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serious [3.7K]
4 years ago
5

Someone help me plz.

Chemistry
1 answer:
prisoha [69]4 years ago
5 0

Answer:

In the first one in a it is red light in b it is radio waves in c it is infrared radiation and d is UV radiation

Explanation:

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What is an example in which a scientists might calculate the mean of a data set
gayaneshka [121]
An example is just when they have a a group o numbers, for any reason, and they want to find the average of then all

an example being um idk...numbers resulting from an experiment trying to find different densitys or something and they wanted to find the average density
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3 years ago
The following reaction can be written as the sum of two reactions, one of which relates to ionization energy and one of which re
Karo-lina-s [1.5K]
A)
First ionization energy of Li:
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B)
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8 0
3 years ago
.A gas occupies 25,3 mL at a pressure of 152 kPa. Find the volume if the pressure is
Strike441 [17]

Answer:

47.36mL

Explanation:

Using Boyles law equation, which states that:

P1V1 = P2V2

Where;

V1 = initial volume (mL)

V2 = final volume (mL)

P1 = initial pressure (atm)

P2 = final pressure (atm)

Based on the provided information, V1 = 25.3mL, P1 = 152 kPa, V2 = ?, P2 = 0.804atm

First, we need to convert 152kPa to atm by dividing by 101

1kPa = 0.0099atm

152kPa = 1.505atm

P1V1 = P2V2

1.505 × 25.3 = 0.804 × V2

38.08 = 0.804V2

V2 = 38.08/0.804

V2 = 47.36mL

5 0
3 years ago
What characteristics does an acid have
elena55 [62]

Answer:

acid is corrosive in nature

acid changes blue litmus to red

acid reacts with base to produce salt and water

4 0
3 years ago
The substance which is dissolved in a solution is called
Zielflug [23.3K]
The substance that dissolves in a solution is called a solute.

This is because a solution is made up of 2 parts, the solute, which dissolves to make the solution, and the solvent, which is the substance that dissolves the solute.

I hope this helps!!

8 0
3 years ago
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