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Paul [167]
1 year ago
7

PLEASE HELP WILL GIVE BRAINLY AND 5 STARS

Chemistry
1 answer:
Rashid [163]1 year ago
4 0

Answer:

2) It can be performed in natural settings

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Does a periodic table indicate the occurrence of elements​
guajiro [1.7K]

Answer:

no

Explanation:

it only shows the atomic number and basically the chemical behavior of the element

5 0
3 years ago
Balance the following equation <br><br><br> _NaOH (aq) + _HNO3 (aq)&gt; _NaNO3 (aq)+ _H2O (1)
Vlada [557]
Its already balanced, no balancing required
6 0
3 years ago
Which of the following increases the average kinetic energy of colliding particles
Solnce55 [7]
I'm pretty sure the answer is Temperature
5 0
3 years ago
Percent concentration is one of the most common and basic concentration measurement used by general public. true or false?
Aleksandr [31]

Answer:

  • <u>TRUE:</u> <em>Percent concentration is one of the most common and basic concentration measurement used by general public</em>

Explanation:

In chemistry there are many <em>concentration measurements</em> used to describe the mixtures. Some of them are, percent, molarity, molality, and molar fraction, among others.

Percent concentration is a popular one because it is commonly understood and used by the non specialist people, i.e. general public.

The percent concentration of a component is defined as: (amount of component in the mixture / amount of mixture) × 100.

The amounts may be measured in mass units (e.g grams) or volume units (e.g. mililiters).

For solutions, mass percent concentration is:

  • % = (mass of solute / mass of solution) × 100.

And voluem percen contration is:

  • % = (volume of solute / volume of solution) × 100

Since percentage is used in many profesional and personal activities, most persons use it.

For example, rubbing alcohol, that everyone buys in pharmacies, is 70%; vinager, used in the food, is acetic acid at 5% - 8%.

5 0
3 years ago
3. Calculate the answers to the appropriate number of significant figures. e) 43.678 x 64.1 = f) 1.678/0.42 =
Sophie [7]
Where’s the pictures
8 0
3 years ago
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