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astraxan [27]
4 years ago
5

Which type of river is similar to a mature river, but flows more slowly so has less power to change the landscape? Select one: a

. Youthful River b. Mature River c. Old Age River
Chemistry
1 answer:
Ede4ka [16]4 years ago
5 0

Answer:

The correct option is;

C. Old Age River

Explanation:

Among the three stages of  the development of a river, which are the youthful, mature, and old age stages, the old age river is least dynamic

The water is very slow moving  with a low gradient and lesser erosive power to alter the landscape which results in the appearance of flood planes

Examples of old age rivers include, lower Ganges, lower Nile, Indus, and Yellow rivers

Old age rivers are characterized by a broad shape, with a wide flood plane, a very gentle gradient and the water current is low.

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This is for chemistry<br> I need help for this question
solong [7]

Answer:

what is the quetion.......

Explanation:

7 0
3 years ago
2.61 kilograms of water in a container have a pressure of 200 kPa and temperature of 200°C . What is the volume of this containe
Arisa [49]

<u>Answer:</u> The volume of the container is 2.8497m^3

<u>Explanation:</u>

To calculate the volume of water, we use the equation given by ideal gas, which is:

PV=nRT

or,

PV=\frac{m}{M}RT

where,

P = pressure of container = 200 kPa

V = volume of container = ? L

m = Given mass of water = 2.61 kg = 2610 g   (Conversion factor: 1kg = 1000 g)

M = Molar mass of water = 18 g/mol

R = Gas constant = 8.31\text{L kPa }mol^{-1}K^{-1}

T = temperature of container = 200^oC=[200+273]K=473K

Putting values in above equation, we get:

200kPa\times V=\frac{2610g}{18g/mol}\times 8.31\text{L kPa }\times 473K\\\\V=2849.7L

Converting this into cubic meter, we use the conversion factor:

1m^3=1000L

So, \Rightarrow \frac{1m^3}{1000L}\times 2849.7L

\Rightarrow 2.8497m^3

Hence, the volume of the container is 2.8497m^3

6 0
3 years ago
Which of the following best describes the only temperature and pressure at which all three states of a substance coexist in equi
topjm [15]
A) The triple point
The triple point of a system is the thermodynamic point where the pressure, composition and temperature are maintained at a specific value and all three phases of that substance, solid, liquid and gas, coexist. This equilibrium is disturbed if any of the above mentioned variables are changed. The degree of freedom at the triple point is described as being zero.
7 0
3 years ago
List the following aqueous solutions in order of increase in boiling point:
Korolek [52]

Answer:

0.1 m C6H12O6 < 0.1 m NaCl < 0.1 m Cu(NO3)2 <  0.1 m Fe(NO3)3

Explanation:

Step 1: Data given

ΔTb = Kb*m*i

⇒with Kb = 0.512°C/m

⇒with m = molality

⇒with  i = Van't hoff factor = the number of particles into which  the solute dissociates

a. 0.1 m NaCl

⇒ molality = 0.1 molal

⇒ i(NaCl) = 2 ( dissociates in Na+ and Cl-)

0.1 * 2 = 0.2

b. 0.1 m Cu(NO3)2

⇒ molality = 0.1 molal

⇒ i(Cu(NO3)2) = 3 ( dissociates in Cu^2+ and 2NO3-)

0.1 * 3 = 0.3

c. 0.1 m C6H12O6

⇒ molality = 0.1 molal

⇒ i(C6H12O6) = 1 ( doesn't dissociate in water)

0.1 * 1 = 0.1

d. 0.1 m Fe(NO3)3

⇒ molality = 0.1 molal

⇒ i(Fe(NO3)3) = 4 ( dissociates in Fe^3+ and 3NO3-)

0.1 * 4 = 0.4

0.1 m C6H12O6 < 0.1 m NaCl < 0.1 m Cu(NO3)2 <  0.1 m Fe(NO3)3

5 0
3 years ago
Elements on the periodic table are organized by what?
Sever21 [200]
Increasing atomic mass
8 0
3 years ago
Read 2 more answers
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