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nalin [4]
3 years ago
11

In this lab, you will do experiments to identify types of changes. Using the question format you learned (shown above), write an

investigative question that you can answer by doing these experiments.
Chemistry
1 answer:
Vlad1618 [11]3 years ago
4 0

Answer:

How can you distinguish a physical change from a chemical change?

Explanation:

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Jlenok [28]

Answer:

I can't see any picture?????

8 0
3 years ago
1.If 6 moles of KNO3 should be produced in a reaction, but only 4.78 mol KNO3 are produced, what is the % yield?
irakobra [83]

Answer:

79.7%

Explanation:

Percent yield of reaction is defined as the ratio between theoretical yield of a reaction and actual yield obtained.

In the problem, theoretical yield are 6 moles of KNO₃ and actual yield are 4.78 moles. Thus, percent yield is:

4.78 mol / 6 mol × 100 =<em> 79.7%</em>

3 0
3 years ago
When iron reacts with moist air to form rust, an ionic compound results because
UNO [17]
I am pretty sure it is d if i am wrong please tell me

4 0
3 years ago
PLZZZZZ HELPP How do you predict the bond length and energy would change if hydrogen formed a bond with Astatine (At)? ​
kkurt [141]

The bond length and energy of the bond formed between hydrogen (H) and astatine (At) would change if the bond order <u>increases</u> or <u>decreases</u> or when its potential energy is at the <u>lowest</u>.

<h3>What is bond length?</h3>

Bond length is also referred to as bond distance and it can be defined as an equilibrium distance between the nuclei of two (2) covalently bonded atoms in a molecule.

<h3>What is bond energy?</h3>

Bond energy can be defined as the amount of chemical energy that is required to break one mole of a given chemical bond.

In Chemistry, the bond length and energy of a molecule is typically determined by the following:

  • The bond order or number of bonded electrons.
  • The potential energy possessed by the molecule.

In conclusion, you can predict that the bond length and energy of the bond formed between hydrogen (H) and astatine (At) would change if the bond order increases or decreases or when its potential energy is at the lowest.

Read more on bond energy here: brainly.com/question/5650115

6 0
2 years ago
834-3529-0362<br> 4FZfFt<br> Zoom, 13-15 girls and boys.
Aleksandr [31]
Huh I don’t get it what is this
6 0
3 years ago
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