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Vilka [71]
3 years ago
15

What tool would you use to test for hardness?

Chemistry
1 answer:
s344n2d4d5 [400]3 years ago
8 0

Answer: mohs picks

Explanation: hope its what you wanted

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Si en un planeta la presión atmosférica es mayor que 5,1 atm terrestres, los habitantes podrían nadar en ríos de dióxido de carb
Sphinxa [80]

Answer:

Los habitantes del planeta con una atmósfera superior a 5,1 atm de la Tierra, no estarían nadando en ríos de dióxido de carbono líquido

Explanation:

De las tablas de datos termodinámicos, la presión a la que el vapor de dióxido de carbono está en equilibrio con su estado líquido a una temperatura ambiente de 25 ° C es 6,401 kPa, lo que equivale a 63,17296 atm.

Por lo tanto, a una presión de 5.1 de la atmósfera terrestre, el dióxido de carbono es completamente gaseoso y los habitantes del planeta con una presión atmosférica de 5.1 atm de la Tierra todavía observarían solo hidrógeno gaseoso y no estarían nadando en ríos de dióxido de carbono líquido.

5 0
2 years ago
Why is it more accurate to say that the concentration of a solution of acetic acid is 0.01 f rather than 0.01 m?
olasank [31]

A 1 F solution stands 1 formula unit per litre and 0.01 F describes the concentration of solution with no deliberation for the real form of existence of species.

Molarity is defined as the ratio of moles of solute to the volume of solution in litres and it is used to describe formality. For accuracy, it is essential to expressed molarity of each species. In case of acetic acid, the molarity of acetic acid molecules is less than 0.01 M due to dissociation.

Thus, it is more precise to say that the concentration of a solution of acetic acid is 0.01 F instead of 0.01 M.

4 0
3 years ago
Read 2 more answers
What is inertia?
Savatey [412]

Answer:

A

Explanation:

The answer would be A because Inertia is when a property of matter remains unchanged.

4 0
2 years ago
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What is the total number of neutrons in an atom of 0-18?
AVprozaik [17]
A = mass number, A = protons + neutrons 
Z = atomic number, Z = protons 
neutrons = A - Z 
neutrons = 18 - 8 = 10 
3 0
2 years ago
Read 2 more answers
What is reproduction
Zolol [24]
The action or process of making a copy of something.
3 0
3 years ago
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