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krok68 [10]
2 years ago
14

What is two or more atoms chemically bonded together?

Chemistry
2 answers:
mezya [45]2 years ago
8 0

Explanation:

when they bond with each other the resultant chemical structure is molecule. the familiar water molecule is h2o

LekaFEV [45]2 years ago
5 0

Answer:

i belive its molecule

Explanation:

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Question 4, can you give me the rule for naming these?
Scorpion4ik [409]

3 ethyl, 4 methylheptane. The compound is named by first identifying the longest carbon chain in the structure. in this case the chain has seven carbon atoms thus the prefix hept-.

Next you identify the substituent groups attached to the long carbon chain and name them from the lowest value of the integer assigned to the carbon atoms from either side. From the right, the ethyl group is attached to carbon number 3 while from the left, the methyl group is attached to carbon number 4. We therefore start with the right and name the attached groups first, including the carbon atoms to which they are attached.

Then we also take into consideration the highest number of bonds between the carbon atoms which is one from the question. Thus the suffix -ane is added if a maximum of one bond, -ene,if two bonds and -yne if three bonds.

3 0
3 years ago
If an equal number of moles of the weak acid HF and the strong base KOH are added to water, is the resulting solution acidic, ba
s344n2d4d5 [400]

Answer:

Being a weak acid and a strong base, where it is diluted in a neutral medium such as water, the basic medium predominates, almost alkaline pH.

Explanation:

The acidity of the solution, being weak, means that its pH is not so low, therefore it will be easier to reach the values of 7 or 7 where alkalinity or basity is indicated.

6 0
3 years ago
Choose all the answers that apply. Sulfuric acid is found in acid rain. Its chemical formula is H2SO4. Which of the following is
AleksandrR [38]

Answer:

Looks like 2 hydrogen and sulfuric oxide 4

7 0
3 years ago
Which of the following forms a new substance? melting, evaporating, freezing or burning
Slav-nsk [51]
It would be burning be cause when you freeze, evaporate, or melt anything it is just changing how fast the atoms are moving . Think of it like water, ice, and steam, they are all the same thing but in different forms because of melting, evaporating,and melting. Burning is breaking it down.
4 0
3 years ago
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How many grams of Cl2 will be produced along with 250.0 kJ of heat in the following reaction? PCl5(g) + 87.9 kJ PCl3(g) + Cl2(g)
AfilCa [17]
250 kJ/87.9 KJ per mole Cl2 * 71g/mole= 202 g It is D for plato users
3 0
3 years ago
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