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nignag [31]
3 years ago
6

What force in liquids causes surface tension? covalent forces intermolecular forces intramolecular forces ionic forces.

Chemistry
1 answer:
artcher [175]3 years ago
7 0

Answer:

Intermolecular forces

Explanation:

Intermolecular forces cause surface tension.

Source info:
"Surface tension, capillary action, and viscosity are unique properties of liquids that depend on the nature of intermolecular interactions."

(11.S: Liquids and Intermolecular Forces (Summary)https://chem.libretexts.org )

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It is necessary to develop alternative sources of energy because____.
Bas_tet [7]

Answer:

scientists are uncertain of how long the resources will last.

Explanation:

It is hard to estimate how long certain natural resources will last because they are dependent upon the rate of consumption and other factors. There are many fields of studies going into alternative energy. Since the technology needed for some of these ideas will take time to be developed, alternative sources of energy must be found before the resources we already have run out.

8 0
3 years ago
Read 2 more answers
Energy that is not utilized for work or heat transfer is converted to the chemical energy of body fat containing about 39 kJ/g.
AnnZ [28]

Answer:

m=107.8g

Explanation:

Hello,

In this case, for the given information, we can compute the gained grams by firstly compute the energy consumed by 14.3 h of being sit relaxed and 9.70 h  of sleeping:

E_{sit}=120\frac{J}{s}*\frac{3600s}{1h}  *14.3h*\frac{1kJ}{1000J} =6177.6kJ\\\\E_{sleep}=83\frac{J}{s}*\frac{3600s}{1h}  *9.70h*\frac{1kJ}{1000J} =2898.36kJ

Then, we compute the energy used that day:

E_T=10000kJ-2898.36kJ-6177.6kJ=4203.28kJ

Finally, the mass by considering the consumed fat:

m=\frac{4203.28kJ}{39kJ/g} \\\\m=107.8g

Regards.

4 0
3 years ago
The output of a plant is 4335 pounds of ball bearings per week (5days) if each ball weighs .0113 g how many ball bearings does t
AfilCa [17]

The plant makes 3.50 × 10⁷ bearings per day

<em>Pounds of bearings</em> = 1 da × (4355 lb bearings/5 da) = 871.0 lb bearings

<em>Grams of bearings</em> = 871.0 lb bearings × (453.6 g bearings/1 lb bearings)

= 3.951 × 10⁵ g bearings

<em>No. of bearings</em> = 3.951 × 10⁵ g bearings × (1 bearing/0.0113 g bearing)

= 3.50 × 10⁷ bearings

5 0
3 years ago
What is cis and trans izomeric
oksano4ka [1.4K]
Cis-trans isomerism, also known as geometric isomerism or configurations isomerism is a term used in organic chemistry
4 0
3 years ago
Explain the law of conservation of energy. Give a specific example using kinetic and potential energy that shows how energy is c
Marrrta [24]

Answer:

The law of conservation of energy is a law of science that states that energy cannot be created or destroyed, but only changed from one form into another or transferred from one object to another. This law is taught in physical science and physics classes in middle schools and high schools, and is used in those classes as well as in chemistry classes. When playing pool, the cue ball is shot at a stationary 8 ball. The cue ball has energy. When the cue ball hits the 8 ball, the energy transfers from the cue ball to the 8 ball, sending the 8 ball into motion. The cue ball loses energy because the energy it had has been transferred to the 8 ball, so the cue ball slows down.

source cited below

Explanation:https://examples.yourdictionary.com/law-of-conservation-of-energy-examples.html

3 0
3 years ago
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