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babunello [35]
3 years ago
9

What is the total amount of work done when Danny lifted 25 pounds of weight over 5 meters and applying 30- Newtons of Force? ​

Chemistry
1 answer:
MariettaO [177]3 years ago
5 0

Answer:

Definition and Mathematics of Work

Calculating the Amount of Work Done by Forces

Potential Energy

Kinetic Energy

Mechanical Energy

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The following substances dissolve when added to water. Classify the substances according to the strongest solute-solvent interac
MissTica

Answer:

NH3 ------dipole - dipole forces

CH3OH ------ dipole - dipole forces

AlBr3 ------- ion - dipole forces

AlCl3 ------- ion - dipole forces

Explanation:

Let us recall that water is a polar molecule. This means that water has a positive as well as a negative end. NH3 also has a dipole. The interaction between solute and solvent dipoles leads to the dissolution of NH3 in water. Hence the strongest intermolecular force here is dipole - dipole forces.

Similarly, CH3OH  possesses a polar -O-H group which can interact with water via dipole - dipole interaction as its strongest intermolecular force.

As for AlBr3 and AlCl3, the two substances dissociate into ions in solution and these ions interact with the dipole in water via ion - dipole interaction as its strongest intermolecular interaction.

4 0
3 years ago
Key Na CE с - What does it mean if a compound ends in -ide?​
astra-53 [7]

Answer:

<u>This means that there are only two elements in the compound . </u>

Explanation:

N/A .

5 0
3 years ago
If an atom of nitrogen binds with three hydrogen atoms to form a molecule of ammonia, how many lone pairs of electrons does nitr
Allisa [31]

Hello,

Your question states: If an atom of nitrogen binds with three hydrogen atoms to form a molecule of ammonia, how many lone pairs of electrons does nitrogen have?

Your answer would be:

B. Three


Brainliest!?!


Hope this helps!


Have a great day:)


~Rendorforestmusic

6 0
3 years ago
Read 2 more answers
ANSWER FAST PLEASE!
Svet_ta [14]

C - Move into the cell, and the cell will shrivel.


8 0
3 years ago
What is the best way to study for a chemistry SOL? Does anyone have any good study links?
Artist 52 [7]

There are a lot of good study sets on Quizlet. type in one of your questions and there is a good chance that a set has all of the required information to know for your Chemistry SOL. Good Luck!

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3 years ago
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