 mL, T1= 10°C and T2= 100°C
We don't have to worry about the standard units as they are present equally on both the sides and get cut, same goes for R( gas constant)
So putting values, we get
[tex]\frac{1*20}{R*10} = \frac{10*V2}{R*100}[/tex]
Cutting, R on both sides and moving contents to the right so that only V2 is left on the left.
[tex]\frac{1*20*100}{10*10} = V2[/tex]
∴ V2 = [tex]\frac{2000}{100}[/tex]
∴ V2 = 20mL
Which conclusion could be made from Ernest Rutherford’s gold foil experiment?
Atoms are made up of mostly empty space.
Atoms are mainly solid and block alpha particles.
The volume of the nucleus is large compared to the rest of the atom.
The mass of the nucleus is small compared to the rest of the atom.
Answer:
a. atoms are made up of mostly empty space.(this is because most of the atoms were able to pass through the gold foil undeflected)
Explanation:
Answer:
a. atoms are made up of mostly empty space
Question 1 (1 point) Which of the following summarizes cellular respiration?
Oxygen reacts with glucose to produce carbon dioxide and water, and release energy.
Light energy is changed into chemical energy.
Chemical energy is changed into light energy.
Light energy is used to join water and carbon dioxide to make oxygen and glucose
Answer:
oxygen reacts with glucose to produce carbon dixiode into water and release energy. It is 1
Explanation:
It is A
Explanation:
importance of mole ratio in solvey process
Answer:
Sry i accidently clicked on ''SAVE''.
U can remove it or report it...
Explanation:
Which element is number 14 on the periodic table?.
Answer:
Silicon
Explanation:
When viewing the periodic table of elements and locating atomic number 14, you will find that the element present is Silicon (Si), of which is within the metalloid elemental group.
Imagine that the human population continues to increase, but we don't monitor or implement strategies to minimize our impact on the blue crab population.
Construct an argument supported by evidence for how increases in human populations impact the consumption of natural resources. In your answer, be
sure to include:
• the relationship between human populations and the consumption of resources
• a prediction of how the blue crab population would change with an increasing human population
evidence from the resources explored during the lesson
scientific reasoning
Answer:
The Explanation
Explanation:
:i imagine less blue crabs ngl
6.0 L of gas in a piston at a pressure of 1.0 atm are compressed until the volume is 3.5 L. What is the new pressure inside the piston?
From the calculations and by the use of Boyles law, the new pressure of the gas is 1.7 atm
What are gas laws?The term gas law is used to demonstrate the relationship between the volume, pressure, number of moles and temperature of a gas.
Using the Boyles law;
P1 = 1 atm
P2 = ?
V1 = 6 L
V2 = 3.5 L
P1V1= P2V2
P2= P1V1/V2
P2= 1 atm * 6 L/3.5 L
= 1.7 atm
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A sample of (NH4)2SO3 that contains 6 000 oxygen atoms must also contain how many hydrogen atoms?
Select one:
O a. 16 000
O b. 8 000
O c. 4000
O d. 6 000
[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]
In 1 molecule of [tex] \sf{(NH_4)_2SO_3} [/tex] has 3 molecules of Oxygen. but it is given that the sample contain 6000 Oxygen atoms. therefore, the number of molecules in the sample is ~
[tex]\qquad \sf \dashrightarrow \: \dfrac{6000}{3} [/tex]
[tex]\qquad \sf \dashrightarrow \: 2000 \: \:molecules[/tex]
Now, there are 8 atoms of Hydrogen in each molecule, so total number of H - atoms in 2000 molecules of the given compound would have ~
[tex]\qquad \sf \dashrightarrow \: 2000 \times 8[/tex]
[tex]\qquad \sf \dashrightarrow \: 16000 \: \: H-atoms[/tex]
Two children on roller skates stand facing each other. The child on the right puts her arms out and pushes away from her partner. What is the action and reaction
Answer:
They both go backward because of force.
Explanation:
The logic behind this answer is that child right and pushes away causing her to go backward meaning her partner is being pushed backwards to.
(Hope this was helpful!)
A) 4520 kj
B) 1794 kj
C) 800 kj
D) 2200 kj
Answer:
D.) 2,200 kJ
Explanation:
To find the energy needed to vaporize aluminum, you need to multiply the given mass (2 kg) by the latent heat of vaporization conversion (via table). You know your answer is correct if the units cancel out.
2 kg aluminum 1,100 kJ
------------------------- x ------------------------ = 2,200 kJ
1 kg aluminum
**I apologize if there was another way using the equation **
How can we prevent coral reefs from dying in the first place?
Explanation:
1. Reduce your carbon footprint
Carbon emissions also increase ocean acidity, which can impact corals and the species that depend on them.
Walking, biking, riding public transportation and carpooling are all ways you can reduce your carbon footprint
2. Conserve water to reduce pollution
All water winds up in the ocean, and pollution drives much of the damage to reefs. And runoff is what carries nutrients and contaminants into the sea.
Using less water can help minimize these impacts.
3. Get engaged
Through civic and political engagement, you can help shape your community in ways that reduce negative impacts on coral reefs. Volunteering, voting and running for public office are all ways you can become more engaged and magnify your impact on a wide range of issues.
4. Support sustainable fishing
Overfishing has a dramatic impact on coral reefs. By making informed choices about the fish you purchase and eat, you can contribute greatly to ocean health.
5. Support sustainable development and tourism
By doing research, speaking out and making informed choices when you visit tropical reefs, you can make a big impact
6. Help inform the public
Educating others about the crisis facing coral reefs is a vital part of building support, engagement and the political will to fight the human-caused pressures that are devastating reef ecosystems.
