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2 years ago

The property of water in which it attaches to another surface is known as: *

Chemistry

1 answer:

Vesnalui [34]2 years ago

5 0

Answer:

The property of water which makes it to attach or stick to another surface is Adhesion.

Explanation:

Adhesion is the characteristic ability a substance possess to stick to other substances. This is as a result of the covalent bond existing between the two hydrogen atoms and the one oxygen atom in the water molecule.

An example of the property of Adhesion is a water drop that stuck to the end of the pine needles

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Calculate number of grams in 1.15*10^21 molecules of P2O5

Vlada [557]

To go from molecules, we first need to convert to moles and then convert to grams.

To convert from molecules to moles, we need to divide by Avogadro's constant.

1.15*10^21 molecules * (1 mole/6.022*10^23 molecules) = 0.0019097 moles

To convert from moles to grams, we need to use the molar mass.

The molar mass of P₂O₅ is (2*30.98)+(5*16.00) = 141.96
You can find the molar mass using the periodic table.

0.0019097 moles * (141.96 grams/1 mole) = 0.2711 grams.

Since we have 3 significant digits in 1.15*10^21, that means our final answer is limited to 3 significant digits.

Your final answer is 0.271 grams.

6 0

3 years ago

In a neuron relaying a message to its neighbor, where do nerve impulses in a neuron travel to last?

natita [175]

To it's neighbor in neuron that's where he will travel last.

4 0

2 years ago

Paraphrase the first part of newton’s first law of motion

Zarrin [17]

An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction UNLESS acted upon by an unbalanced force.

5 0

3 years ago

Assume that the variables x and y are directly related. If k = 8, what is the value for each of the following polnts? Be sure

Ede4ka [16]

Calculus, originally called infinitesimal calculus or "the calculus of infinitesimals", is the mathematical study of continuous change, in the same way that geometry is the study of shape and algebra is the study of generalizations of arithmetic operations.

3 0

3 years ago

Dalton’s Law CalculationA mixture of H₂, N₂ and Ar gases is present in a steel cylinder. The total pressure within the cylinder

Zolol [24]

Answer:

A) The partial presssure of CO₂ is 167 mm Hg

B) The partial presssure of N₂ is 354 mm Hg

C) The partial presssure of Ar is 235 mm Hg

D) The partial presssure of H₂ is 86 mm Hg

Explanation:

Dalton's law of partial pressures is basically expressed by the following statement:

The total pressure of a mixture is equal to the sum of the partial pressures of its components.

So initially we have:

$P_{T}$ = total presure of the system (675 mm Hg).

$P_{N_2}$ = partial pressure of N₂ (354 mm Hg).

$P_{Ar}$ = partial pressure of Ar (235 mm Hg).

Using Dalton's law we can find the partial pressure of H₂:

$P_{T}=P_{N_2}+P_{Ar}+P_{H_2}$

675 mm Hg=354 mm Hg + 235 mm Hg + $P_{H_2}$

$P_{H_2}$ = 675 mm Hg - 354 mm Hg - 235 mm Hg

$P_{H_2}$ =86 mm Hg

If CO₂ gas is added to the mixture, at constant temperature, and the volume is the same, the difference between the new total pressure and the previous total pressure is equal to the partial pressure of CO₂.

$P_{T}=P_{N_2}+P_{Ar}+P_{H_2}+P_{CO_2}$

842 mm Hg= 354 mm Hg + 235 mm Hg + 86 mm Hg + $P_{CO_2}$

$P_{CO_2}$ = 842 mm Hg - 354 mm Hg - 235 mm Hg - 86 mm Hg

$P_{CO_2}$ = 167 mm Hg

4 0

2 years ago