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Shalnov [3]
4 years ago
13

The surface tension of water _is because it's molecules form_.

Chemistry
1 answer:
Furkat [3]4 years ago
3 0

Answer: water has a high surface tension because the water molecules on the surface are pulled together  by strong hydrogen bonds. That means a drop of water will ´´want´´ to have the smallest possible surface area. The shape that has the smallest possible area for a given area is a sphere.

Explanation:hope this helps!

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. Is it possible to have an oxygen atom with 8 protons and another oxygen atom with 9 protons? Explain.
Scorpion4ik [409]

Answer:

no

Explanation:

changing the number of protons will change the atomic number, and if the atomic number is changed, it will become a different element. if you give oxygen 9 protons, it would no longer be oxygen, it would be fluoride.

3 0
3 years ago
Calculate the root mean square (rms) average speed of the atoms in a sample of xenon gas at 0.15 atm and -55c
GrogVix [38]
Answer:
Vrms is 149.7266 m/sec

Explanation:
The root means square velocity of a gas can be calculated as follows:
Vrms = \sqrt{ \frac{3RT}{M}}
where:
R is the ideal gas constant = 8.3145
T is absolute temperature = -55 + 273 = 118 degrees kelvin
M is the molar mass of the gas = 131.293 grams = 0.131293 kg

Substituting with these givens in the above equation, we would find that the Vrms is 149.7266 m/sec

Hope this helps :)
7 0
4 years ago
35.10 g of aluminum hydroxide is allowed to react with 53.94 g of sulfuric acid as follows:2Al(OH)3(s) + 3H2SO4(aq) -------->
ikadub [295]

Answer:

62.586 gram

Explanation:

moles of Al(OH)3 = mass / molar mass = 35.1 / (27+17x3) = 0.45 mol

moles of H2SO4 = mass / molar mass = 53.94 / (2+32+16x4) = 0.55 mol

H2SO4 is the limiting reagent (reacts completely)

⇒ moles of Al2(SO4)3 is worked out by moles of H2SO4

moles of Al2(SO4)3 = moles of H2SO4 / 3 = 0.183 mol

mass of Al2(SO4)3 = mole x molar mass = 0.183 x (27x2 + 96x3) = 62.586 gram

8 0
3 years ago
Which of the following describes the degree to which molecules of one substance are attracted to the molecules of another substa
Arada [10]
The answer is adhesion
5 0
4 years ago
Read 2 more answers
When vinegar and baking soda are combined bubbles begin to form. Bubbles are evidence of a chemical reaction because they
Varvara68 [4.7K]

Answer:

bubbled

Explanation:

its simple they bubbled

signs of chemical reactions are change of

odor

bubbles

solid turns liquid

liquid turns solid

change of color

7 0
4 years ago
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