Sulfuric acid is an important chemical in industrial production of many products. In the “old” days, it was called oil of vitriol. It is commonly dyed brown now to alert people to its hazards because it is hugely corrosive. It is commonly found in car batteries. What is the molarity of 25.9 moles of sulfuric acid dissolved in 4.00 L of solution?

Answers

Answer 1

Answer:

6.475 M

Explanation:

Number of moles = 25.9 moles

Volume = 4.00 L

Molarity = ?

The relationship between the quantities is given as;

Molarity = Number of moles / Volume

Molarity = 25.9 / 4

Molarity = 6.475 M


Related Questions

For the reaction, ?N2 + ?H2 → ? NH3,
What is the maximum amount of NH3 which could be formed from 12.26 mol of N2 and 2.11 mol of H2? Answer in units of mol.

Answers

Explanation:

➢number of moles. Moles and Chemical Reactions. Chapter 4. 3 H2. + N2. →. 2 NH3 ... How many grams of NH3 would form if 2.11 moles of N2 reacted with ...

the symbol between two reactants in a chemical equation?

Answers

It’s an addition sign since two things reacting means to add them up (mix them together)

Hope this helps!!

How much H2O is produced when 40000 g of
C2H, burns completely?
Answer in units of g.

Answers

Answer:

1200g H20.

Explanation:

Write out the balanced equation... when an organic compound is burned, like C2H2, it is burned in oxygen (O2) and produces Water and Carbon Dioxide (CO2)

so 2C2H2 + 5O2  =  2H2O  + 4CO2

now that you have a balanced equation just convert to moles and solve

2000g C2H2 * 1mol C2H2 / 30gC2H2 * 2mol H2O/2mol C2H2 * 18gH2O/1molH20 = 1200g H20.

balance
Na2O+H2O → NaOH

Answers

Answer:
Na2O+H2O=2NaOH
Step by step exp.
Given:
Equation Na2O+H2O=NaOH
To find: Balance the equation
Solution:
Taking LHS of the equation
LHS=Na2O+H2O
There is 2 sodium, 2 oxygen,& 2 hydrogen
To balance the equation we have equal number of atom so we multply 2 to the RHS=2NaOH
There fore the equation form is
Na2O+H2O=2NaOH

helppp its qboutt cellsss

Answers

Answer:

sorry if this is wrong but B

Explanation:

ITS C

Oxygen, APT, and Glucose

answer quick plssssssssss

Answers

I’m pretty sure it’s 3.14

Chlorine atom
10. What does the following equation represent; 2KMnO4 -> K2MnO4 + MnO2(s)
+ O2(g) ?*
A. Oxygen turned in to carbon dioxide
B. Sulphate and lithium boiled
C. Decomposition of potassium permanganate(Heating)
D. None of the above​

Answers

Answer:

C. Decomposition of potassium permanganate(Heating)

Explanation:

The equation of the reaction is given as;

2KMnO4 -> K2MnO4 + MnO2(s)  + O2(g)

Reactant = 2KMnO4

Products = K2MnO4 + MnO2(s)  + O2(g)

A. Oxygen turned in to carbon dioxide

Incorrect option - Oxygen is not the reactant

B. Sulphate and lithium boiled

Incorrect option -  Sulphate and lithium are not part of this reaction

C. Decomposition of potassium permanganate(Heating)

Correct option - potassium permanganate decomposed to form K2MnO4 + MnO2(s)  + O2(g)

D. None of the above

Incorrect option


After Dalton's proposed atomic theory, several atomic models were developed. Which model was the first propose the existence of
small, dense nucleus?

Answers

Answer: Rutherford's model was the first propose of the existence of small, dense nucleus's.

Explanation: The atom, as described by Ernest Rutherford, has a tiny, massive core called the nucleus. The nucleus has a positive charge. Electrons are particles with a negative charge. Electrons orbit the nucleus. The empty space between the nucleus and the electrons takes up most of the volume of the atom.

Answer: Here is the correct image of the first atomic model it's in the picture!

Explanation: I did it on USA Test Prep to see which one is right

Care este concentratia procentuala a amestecului obtinut prin amestecarea a 25g acid sulfuric de concentratie 30% si 36 g solutie acid sulfuric de concentratie 65%?

What is the concentration of the combination of 25grams of sulphuric acid of concentration 30% and 36 grams of solution of sulphuric acid of concentration 65%

Answers

Explanation:

REFER TO THE ATTACHMENT ABOVE.....

what is the percent yield of carbon dioxide of 2.5 mole of oxygen react and 32.4 g of carbon dioxide are produced?
please help!!

Answers

Answer:

86

Explanation:

According to the concept of percent yield, the percent yield of carbon dioxide is 72.51%.

What is percent yield?

