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vesna_86 [32]
3 years ago
15

PH

Chemistry
2 answers:
maxonik [38]3 years ago
6 0

Answer:

C) chemical properties

Explanation:

These may all be classified as chemical properties of a substance. A chemical property is a property that may be observed during a chemical reaction with another substance.

Orlov [11]3 years ago
5 0

Explanation:

A chemical property is defined as the property that brings changes in chemical composition of a substance.

For example, flammability, combustion, reactivity, electronegativity etc are allchemical properties.

On the other hand, a property that does not bring any change in chemical composition of a substance is known as a physical property.

For example, shape, size, mass, density etc are all physical properties.

Thus, we can conclude that these may all be classified as chemical properties of a substance.

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Measure of the average kinetic energy of molecules in an in an object
algol13
Yes because molecules is solid
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2 years ago
What's the volume of one mole of an ideal gas at Standard Temperature and Pressure? Question 17 options: A) 11.2 L B) 22.4 L C)
mel-nik [20]

Answer:

=zero degrease, 1 atm)? so the volume of an ideal gas is 22.l/mol at STP this, 22l.4Lis probably the most remembered and least useful number in chemistry

4 0
2 years ago
How many grams are in 1.70 moles of Ca(NO3)2?
Andru [333]

The number of grams in 1.70 moles of Ca(NO₃)₂ is 384.2 grams

<h3>How to determine the mass of Ca(NO₃)₂</h3>

The mole of a substance is related to it's mass and molar mass according to the following equation:

Mole = mass / molar mass

With the above formula, we can determine the mass of Ca(NO₃)₂ as illustrated below:

  • Mole of Ca(NO₃)₂ = 1.70 moles
  • Molar mass of Ca(NO₃)₂ = 40 + 3[14 + (16 × 3)] = 40 + 3[14 + 48] = 40 + 3(62) = 40 + 186 = 226 g/mol
  • Mass of Ca(NO₃)₂ = ?

Mole = mass / molar mass

1.70 = Mass of Ca(NO₃)₂ / 226

Cross multiply

Mass of Ca(NO₃)₂ = 1.70 × 226

Mass of Ca(NO₃)₂ = 384.2 grams

Thus, the mass of 1.70 moles of Ca(NO₃)₂ is 384.2 grams

Learn more about mole:

brainly.com/question/13314627

#SPJ1

4 0
1 year ago
How do I find the slope of this graph?​ Is it even possible?
nasty-shy [4]

Answer:

Not exactly But you can take the slope of the curved portion and the slope of the flatline.

It wont do you much good since your working for absorbance but if you ever see something like a temperature change you can use the slope(s) to find freezing points/melting

Explanation:

If you need to submit a slope you could use a best fit which is just point to point or you could break it up like i mentioned

4 0
2 years ago
How is a mole defined?​
sattari [20]

A mole of a substance is defined as: The mass of substance containing the same number of fundamental units as there are atoms in exactly 12.000g of 12C. Fundamental units change depending on the substance.

6 0
3 years ago
Read 2 more answers
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