CHEMISTRY HIGH SCHOOL

When dilute sulphuric acid is added to barium chloride solution then what happens in a balanced equation?

Answers

Answer 1
Answer:

Answer:

H2SO4 + BaCl2 = BaSO4 + 2HCl

Explanation:

Writing just the chemical compounds:

H2SO4 + BaCl2 = BaSO4 + HCl

Note that there are 2 Cl ions on the reactant side, but only 1 on the product side.  So lets add a coefficient of 2 to the HCl product:

H2SO4 + BaCl2 = BaSO4 + 2HCl

This had the consequence of adding another H ion to the product side, but we are in luck:  The reactant side contributes 2 H ions from the sulfuric acid, H2SO4.  I wish the rest of life was that easy.

The other elements also balance:

        Reactant     Product

H             2                 2

S              1                  1

O             4                 4

Ba            1                 1

Cl             2                 2

The balanced equation is:

H2SO4 + BaCl2 = BaSO4 + 2HCl

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Identify the preposition in the following sentence.Khari will finish typing his science report before dinner.
O his
o
O finish
O before​

Answers

(Before) his dinner

the word circuit means ________ therefore a circuit is a ___________ around which electricity or water flows

Answers

Answer:

the word circuit means go around therefore a circuit is a closed path around which electricity or water flows

Explanation:

Help this was helpful

Which changes will decrease the electric force between two positively charged objects? Check all that apply.moving them closer together


moving them farther apart


adding electrons


removing electrons


adding neutrons


removing neutrons

Answers

The changes that will decrease the electric force between two positively charged objects is by moving them closer together and moving them farther apart

Answer : Option B) Moving them farther apart.

Explanation : Force (F) is inversely proportional to distance (D) separated by charges.

F=(1)/(D^(2))

When Electrostatic force is found to be inversely proportional between two positive charges which is separated by a distance D, then to decrease the electrostatic force of one can try to change the distance between the two positive charges in such a way that it increases the distance and decreased the electric force. The best option would be to move the them far apart from each other.

Which is a physical change?A)
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Eliminate
B)
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C)
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D)
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Answers

Freezing water is an example of a physical change

freezing water,answer choice d

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WARNING: DON'T PUT LINKS I WILL REPORT YOU!

Answers

elements and compounds might appear different, yet they share many similarities, like being made up of atoms and having bonds linking their atoms together. Elements and compounds also share the qualities of being both pure and homogeneous substances. Substances can be categorised as either elements or compounds. Both of these are made up of atoms, the only difference is an element is made of one type of atom whereas compounds are made of two or more different types of atoms.

Increasing the _________________ of a reactant exposes more of it to the reaction taking place. a. catalyst
b. surface area
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Answers

I would go with B as more of the reactant is exposed per mol. A catalyst provides and alternate reaction path that reduces the activation energy but not necessarily exposes more of the reactant. Increasing the concentration wont increase the amount of exposed area nor will increasing the tempurature.
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