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ArbitrLikvidat [17]
4 years ago
11

Forensic science is the application of science to what field?

Chemistry
2 answers:
adell [148]4 years ago
8 0
B.) Criminal Justice
Crazy boy [7]4 years ago
5 0

Forensic science is the application of science to Criminal Justice

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What is the wavelength of infrared radiation with a frequency of 3.85 x 10^12 Hz?
ELEN [110]

Answer:

Wavelenght is 7,79x10⁻⁵ m

Explanation:

The equation that connects wavelentgh (λ) and frequency (ν) is:

λ=c/ν

Where c is speed of light (3x10⁸ m/sec) and λ is expressed in lenght´s units and ν is expressed in "time⁻¹ " units (for example, sec⁻¹)

According to the details, if we just replace the given value of frequency, we just obtaing wavelenght data:

λ= (3x10⁸ m/sec)/(3,85x10¹² sec⁻¹) = 7,79x10⁻⁵ m

3 0
4 years ago
Which organic compound consists of the elements carbon, hydrogen, and oxygen and has carbon and hydrogen atoms in a 2:1 ratio?
NISA [10]

Answer:

A) Maltose

Explanation:

Maltose has the chemical formula of C12H22O11 which shows that it is composed of the elements carbon, hydrogen, and oxygen. Maltose also has carbon and hydrogen atoms in a 2:1 ratio.

3 0
4 years ago
La historia de la quimica se inicia con el descubrimiento de
Ipatiy [6.2K]

Answer:

Chemical science arises in the seventeenth century from the studies of alchemy popular among many of the scientists of the time. The basic principles of chemistry are considered to be collected for the first time in the work of the British scientist Robert Boyle: The Skeptical Chemist (1661).

6 0
3 years ago
I WILL MARK BRAINLIEST ANSWER!
Zina [86]

Answer:

1.

Explanation:

1. They are made up of two or more Pure substances that are not chemically bonded together and appear non-uniform

A heterogeneous mixture is not chemically combined and its components are visible and can be seen.

5 0
3 years ago
Read 2 more answers
The density of acetonitrile (CH3CN) is 0.786 g/mL, and the density of methanol (CH3OH) is 0.791 g/mL. A solution is made by diss
ololo11 [35]

Answer:

The answer to your question is  0.22

Explanation:

Data

Acetonitrile (CH₃CN) density = 0.786 g/ml

Methanol (CH₃OH) density = 0.791 g/ml

Volume of CH₃OH = 22 ml

Volume of CH₃CN = 98.4 ml

Process

1.- Calculate the mass of Acetonitrile and the mass of Methanol

density = mass/ volume

mass = density x volume

Acetonitrile

        mass = 0.786 x 98.4

                  = 77.34 g

Methanol

        mass = 0.791 x 22

                  = 17.40 g

2.- Calculate the moles of the reactants

Acetonitrile molar mass = (12 x 2) + (14 x 1) + (3 x 1)

                                        = 24 + 14 + 3

                                        = 41 g

Methanol molar mass = (12 x 1) + (4 x 1) + (16 x 1)

                                      = 12 + 4 + 16

                                      = 32 g

Moles of Acetonitrile

                     41 g ----------------- 1 mol

                      77.34g ------------  x

                      x = (77.34 x 1) / 41

                      x = 1.89 moles

Moles of Methanol

                      32 g -------------- 1 mol

                       17.40 g ---------  x

                       x = (17.40 x 1)/32

                       x = 0.54 moles

3.- Calculate the mole fraction of Methanol

Total number of moles = 1.89 + 0.54

                                       = 2.43

Mole fraction = moles of Methanol / total number of moles

Mole fraction = 0.54/ 2.43

Mole fraction = 0.22  

6 0
4 years ago
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