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Iteru [2.4K]
4 years ago
13

1.) is H2SO4 a sulfuric acid or a sulfurous acid?

Chemistry
1 answer:
Lorico [155]4 years ago
3 0
1) is sulfuric acid
2)is nitrous acid
3)is hydrochlorous acid
4)is hydrobromous acid
5)is hydrophosphoric acid
6)is fluoric acid
7)is sulfuric acid
8)is chlorous acid
9)is nitric acid
10)is iodic acid
11)is acetous acid
12)is chlorous acid.
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Calculate the energy of a photon of light with<br> a frequency of 5.109 × 1016 Hz.
lyudmila [28]

Answer:

The energy of the photon is 1.718×10−26J.

Explanation:

The energy of the photon is

1.718 × 10 − 26J. You use the formula  E =\frac{hc}{λ}, where h is Planck's Constant,c is the speed of light, and λ is the wavelength of the photon.

E=\frac{hc}{λ}=\frac{6.626×10−34J⋅ s×2.998×108m⋅s-1}{11.56m} = 1.718×10−26J.

4 0
3 years ago
What happens when an atom forms an ion?
Snowcat [4.5K]

Answer:

An is formed when an atom loses or gains one or more electrons. Because the number of electrons in an ion is different from the number of protons, an ion does have an overall electric charge.

Explanation:

4 0
3 years ago
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What is the movement of air parallel to Earth's surface called?
loris [4]

Answer:

Wind is the movement of air parallel to Earth's surface.

8 0
3 years ago
You have a total body concentration of 300 mOsM and total body volume of 3 liters. If you add 0.5 L of a solution containing 150
Archy [21]

Answer:

The new total body concentration would be 300 mOsM

Explanation:

In order to do this, we need to convert all concentrations to moles.

First, with the total body concentration, we have the initial volume of 3 liters and the concentration of 300 M (I will omit til the end the part of mOs)

The moles of the body concentration in this volume is:

moles = M * V

moles = 300 * 3 = 900 moles

To this moles, we add 150 moles of NaCL so, the total moles now is:

moles = 900 + 150 = 1050 moles

Finally, we can calculate the concentration with the new volume of 3.5 L (the sum of 3 and 0.5 liters added):

M = 1050 / 3.5

<em>M = 300 mOsM</em>

<em>So the concentration remains the same as initial</em>

5 0
3 years ago
Which of the following statements are true? Fats that contain more unsaturated fatty acid residues than saturated fatty acid res
goldfiish [28.3K]

Answer:

The answers are in the explanation

Explanation:

Fats that contain more unsaturated fatty acid residues than saturated fatty acid residues are more likely to be liquid at room temperature. <em>TRUE. </em>The melting point of unsaturated fatty acid is lower than saturated fatty acids doing its chemicals liquid at room temperature. That is because the building blocks in saturated acids are more closer doing difficult its separation by heating.

Triacylglycerols (triglycerides) are carboxylic acids. <em>FALSE. </em>Triacylglycerols are esters of glycerol and fatty acids.

Saturated fats have lower melting points than do unsaturated fats. <em>FALSE. </em>As the first explanation, saturated fats are more closer doing difficult its separation.

Triacylglycerols (triglycerides) are composed of fatty acid residues and glycerol. <em>TRUE. </em>Triacylglycerols are esters of glycerol and fatty acids.

Unsaturated fats are more likely than saturated fats to be liquid at room temperature. <em>TRUE. </em>Unsaturated fats have a lower melting point that saturated fats.

I hope it helps!

4 0
3 years ago
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