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saveliy_v [14]
3 years ago
15

Suppose that 3.74 ml of carbon dioxide (C02) accidentally escaped during the experiment, what volume in liters would that be

Chemistry
1 answer:
Lynna [10]3 years ago
4 0
2.5 is my best guess .-.
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An x-ray has a wavelength
goldfiish [28.3K]

Answer:

C

Explanation:

For electromagnetic waves frequency X wavelength = speed of light

                                                f * 2.2 x 10^-11  = 3 x 10^8  m/s

                                         f = 3 x 10^8 / 2.2 x 10^-11

                                            = 1.36 x 10 ^19

                                             = 1.4 x 10^19   with two significant digits

5 0
2 years ago
In the reaction
user100 [1]

Answer:

a) KOH

Explanation:

In the given balanced reaction

                         2K + 2H2O → 2KOH + H2

In the compound KOH,

The elements are K,O, and H and in the compound, there is one mole each of K , O ,and H.

So the element ratio here is 1 : 1 : 1.

7 0
3 years ago
Read 2 more answers
The duration (length of time) of a lunar eclipse is
vlada-n [284]

Answer:

It is longer than a solar eclipse

7 0
3 years ago
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Which particle diagram represents a mixture of three substances
Anni [7]

Following the key in the diagram (see the attached image), the only particle diagram that represents a mixture of three substances is diagram 2.

To simplify it, let us replace the key in the diagram as follows;

  1. atom of one element = A
  2. atom of different element = B

Diagram 1 consists of only AA and AB

Diagram 2 consists of AA, BB, and AB.

Diagram 3 consists of AA and ABA

Diagram 4 consists of AA and BAB

Thus, only diagram 2 has a mixture of 3 substances.

More on mixtures can be found here: brainly.com/question/6594631

4 0
3 years ago
Please help me:) thanks!
Cloud [144]

Answer:

2Cl2 has 4 atoms

NaOH has 3 atoms

CaCO3 has 5 atoms

Explanation:

4 0
3 years ago
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