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oee [108]
3 years ago
5

HELP I'LL GIVE YOU 15 POINTS CAUSE THAT'S ALL I'VE GOT, BUT I NEED IT PLEASE!

Chemistry
1 answer:
nekit [7.7K]3 years ago
4 0

All mixtures contain only one kind of atom.

~Mschmindy

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Why are chemists interested in studying thermochemistry? a. Heat is often absorbed during reactions.b. Heat is often released du
Wittaler [7]

Answer:

a. Heat is often absorbed during reactions.

c. Heat is often released during chemical reactions.

Explanation:

Thermochemistry -

The study of thermochemistry involve the change in the amount of heat , during any physical or chemical process , is referred to as thermodynamics .

The focus of thermochemistry is on the changing amount of energy in the form of heat , on the system with respect to the surroundings .

The process like boiling , melting , sublimation , may require energy or releases energy , and hence are studied under thermochemistry .

Hence , from the given question ,

The correct options are -  a , c.

6 0
3 years ago
What element has the electron configuration 1s22s22p63s23p64s23d104p65s24d105p66s24f145d106p2?
Marina CMI [18]
<span>6s²4f¹⁴5d¹⁰6p²
6 shows that the element is in the 6 period,
6p² shows that the element is in the 14th group. (1 and 2 groups have s -electrons as last ones, 13 group has s²p¹, and 14 group has s²p²)
The element is Pb.

</span>
3 0
3 years ago
Read 2 more answers
How many atoms are there in 1.00g of na
Harlamova29_29 [7]

Answer: 2.62 x 10^22 atoms

Explanation:Please see attachment for explanation

5 0
3 years ago
Radioactive isotopes of an atom are
nikdorinn [45]
Less stable should be the answer.as I think
I hope this helps you
5 0
3 years ago
Read 2 more answers
What type of reaction is most likely to occur when barium reacts with fluorine? write the chemical equation for the reaction?
scZoUnD [109]
Answer is: this is synthesis reaction.<span> 
</span>Chemical reaction: Ba + F₂ → BaF₂.
Synthesis reaction<span> is a type of reaction in which multiple reactants combine to form a single product.
</span>In barium fluoride, barium has oxidation number +2 and fluorine has oxidation number -1, so compound has neutral charge.
6 0
3 years ago
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