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Svet_ta [14]
3 years ago
14

Write a balanced chemical equation based on the following description: aqueous potassium phosphate reacts with aqueous nickel(II

) bromide to produce solid nickel(II) phosphate and aqueous potassium bromide.
Chemistry
1 answer:
Sunny_sXe [5.5K]3 years ago
8 0

Answer:

2 K3(PO4) aq  + 3NiBr2 aq  -------- 6 KBr  aq +  Ni3(PO4)2  s

Explanation:

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Which of the following most likely happens during a physical change?
Svetlanka [38]

Answer:

A. New atoms are introduced in the molecules of the substance.

Explanation:

Pls, Pls, Pls can I have brainliest? I need 1 more brainliest to lvl up to expert

4 0
3 years ago
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Which solution has the greatest number of hydroxide ions?baking soda, pH = 9milk, pH = 6tomato juice, pH = 3.5vinegar, pH = 2
weqwewe [10]

Answer: -

Baking soda having a pH of 9, has the maximum number of hydroxide ions.

Explanation: -

More the pH of a solution, the more basic it is and more the number of hydroxide ions it has.

From the question we find that

baking soda has a pH = 9

milk has a pH = 6

tomato juice has a pH = 3.5

vinegar has a pH = 2

Thus among them baking soda has the highest pH.

So baking soda is the most basic and has the maximum number of hydroxide ions.

8 0
4 years ago
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7.The equation below shows a process that occurs in all green plants.
pychu [463]

Answer:

Ⓓ The process follows the law of conservation of mass and energy is found in the product

Explanation:

This question depicts PHOTOSYNTHESIS, which is the process employed by green plants to manufacture their food in form of sugars (glucose). The general equation, which was given in the question is as follows:

6CO2 + 6H2O + energy → C6H12O6 + 6O2

This chemical reaction follows the LAW OF CONSERVATION OF MASS, which states that the amount of matter in reactant must equate that of the product. In this case, each element contains the same number of atoms in both reactant side and product side.

Also, energy is contained in the product but stored in the chemical bonds of the glucose molecule formed.

6 0
3 years ago
Would you expect a carbon atom to have the same mass as an oxygen atom
kramer
Its impossible coz carbon has isotopes C-12 and C-13 whereas oygen has isotopes 16<span>O, </span>17<span>O, and </span>18<span>O, so impossible. Hope it helps</span>
3 0
3 years ago
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HELP!!!!
ale4655 [162]

Answer: Option (b) is the correct answer.

Explanation:

Since energy of reactants is less than the energy of products. Therefore, it means energy is absorbed during the reaction.

As the energy required to break the bonds in the reactants is greater than the energy released when products are formed.  

Therefore, it is an endothermic reaction.

Thus, we can conclude that the statement, it is endothermic because the energy required to break bonds in the reactants is greater than the energy released when the products are formed is correct.

5 0
3 years ago
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