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nignag [31]
4 years ago
5

Explain the work energy theorem including the direction energy moves and how it relates to positive and negative work

Chemistry
2 answers:
Setler79 [48]4 years ago
6 0

Answer and Explanation:

The working-energy theorem defines work as the energy change brought on by the velocity change. The environment has acted on the object and it increases the energy of the object. When an object's velocity decreases, the object has worked on the world, and the object's energy decreases.

Unless the displacement is in the reverse direction and the force applied, then the work performed is negative. If the displacement is in the same direction and the force applied, then the work performed is positive.

laila [671]4 years ago
6 0

Answer:

Work is the change in energy brought about by a change in velocity.  

When the velocity of an object increases, the environment has done work on the object and the energy of that object is increased.  

When the velocity of an object decreases, the object has done work on the environment and the energy of the object is decreased.

Explanation:

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How many moles of c6h14 contain 9.25 × 1024 molecules of c6h14?
lyudmila [28]
According to Avagadros law 1 mole of a substance contains 6.02 × 10^23 particles.
Thus, 1 mole of C6H14 contains 6.02 × 10^ 23 molecules,
Therefore, 9.25 × 10^24 molecules will have; 
      (9.25 × 10^24)/ (6.02 ×10^23) 
   =  15.365 moles.
6 0
3 years ago
What is the shortest day of the year known as? A.vernal B.equinox C.winter D.solstice summer solstice E.autumnal equinox
Olegator [25]

Answer:

summer solstice

Explanation:

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3 0
3 years ago
The following data was collected when a reaction was performed experimentally in the laboratory.
Reptile [31]

The maximum amount of AlCl_3 produced during the experiment can be find out by knowing the Limiting Reagent.

Here, The maximum amount of AlCl_3 produced during the experiment is  400 grams

<h3>What is Limiting reagent ?</h3>

The limiting reagent (or limiting reactant or limiting agent) in a chemical reaction is a reactant that is totally consumed when the chemical reaction is stopped.

Now, According to the question,

Given ;

Number of moles of Al(NO_3)_3 - 4 moles

Number of moles of NaCl - 9 moles

To Find - Maximum amount of AlCl_3 produced during the reaction.

Solution ;

complete reaction ;

Al(NO_3)_3  + 3NaCl -->   3NaNO_3 + AlCl_3

To find the maximum amount of AlCl_3 produced during the reaction,

we need to find the limiting reagent.

Mole ratio Al(NO_3)_3  = 4/1 = 4

Mole ratio NaCl = 9/3 = 3

Thus, NaCl is the limiting reagent in the reaction.

Now, 3 moles of NaCl produces 1 mole of   Al(NO_3)_3

9 moles of NaCl will produce = 1/3 x 9 = 3 moles.

Weight of   Al(NO_3)_3 = 3 x 133.34 = 400 grams

Thus, 400 grams of   Al(NO_3)_3  is the maximum amount of   Al(NO_3)_3 produced during the experiment.

Learn more about Limiting Reagent Here ;

brainly.com/question/20070272

#SPJ1

8 0
2 years ago
Which type of bond is formed from sharing electrons?
Harrizon [31]
Covelant molecules are formed d
7 0
4 years ago
Calculate the mass of potassium acid phthalate (HKC8H4O4) that will require about 15 mL of the approximately 0.1 M NaOH solution
LuckyWell [14K]

Answer:

0.31 g

Explanation:

The equation of the reaction;

HKC8H4O4(aq) + NaOH(aq) ----> Na(KC8H4O4)(aq) + H2O(l)

Number of moles of NaOH = 15/1000 L × 0.1 M

= 0.0015 moles

Since the reaction is 1:1, 0.0015 moles of KHP reacted;

Number of moles of KHP = mass of KHP reacted/molar mass of KHP

Mass of KHP = Number of moles of KHP × molar mass of KHP

Mass of KHP = 0.0015 moles × 204.22 g/mol

Mass of KHP = 0.31 g

6 0
3 years ago
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