Percent yield is defined as the ratio of actual yield to the theoretical yield multiplied by 100. If the actual and theoretical yield are same then the percent yield is 100%.If actual yield is less than the theoretical yield then the percent yield is less than 100%.Reason of this condition arising is the incompletion of reaction or loss of sample during recovery process.

In cases where percent yield is over 100% it indicates that more sample is recovered than the predicted amount.This condition arises when there are other simultaneous reactions taking place leading to the formation of product. It can also arise if there is incomplete removal of impurities from the sample .

In the given example, theoretical yield of carbon dioxide is as 32 g oxygen produces 44 g carbon dioxide,thus 32.5 g which is obtained by 2.5 moles of oxygen will require 32.5×44/32=44.68 g

Thus , on substitution in formula of percent yield, 32.4/44.68×100=72.51%.

Hence, the percent yield of carbon dioxide is 72.51%.

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If 30.0 grams of calcium metal react with 18.0 grams of oxygen gas, your calculations show that ________ grams of CaO could be produced from the 30.0 grams of calcium and __________ grams of CaO could be produced from the 18.0 grams of oxygen. The theoretical yield of calcium oxide from this reaction is ________.

Answers

Answer:

42g if CaO can be produced from 30g and 31.5g of CaO will be produced from 18g of O

Explanation:

40g of CA =56g

30g =×

cross multiple

=56*30/40

=42g

32g of O =56g

18g =×

cross multiple

=56*18/32

=31.5g

theoretical yield

42-31.5= 10.5

just guessing

What is true of all mixtures?
Group of answer choices

All mixtures are made up of 2 or more elements or compounds.

All mixtures are made up of solutions

All mixtures are made up of compounds.

All mixtures are made up of elements.

Answers

Answer:

Answer the first ine made up of 2 or more.....

All mixtures are made up of two or more elements or compounds.

What are compounds?

Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.

Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.They are:

1)Molecular compounds where in atoms are joined by covalent bonds.

2) ionic compounds where atoms are joined by ionic bond.

3)Inter-metallic compounds where atoms are held by metallic bonds

4) co-ordination complexes where atoms are held by co-ordinate bonds.

They have a unique chemical structure held together by chemical bonds Compounds have different properties as those of elements because when a compound is formed the properties of the substance are totally altered.

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1. inside of a cell helps it to maintain its size and shape. 2. When turgor pressure inside of a plant’s cells decreases, the plant begins to 3. Plants grow upward against the downward force of gravity in a process known as 4. Even when plants are placed on their sides, they recognize the force of gravity, and their stems grow and their roots grow ** answers please its on stem scopes on Concept attainment quiz 7.7B Organism Force and Motion**

Answers

gravity
The pull of gravity has the greatest effect on which of the following in plants? The downward growth of roots. inside of a cell helps it to maintain its size and shape. A wilted plant returns to an upright position after being watered.

Nitric monoxide (NO) reacts with oxygen gas to form nitrogen dioxide (NO₂), a dark brown gas. If 5.895 mol of NO is mixed with 2.503 mol of O₂,

determine the limiting reagent.

calculate the number of grams of NO₂ produced.

and determine how many grams of excess reagent remain unreacted.

Answers

Answer:

Limiting reactant: O2

grams NO2 produced = 230.276 g NO2

grams of NO unused = 26.67 gNO

Explanation:

2NO + O2 --> 2NO2

Step 1: Determine the molar ratio NO:O2

molar ratio NO:O2 = 5.895: 2.503 = 2.35

stoichiometric molar ratio NO:O2 = 2:1

So, O2 is the limiting reactant.

Step2: Determine the grams of NO2:

?g NO2 = moles O2 x (2moles NO2/1 mol O2) x (MM NO2/ 1 mol NO2) = 2.503 x 2 x 46 = 230.276 g NO2

Step 3: Determine the amount of excess reagent unreacted

moles excess NO reacted = moles O2 x (2 moles NO/1 mol O2) = 2.503 x 2 = 5.006 moles NO reacted

moles NO unreacted = total moles NO - moles NO reacted = 5.895-5.006 =0.889 moles NO unreacted

mass NO unreacted = moles NO unreacted x MM NO = 0.889 x 30 =26.67 g NO unreacted

How many grams of oxygen were used if 3.0 moles of aluminum oxide are produced

Answers

Answer:

143.9946 g

Explanation:

Solutions of calcium nitrate and sodium chloride are mixed.

Answers

Answer:

For example, when water solutions of calcium nitrate and sodium carbonate are mixed, calcium carbonate precipitates from the solution while the other product, sodium nitrate, remains dissolved. It is a precipitate.

Explanation:

Plz help, will give brainliest!

Answers

Answer:

C

Explanation:

No change.

