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iragen [17]
3 years ago
9

The rate of geologic processes can happen quickly or take a long time.

Chemistry
1 answer:
erik [133]3 years ago
7 0

Answer:

Take a long time

Explanation:

Geology is defined as a science mostly concerned with the study of the history of the earth as recorded in different rocks formations.

Geologic processes are events that occur on a geological timescale which may span across many centuries.

The four major geologic process are known to include; impact cratering, volcanism, tectonics, and erosion.

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A control group is an essential part of an
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3 years ago
The instrument used to measure the volume of a liquid is the...
hjlf

Answer:

Chemists use beakers, flasks, burets and pipets to measure the volume of liquids.

Explanation:

8 0
3 years ago
A solution is formed by mixing 15.2 g KOH into
nikitadnepr [17]

Answer:

There are approximately 0.271\; \rm mol of formula units in that \rm 15.2\; g of \rm KOH (the solute of this solution.)

Explanation:

A solution includes two substances: the solute and the solvent. Note the solution here contains significantly more water than \rm KOH. Hence, assume that water is the solvent (as it is in many other solutions.)

The (molar) formula mass of \rm KOH is necessary for finding the number of moles of

  • One \rm K atom,
  • One \rm O atom, and
  • One \rm  H atom.

The formula mass of \rm KOH will thus be the sum of:

  • The mass of one mole of \rm K atoms,
  • The mass of one mole of \rm O atoms, and
  • The mass of one mole of \rm H atoms.

On the other hand, the mass (in grams) of one mole of atoms of an element is (numerically) the same as its relative atomic mass. The relative atomic mass data can be found on most modern periodic tables.

Relative atomic mass data from a modern periodic table:

  • \rm K: 39.098.
  • \rm O: 15.999.
  • \rm H: 1.008.

For example, the relative atomic mass of \rm K (potassium, atomic number 19) is 39.098 (3 sig. fig.) Hence, the mass of one mole of

The formula mass of \rm KOH is the sum of these three masses:

\begin{aligned}& M(\mathrm{KOH}) \\ &\approx 39.098 + 15.999 + 1.008 \\ &= 56.105\; \rm g \cdot mol^{-1}\end{aligned}.

The number of moles of \rm KOH formula units in this 15.2\; \rm g sample would be:

\begin{aligned}n &= \frac{m(\mathrm{KOH})}{M(\mathrm{KOH})} \\ &\approx \frac{15.2\; \rm g}{56.105\; \rm g \cdot mol^{-1}} \approx 0.271\; \rm mol \end{aligned}.

6 0
3 years ago
what is the reason for the difference between the values of the dry adiabatic lapse rate and the moist adiabatic lapse rate?
aalyn [17]
Latent heat released during condensation offsets some of the cooling of a rising air parcel, causing the moist adiabatic lapse rate to have a smaller value.
6 0
2 years ago
Media X contains 2mM glucose, 5% NaCl and 10mM beef extract. This is an example of a (COMPLEX/DEFINED) media.
konstantin123 [22]

Answer:

Complex media.

Explanation:

In a defined medium the exact composition of each component is known and it contains pure ingredients. In a complex medium, the exact composition of each component is unknown and it often contains extracts of animal or plant tissues (whose exact composition is unknown). In this case, media X contains beef extract, which is an undefined ingredient so it is a complex medium.  

5 0
3 years ago
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