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Papessa [141]
3 years ago
10

the volume of a substance must be measured several time during an experiment. which units should be used to measure the volume o

f the substance ​
Chemistry
1 answer:
bija089 [108]3 years ago
3 0

Answer:

Volume is often measured numerically using the International System of Units (SI unit), the cubic meter. for example volume of a cube is measured using a cubic centimeter (cm3), the metric system includes the liter (L) as a unit of volume, where one liter is the volume of a 10-centimeter cube.

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When balancing equations does po4 counts as one element or on p and 4 o?
Radda [10]
As one element .because po4 is phosphate for e.g.: NaPO4
3 0
3 years ago
Read 2 more answers
3 Apply Many scientific words, such as matter, also have everyday meanings. Use context clues to write your own definition for e
rodikova [14]

Answer:

Explanation:

Use context clues to write your own definition for each meaning of the word matter.

Example sentence

What is this gooey matter on the table?

Matter:

__________

Example sentence

Please vote! Your opinions matter.

Matter:

__________

3 0
2 years ago
If .758 moles of gas occupy a volume of 80.6L, how many moles will occupy a volume of 270.9L?
egoroff_w [7]

Answer:

n₂ = 2.55 mol

Explanation:

Given data:

Initial number of moles = 0.758 mol

Initial volume = 80.6 L

Final volume = 270.9 L

Final number of moles = ?

Solution:

Formula:

V₁/n₁ = V₂/n₂

V₁ = Initial volume

n₁ = initial number of moles

V₂ = Final volume

n₂ =  Final number of moles

now we will put the values in formula.

V₁/n₁ = V₂/n₂

80.6 L / 0.758 mol = 270.9 L/ n₂

n₂ = 270.9 L× 0.758 mol / 80.6 L

n₂ =  205.34 L.mol /80.6 L

n₂ = 2.55 mol

4 0
3 years ago
If a body with a mass of 4 kg is moved by a force of 20 N, what’s is the rate of acceleration ?
kaheart [24]

Answer:

The rate of acceleration is 5.

Explanation:

In order to calculate acceleration we need to divide the force by the mass.

Acceleration = net force/mass

In this case, it would be 20/4. Simplify that and we get 5.

6 0
3 years ago
How many moles of chlorine (Cl) atoms are in a sample of 1.72 × 1022 atoms?
Ainat [17]
<span>1mole of Cl atoms contain the Avogadro's number 6x10 exp 23(10 to the power of 23)
there for xmoles of Cl atoms is contained in 1.72x1022atoms
xmoles =1.72x1022 divided by 6x10exp 23
2.93 exp -23moles(2.93 x10 to the power of -23)



Hope It helped Let me know if did!!!!
</span>
3 0
3 years ago
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