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Lana71 [14]
3 years ago
13

 Based on the size and shape of the clasts in the sedimentary rock shown in the image, which classification would geologists mos

t likely apply to the rock?
      A. Conglomerate  B. Sandstone  C. Mudrock  D. Breccia​

Chemistry
2 answers:
lana [24]3 years ago
7 0

Answer:

The correct answer is option D, that is, breccia.

Explanation:

The clastic sedimentary rocks, which are formed of large angular pieces are termed as breccia. The gaps in between the large angular pieces are occupied with a matrix of smaller constituents and a mineral cement, which holds the rock together. The formation of breccia takes place when the angular and dissociated pieces of minerals or rock debris gather.

Veronika [31]3 years ago
3 0

Answer:

D. Brecci

The pattern of the rock below resembles the distinct pattern of brecci.

The pattern of conglomerate usually appears to be more round peices in the rock.  The pattern of brecci has a more shard like appearance.

Hope this helps,

One of the virtuosos on Brainly

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ludmilkaskok [199]
3. B
4. A
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4 0
3 years ago
In the flame test, barium ions produce a green flame whereas calcium ions produce a red flame. In your own words, explain these
deff fn [24]

Answer:

The Barium flame is green because it is a difficult flame to excite, therefore for it to trigger a flame it is necessary that it be too excited for it to occur.

The reddish color of calcium is due to its high volatility and it is sometimes very difficult to differentiate it from strontium.the compression of these elements is due to being able to make them work during combustion

Explanation:

The flame test is a widely used qualitative analysis method to identify the presence of a certain chemical element in a sample. To carry it out you must have a gas burner. Usually a Bunsen burner, since the temperature of the flame is high enough to carry out the experience (a wick burner with an alcohol tank is not useful). The flame temperature of the Bunsen burner must first be adjusted until it is no longer yellowish and has a bluish hue to the body of the flame and a colorless envelope. Then the tip of a clean platinum or nichrome rod (an alloy of nickel and chromium), or failing that of glass, is impregnated with a small amount of the substance to be analyzed and, subsequently, the rod is introduced into the flame, trying to locate the tip in the least colored part of the flame.

The electrons in these will jump to higher levels from the lower levels and immediately (the time that an electron can be in higher levels is of the order of nanoseconds), they will emit energy in all directions in the form of electromagnetic radiation (light) of frequencies characteristics. This is what is called an atomic emission spectrum.

At a macroscopic level, it is observed that the sample, when heated in the flame, will provide a characteristic color to it. For example, if the tip of a rod is impregnated with a drop of Ca2 + solution (the previous notation indicates that it is the calcium ion, that is, the calcium atom that has lost two electrons), the color observed is brick red .

3 0
3 years ago
Read 2 more answers
A mixture of methanol and methyl acetate contains 15.0 wt% methanol.
Usimov [2.4K]

The mixture flow rate in lbm/h = 117.65 lbm/h

<h3>Further explanation</h3>

Given

15.0 wt% methanol

The flow rate of the methyl acetate :100 lbm/h

Required

the mixture flow rate in lbm/h

Solution

mass of methanol(CH₃OH, Mw= 32 kg/kmol) in mixture :

\tt 15\%\times 200~kg=30~kg\\\\mol=\dfrac{mass}{MW}=\dfrac{30~kg}{32~kg/kmol}=0.9375~kmol

mass of the methyl acetate(C₃H₆O₂,MW=74 kg/kmol,85% wt) in 200 kg :

\tt 85\%\times 200=170~kg\\\\mol=\dfrac{170}{74}=2.297~kmol

Flow rate of the methyl acetate in the mixture is to be 100 lbm/h.

1 kg mixture = 0.85 .methyl acetate

So flow rate for mixture :

\tt \dfrac{1~kg~mixture}{0.85~methyl~acetat}\times 100~lbm/h=117.65~lbm/h

5 0
2 years ago
The elaboration likelihood model emphasizes the use of __________ persuasion and __________ persuasion methods. A. direct . . .
Angelina_Jolie [31]

Answer:

It's C, direct and peripheral.

Explanation:

Just took the test

6 0
2 years ago
Read 2 more answers
The temperature of a star is 6000K and its luminosity is 1000. Which type of star is it?
Lorico [155]

Answer:

Its probably none of those.

Explanation:

White dwarf temperatures can exceed 100,000 Kelvin according to NASA (that's about 179,500 degrees Fahrenheit). Despite these sweltering temperatures, white dwarfs have a low luminosity as they're so small in size according to NMSU.

4 0
1 year ago
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