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sveta [45]
3 years ago
13

To describe the length of a classroom, a student should use

Chemistry
2 answers:
Kamila [148]3 years ago
8 0
The answer is D).....
steposvetlana [31]3 years ago
7 0

The answer is d because you are measuring a classroom

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True or False: Your blood is a neutral solution.
MaRussiya [10]

Answer:

True

Explanation:

Neutral solutions maintain a pH of 7. Water and human blood are great examples of neutral solutions. Acids mixed with bases can be neutralized and given a pH of 7.

8 0
3 years ago
Identify each of the following sets of quantum numbers as allowed or not allowed in the hydrogen atom.
Westkost [7]

Answer:

See explanation.

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to firstly recall the electron configuration of hydrogen:

1s^1

To realize that the principal quantum number is 1, the angular is 0 as well as the magnetic one; therefore we infer that all the given n's are not allowed, just l=0 is allowed as well as ml=0 yet the rest, are not allowed.

Best regards!

5 0
3 years ago
Match: Substance ....... Definition Lewis acid A. Provides H+ in water Bronsted-Lowry base B. Provides OH - in water Arrhenius b
Igoryamba

Answer: F.    Electron pair acceptor

Explanation:

A Lewis acid can be properly defined as any substance such as  H+ (hygrogen ion) that can accept a pair of electron.

While a Lewis base is any substance such as (OH-) that can donate a pair of electron.

In the neutralization reaction between an acid ( H+ ) and a base (OH-). Hydrogen ion (H+ ) is the Lewis acid because it accepts an electron pair from (OH-).

Other examples of Lewis acid are;  Mg2+, K+

3 0
3 years ago
In a parallel circuit, there is only one path for current to take.<br> true or false
OlgaM077 [116]
The answer is true!!!!!!!!!!!!!!!!!!!!!!!
6 0
3 years ago
Read 2 more answers
A sample of no2 occupies 16,500 ml at stp. How many no2 molecules are in the sample?.
svet-max [94.6K]
here it is! mL to Liters to moles to molecules

6 0
2 years ago
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