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OLga [1]
2 years ago
5

Which of the following would be expected to have the highest surface tension?

Chemistry
1 answer:
True [87]2 years ago
8 0

Answer: Ch4 i think

Explanation: i try my best

hope this helps have a nice day

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Tomtit [17]

the correct answer is option d.

6.67*10-3 hrs

7 0
3 years ago
The week of Feb. 29, 2016, PBS aired a documentary on sending humans halfway to space in the late 1950’s using balloons. They fi
KengaRu [80]

Answer:

Hydrogen

Explanation:

Balloons are filled with light gases in order to make them float. Helium and Hydrogen are both light gases.

Helium is quite a lot lighter than air: it's about an eighth of the density of air. Hydrogen is about a sixteenth the density of air, so it'll float in air and will in fact float upwards.

Hydrogen however is twice as heavy as helium, but that doesn't mean the amount of lift off of the balloon is twice as much. The amount of lift is determined by the difference in density with respect to air.

Hydrogen is calculated to be less dense than helium, that explains why hydrogen filled balloons would go up higher.

Helium filled balloons are used because of the safety implications. The problem is that hydrogen is explosive may have some health and safety implications! Helium is much more safe to use.

8 0
3 years ago
What is the word equation of 1 H2 + 1 Cl2 → 2 HCI
Tom [10]

Answer:

1 dihydrogen reacts with 1 chlorine to form two hydrogen chloride (edit: hydrogen chloride is also referred to as hydrochloric acid)

5 0
3 years ago
A chemist has two large containers of sulfuric acid solution, with different concentrations of acid in each container. Blending
vitfil [10]

Answer:

0.015% and 0.012%

Explanation:

using simultaneous equation

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3 years ago
______ use energy from their enviornment to make food .
wlad13 [49]

Answer:

autotrophs

Explanation:

3 0
3 years ago
Read 2 more answers
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