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bearhunter [10]
3 years ago
5

Why is a bunsen burner flame hotter than a normal gas flame

Chemistry
1 answer:
MariettaO [177]3 years ago
7 0
While the normal gas flame can only produce a “operating” to “light blue” type of flame, the Bunsen burner can at least yield three types of flame. Consequently, the following: <span><span />

Operating flame
– which is yellow/orange in color, near 300° C. </span> <span><span>·     </span>

Blue flame – can be imperceptible under normal lighting conditions, near 500° C. The typically used laboratory type of flame.</span> <span><span>·    

</span>Roaring-blue flame – forms a triangular shaped in the center of the flame normally light blue in color and interestingly, it’s a sound-producing flame. Heat is near to 700° C. </span>

Imagine with this three kinds of flame produced and a Bunsen burner creates compared to a simple normal gas flame. In sense, the roaring-blue flame proves evident as to why Bunsen burner is hotter hence, the amount of heat it makes (700°C) it makes.  



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Define molecular mass. Calculate the molecular mass of calcium carbonate<br> and nitric acid.
irinina [24]

Answer:

HNO₃ =63.0147 g/mol

CaCO₃ = 100.088 g/mol

Explanation:

Molecular mass:

It is the sum of all the atomic masses of the atoms of elements present in a molecule.

For example:

The formula of CaCO₃:

Calcium carbonate consist of one atom of calcium, one atom of carbon and three atoms of oxygen. Thus, its molecular mass would be,

CaCO₃ = 40.078 × 1 + 12.01×1 + 16.00×3

CaCO₃ = 40.078 + 12.01+ 48

CaCO₃ = 100.088 g/mol

The formula of HNO₃:

Nitric acid consist of one atom of hydrogen, one atom of nitrogen and three atoms of oxygen. Thus, its molecular mass would be,

HNO₃ =1.008 × 1 + 14.0067 ×1 + 16.00×3

HNO₃ = 1.008 +14.0067 + 48

HNO₃ =63.0147 g/mol

5 0
4 years ago
We have a photon with the wavelength of 605 nm. What is the frequency of this<br> photon?
Kipish [7]

Answer:

Explanation:

Speed of light = Wavelength x Frequency.

605 nm x Frequency = 3x10^8 m/s

6.05 x 10^-7 m x Frequency = 3x10^8 m/s

Frequency = 4.96 x 10^14 Hz

3 0
3 years ago
Read 2 more answers
The laser in a 3D printer uses light with a frequency of 3.844 × 1014 Hz. Calculate the wavelength of this light in nm. Show all
Natali5045456 [20]

Answer:

The wavelength of this light is 780.4 nm.

Explanation:

Given that,

The frequency of laser light, f=3.844 \times 10^{14}\ Hz

We need to find the wavelength of this light.

We know that,

c=f\lambda

Where

\lambda is the wavelength of light

So,

\lambda=\dfrac{c}{f}\\\\\lambda=\dfrac{3\times 10^8}{3.844 \times 10^{14}}\\\\=7.804\times 10^{-7}\ m\\\\=780.4\ nm

So, the wavelength of this light is 780.4 nm.

5 0
3 years ago
Aqueous strontium sulfide and aqueous copper(II) sulfate
ryzh [129]

Answer: The reaction does occur.

Explanation: For the reaction of aqueous strontium sulfide and aqueous copper(II) sulfate, the reaction follows:

SrS(aq.)+CuSO_4(aq.)\rightarrow SrSO_4(aq.)+CuS(s)

This reaction is a type of precipitation reaction.

The precipitate formed is CuS which is black in color.

5 0
3 years ago
Which of the following is a diprotic acid? a. H2SO4 b. CH3COOH c. HC d. H3PO4
RUDIKE [14]

Answer:

The correct option is: A. H₂SO₄

Explanation:

Acid is a charged or a neutral molecule that is a proton donor and electron pair acceptors.

Acids can be classified into monoprotic acids and polyprotic acids.

Monoprotic acids are the acids that can release only one proton on dissociation.

Whereas, polyprotic acids are the acids that can release more than one proton on dissociation.

Diprotic acid is a type of polyprotic acid that can release two protons on dissociation. Example: H₂SO₄

4 0
4 years ago
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