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pav-90 [236]
3 years ago
11

What new information can you add to your definition of physical change ?

Chemistry
1 answer:
Mamont248 [21]3 years ago
7 0
Its reversible, soluble, <span>mass, density, color, boiling point, temperature, and volume. </span>
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To convert from mass of X to liters of Y in any stoichiometry problem, the following steps must be followed
gizmo_the_mogwai [7]

Answer:

A. mass X to moles X to moles Y to liters Y

Explanation:

Remember: moles are the great converter. They're basically just a made-up concept meant to facilitate conversions!

Starting with mass X, you must then convert to moles X.

Once you have moles X, convert  moles Y. Think of a chemical equation: the mole ratios are the coefficients!

Once you have moles Y, all you have to do is convert to liters Y. You can do this with the molarity equation M = mol/L, or if it's a gas at STP you know the conversion!

6 0
3 years ago
___________ is the scale used to describe how acidic or basic a solution is. This affects the enzymes within living systems.
nydimaria [60]

Answer:

pH scale

Explanation:

pH scale -

In the field of chemistry , the accurate and exact value of acidity or basicity in a particular solution is calculated with the help of a pH scale .

The scale has reading ranging from 1 to 14 ,

where ,

  • If the pH value less than 7 indicates the solution to be acidic in nature ,
  • If the pH value is exactly equal to 7 , the solution is neutral in nature ,

and ,

  • If the pH value more than 7 indicates the solution to be basic in nature ,

Hence , from the given statement of the question ,

The correct answer is pH scale .

3 0
3 years ago
If the total number of H30+ ions are greater than the OH- the resulting solution will be?​
Solnce55 [7]

Answer:

acidic

Explanation:

The number of H+ and OH- ions are how pH is calculated

since pH is -log [H+]  more H+ ions create a more acidic solution

7 0
3 years ago
Is mendelevium flammable
Alik [6]
No it is not flammable
6 0
2 years ago
Please answer!! I WILL GIVE EXTRA POINTS AND BRAINLIEST
sveta [45]
The answer is D I believe
5 0
4 years ago
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