Bonds occur to make atoms more stable. Covalent bonds occur between _____
Question 41 options:
metals and noble gases because valence electrons are given to noble gases
metals and nonmetals because valence electrons are given to metals
nonmetals and nonmetals because valence electrons are shared
metals and metals because valence electrons are shared
Answer:
nonmetals and non metals because valence electrons are shared
Explanation:
please take note that ionic bond only occur between nonmetals and metals whereas covalent bonds only occur between nonmetals and nonmetals
PLEASE HELP
Which of the following best describes the work performed by a curator?
preservation
preservation
promotion
promotion
examination
examination
restoration
restoration
Answer:
A restoration
Explanation:
the action of returning something to a former owner, place, or condition.
If it's not preservation then it's it's reservation.
How many grams is 3.2 moles of water
Answer:
similarly 1 mole of water is equivalent to molecular mass of water x 3 that is 18x3=54 gram
Explanation:
Radiocarbon dating can be used to determine the age of a fossil because the amount of carbon-14 found in the fossil...
a. increases steadily over time.
b. decreases steadily over time.
c. is unaffected by time.
d. remains the same for the first 10 years, and then rapidly decreases.
Answer:
B
Explanation:
Carbon-14 will steadily decrease in a dead organism. Fossils are no different. Sense it's dead already, it will still be getting rid of the last bit of carbon-14 it has in a steadily way.
17. Explain How is a change in oxidation number related to the process of oxidation and reduction?
Answer:
Explanation:
A change in oxidation number represents a transfer of electrons between atoms/ions. This is what happens during oxidation and reductions, where electrons are gained and lost (respectively).
kindly help me
i am confused
i will mark you brainlist
Explanation:
a) 2 (Cr)³+ + 3 BiO3- + 4 H+ → 3 (Bi)3+ + Cr2O72- + 2 H2O
b)
have posted a similar question in the image for the phosgene i hope it helps little
I NEED HELP ASAP !!!!!!!!!!!!!!!!!!!!!1
Answer:
true im pretttyyy sure
Explanation:
bcuz the stronger the intermolecular forces the higher the boiling point :3
Why is the earth so round
Answer:
Cause why not?
Explanation:
Sam and Albert reacted 3.5 moles of hydrogen gas with an excess of oxygen and had a percent yield of 85%. How many moles of water did they actually produce
The mole of water Sam and Albert produced would be 3.5 moles
Mole ratioFrom the balanced equation of the reaction:
[tex]2H_2 (g) + O_2 (g) --- > 2H_2O (l)[/tex]
The mole ratio of hydrogen to water is 1:1.
Thus, if 3.5 moles of hydrogen gas is reacted with excess oxygen, 3.5 moles of water will also be produced.
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Which two of the following correctly describe a solution?
A. All solutions are in the liquid phase.
B. The solubility of a solute in a particular solvent is affected by temperature.
C. A solution consists of a solute and solvent.
D. The solubility of a solute in a particular solvent is affected by the densities of the
solute and solvent.
Answer:
C and A
Explanation:
i think it is because a solution is a mix of a solute and solvent, dont judge me if its wrong
Which scientist provided a foundation for John Dalton’s work on the atomic structure?
Robert Millikan
Joseph Proust
Ernest Rutherford
J. J. Thomson
Answer:
J.J. Thomson
Explanation:
Answer:
D
Explanation:
took the test
When placed in a cloud chamber, a radioactive substance does which of the following?
a. Leaves a trail of condensed water vapor.
b. Produces an electric current.
c. lonizes chemicals on the film present in the chamber.
d. Causes a liquid to reach its boiling point.
Does sodium fluoride follow the octet rule? If not, which exception is it?
Answer:
Sodium fluoride (NaF) does indeed follow the octet rule without any violations.
As hydrochloric acid is added to a solution of sodium hydroxide, the pH of the mixture will
A) stay the same
B) increase
C) decrease
D) change unpredictably
C) decrease
hydrochloric acid: strong acid, pH <7
sodium hydroxide: strong base, pH>7
How many moles of gas will occupy a volume of 2.5 l at 12.0 atm and 25c?
Answer:
1.23 moles
Explanation:
Ideal gas law
PV = n RT R = .082057 L-atm/mol-K
25 C = 298.15 K
12 (2.5) = n (.082057) (298.15) n = 1.23 moles
According to the kinetic-molecular theory, the collision between two ideal gas particles is a result of
Answer:
Neither Attraction Nor Repulsion
Explanation:
To start off,
Kinetic Molecular Theory:
A theory that describes the behavior, interaction, and movement of gas molecules; based on the idea that particles of matter are always in motion; the relationship between the microscopic qualities and the macroscopic qualities of a gas.Repulsion:
Repulsion in chemistry stands for the force which exists between two bodies that have the same electric charge or the same magnetic polarity, this force tends to repel the bodies and separate them from each other.Attraction:
The attraction of the negatively charged electrons that are circling the nucleus and the positively charged protons that are inside the nucleus provokes a pill that creates a chemical bond.To finish,
Gas particles move at random, which means there are no attractive forces between them or in their surroundings. The entire kinetic energy of two particles is preserved when they collide.
Answer:
Neither attraction nor repulsion.
Explanation:
Just took the test!
What kind of water is found in littoral zone of a lake?
The littoral zone of a lake is the area closest to the shore. It has very little biological activity but includes a lot of oxygen. The water in the lake's littoral zone is freshwater, free of living organisms such as plants and fish.