3 years ago

Which is an example of making a quantitative observation?

Chemistry

1 answer:

Elanso [62]3 years ago

4 0

Answer:

A) measuring mass of metal used in a reaction

Explanation:

Quantitive observations is data involving statistics and numerical values.

You might be interested in

When we combine two simpler substances into a more complex one, it is known as a reaction.

Nata [24]

Answer:

It would be known as a chemical reaction or a chemical compound.

3 0

3 years ago

What is the name of SnF2

Inessa [10]

Answer:

Tin (II) Fluoride......

7 0

3 years ago

How do you define medium and high level profession?according to class 8?

abruzzese [7]

Answer:

Answer: medium level profession can be defined as some one who has moved past entry level but isn't nearing the end . whereas high level profession means a person has moved past entry level and also has reached the end.

3 0

3 years ago

Determine the number of grams in each of the quantities<br><br> 1.39.0 x 1024 molecules Cl2

STatiana [176]

Mass of Cl₂ : 164.01 g

<h3>Further explanation</h3>

A mole is a number of particles(atoms, molecules, ions) in a substance

This refers to the atomic total of the 12 gr C-12 which is equal to 6.02.10²³, so 1 mole = 6.02.10²³ particles

Can be formulated :

N = n x No

N = number of particles

n = mol

No = 6.02.10²³ = Avogadro's number

mol Cl₂ :

$\tt n=\dfrac{N}{No}\\\\n=\dfrac{1.39.10^{24}}{6.02.10^{23}}\\\\n=2.31$

mass Cl₂(MW=71 g/mol) :

$\tt mass=mol\times MW\\\\mass=2.31\times 71=164.01$

8 0

3 years ago

Elements have been discovered with up to ____ energy levels.

qaws [65]

im not sure but i think

8 0

3 years ago