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ivann1987 [24]
3 years ago
6

In The Lord of the Rings, Frodo and Sam use a rope to rappel down a cliff. The rope was 30 ells long. How high was the cliff in

meters if the rope reached the bottom?
Chemistry
1 answer:
Tcecarenko [31]3 years ago
7 0

Answer:

324 meters

Explanation:

I don't really have an explanation

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A 40.0 mL sample of 0.18 M HCI is titrated with 0.36 M CoHsNH2. Dctermine the pH at these points: At the beginning (before base
Whitepunk [10]

Answer:

at the beginning:

pH = 0.745

Explanation:

HCl is a strong acid, so:

  • HCl + H2O  → H3O+  +  Cl-

       0.18 M             0.18        0.18.....equilibrium

before base is added:

∴ [ H3O+ ] ≅ <em>C </em>HCl = 0.18 M

⇒ pH = - Log [ H3O+ ] = - Log ( 0.18 )

⇒ pH = 0.745

8 0
3 years ago
How do many types of cells, like bacteria, reproduce?
umka2103 [35]

Answer:

cells like bacteria are bisexual so they split and their offspring is 100 percent like the parent and this process happens over and over

Explanation:

8 0
2 years ago
During an ice age, land can move and specific areas can be permanently changed. true or false
givi [52]

Answer: The given statement is true.

Explanation:

It is known that due to increase in temperature ice melts. Therefore, during ice age there is also melting of ice and solid state of water changes into liquid state of water.

Therefore, this water moves from its initial place and changes its position result in the change of land and specific areas.

Thus, we can conclude that the statement during an ice age, land can move and specific areas can be permanently changed is true.

5 0
3 years ago
a particular compound has the empirical formula CH2O. its molar mass is 240.0 g/mol. predict the molecular formula for this comp
jarptica [38.1K]
<span>The molecular formula is 8(CH2O)= C8H16O8.</span>
7 0
3 years ago
. The dissolving process is exothermic when the energy
Serhud [2]

Answer:

A

Explanation:

The dissolving process depends on the interaction between solute and solvent (solvation) and the breaking up of the intermolecular bond between solutes. The former is exothermic in nature, while the later is endothermic. Energy is released when solute-solvent particles interact. When this energy exceeds the energy required to break intermolecular bonds between the solute particles, dissolution is exothermic.

8 0
3 years ago
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