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quester [9]
3 years ago
8

Clay and organic matter generally have higher capacity for retaining nutrients than silt and sand.

Chemistry
2 answers:
ValentinkaMS [17]3 years ago
7 0
The answer is True.
Svetlanka [38]3 years ago
5 0
The answer is false  because clay have more silt and sand
 
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A sample of gas has a volume of 75.0 mL at 30.0 psi. Determine the pressure of the gas if its volume is changed to 15 mL and its
Assoli18 [71]

Answer:

5.995 psi

Explanation:

30 psi = 2.04 atm

75 mL = 0.075 L

15 mL = 0.015 L

0.075 L/ 2.04 atm = 0.015 L/x

0.075x = 0.0306

x = 0.408

0.408 atm = 5.995 psi

4 0
3 years ago
Write the electron configuration for the element titanium, Ti.
SOVA2 [1]

Answer:

[Ar] 3d^{2} 4s^{2}

Explanation:

You can look at the periodic table and figure out the electron config.

8 0
3 years ago
How many moles are 7.25 x 1023 formula units of Mgo ?
romanna [79]

Answer:

<h2>The answer is option D</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L}  \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{7.25 \times  {10}^{23} }{6.02 \times  {10}^{23} }  =  \frac{7.25}{6.02}  \\  = 1.2043189368...

We have the final answer as

<h3>1.20 moles</h3>

Hope this helps you

6 0
2 years ago
1<br> 13<br> 20<br> 7<br> 10<br> 9<br> 11<br> What number represents a mole?
Vilka [71]
11 I’m pretty sure.
7 0
3 years ago
Copper(II) nitrate forms a series of hydrates with the formula Cu(NO3)2.xH2O. These hydrates decompose to form copper(II) oxide.
maria [59]

Answer:

One mole is defined as the amount of substance containing as many elementary entities (atoms, molecules, ions, electrons, radicals, etc.) as there are atoms in 12 grams of carbon-12 (6.023 x 1023). The mass of one mole of a substance equals its relative molecular mass expressed in grams. Also spelled as mol.

6 0
3 years ago
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