The total number moles of products = The Total number of reactants

PLS HURRY MY TEST IS TIMED

Currently, some commercially available explosives are tagged with traceable
radioactive isotopes
chemical markers
cell-signal components
acetone compounds

Answers

Answer:chemical markers

Explanation:

I’m smart give brainlest plz

Calculate the percent composition of oxygen in silicon dioxide.​

Answers

Answer:

then it is 5

Explanation:

because i said it is

Which of the following is NOT a combination reaction?
a NO + O2 + NO2
b Cr + Cl2 + CrCl3
C CH, + O2 + CO2 + H20
d C2H4 + H2 + C2H6

Answers

This answer should be B

what is an isotope ​

Answers

Answer:

each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.

Explanation:

Isotope, one of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table and nearly identical chemical behaviour but with different atomic masses and physical properties.

What is the percent of water in the hydrate whose formula is MgCl2 •6H2O?

Answers

Here is my answer. I hope this is helpful.

I need help with this question

Answers

Answer:

B

Explanation:

it's all about the genetics of the horse

All human body systems works together m. What would happen to someone if one of their systems becomes inefficient?

Answers

They would most likely get sick. Or suffer from organ failure. When one part of your body doesn’t work it causes a weakness, making you more susceptible to sicknesses.

Answer:

lol this is what you get for stealing my points

Explanation:

Stock System naming for NaCl4, SO3, As2F4.

Answers

NaCI4: Sodium perchlorate
SO3: SULFITE ION

true or false, the special olympics started as a backyard summer camp?

Answers

Answer:

True

Explanation:

hope this helps:)))

Select the statements that are true about electronegativity between elements,
and their type of bond.
A. If the difference is over 1.7, an ionic bond will form.
B. If the difference in electronegativity is from 0.6 to 1.7, the bond
will be nonpolar and covalent.
C. If the difference in electronegativity is 2 to 2.5, the bond will be
nonpolar covalent.

Answers

Answer:

a

Explanation:

if the difference is over 1.7, an ionic bond will form

I NEED HELP NOWWW.!
Sexual reproduction influences genetic variation. Which of the following properly describes the influence that sexual reproduction has on genetic variation?

A) Crossing over occurs during meiosis, which results in the exchange of alleles between homologous chromosomes. This exchange of genetic material allows for the production of new combinations of alleles in gametes and an increase in genetic variation.

B) Crossing over occurs during mitosis, which results in the exchange of alleles between homologous chromosomes. This exchange of genetic material allows for the production of new combinations of alleles in gametes and an increase in genetic variation.

C) Crossing over occurs during mitosis, which results in the exchange of alleles between sister chromatid. This exchange of genetic material allows for the production of identical combinations of alleles in gametes and a decrease in genetic variation.

D) Crossing over occurs during meiosis, which results in the exchange of alleles between sister chromatid. This exchange of genetic material allows for the production of identical combinations of alleles in gametes and a decrease in genetic variation.

Answers

Answer:

C

Explanation:

The statement that best describes the influence that sexual reproduction has on genetic variation is as follows:

Crossing over occurs during mitosis, which results in the exchange of alleles between homologous chromosomes. This exchange of genetic material allows for the production of new combinations of alleles in gametes and an increase in genetic variation.

Thus, the correct option for this question is B.

What is Crossing over?

Crossing over may be defined as a biological mechanism through which genetic material gets exchanged between the non-sister chromatids of the homologous chromosomes. The process of crossing over occurs in the Pachytene stage of mitosis.

Option C is incorrect because the process of crossing over never occurs between sister chromatids. So, it is eliminated. While options A and D are incorrect because they describe the mechanism of crossing over in the sense of meiosis which is absolutely incorrect.

Therefore,  the correct option for this question is B.

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How many lone pairs are in SO4 2-

Answers

Answer:

None

Explanation:

There are two S=O. bonds and two S-O bonds in sulfate ion lewis structure. Sulfur atom is the center atom and four oxygen atoms are located around sulfur atom. There are no lone pairs in the last shell of sulfur atom.

The model below represents a molecule of ammonia gas.

Ammonia gas would be classified as?
A) element
B) atom
C) compound
D) mixture

Answers

C. Compound..........

Ammonia gas is a compound that is made up of two elements, nitrogen and hydrogen. So, option C is right.

A compound is a substance that is made up of two or more elements chemically combined. Ammonia gas is made up of the elements nitrogen and hydrogen, which are chemically combined in the ratio of 1:3.

Elements are the basic building blocks of matter. They cannot be broken down into simpler substances by chemical means. Atoms are the smallest unit of an element that can exist.

Mixtures are substances that are made up of two or more elements or compounds that are not chemically combined. The components of a mixture can be separated by physical means, such as filtration or distillation.

An atom is the smallest unit of an element that can exist and ammonia gas is not an atom because it is not the smallest unit of an element.

Therefore, option C, compound is correct.

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