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Juliette [100K]
2 years ago
11

A boy is being pushed on a swing. His older sister with a greater mass sits on the swing next. Which statement describes the cha

nge in motion if his sister is pushed with the same force?
Chemistry
2 answers:
anastassius [24]2 years ago
7 0
If the same force is exerted and she weighs more, her acceleration would be lesser than the brothers because a heavier object takes more time to accelerate when the same force is exerted.
Troyanec [42]2 years ago
3 0

Answer:

yes he forced up then avoid it

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I have my chemistry EOC tomorrow, and I need to know how to calculate the molar mass of a compound. Specifically ones set up lik
yuradex [85]

Answer:

357.475

Explanation:

First you need periodic table and you have to look for mass

Fe = 3 x 55.845 = 167.535

P = 2  x 30.97 = 61.94

o = 4 x 2 so 8 oxygen =  8 x 16 = 128

add all and you get 357.475

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Lelu [443]

Answer:

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Explanation:

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The modern atomic model states that electrons move sort of like what?
STatiana [176]
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3 years ago
Several general characteristics of metabolic reactions or reaction pathways are listed below. sort them into the appropriate met
Kobotan [32]
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8 0
3 years ago
Read 2 more answers
Calculate the change internal energy (ΔE) for a system that is giving off 65.0 kJ of heat and is performing 855 J of work on the
ollegr [7]

Answer:  -64.1 kJ.  

Explanation:

According to first law of thermodynamics:

\Delta E=q+w

\Delta E=Change in internal energy

q = heat absorbed or released

w = work done or by the system

w = work done by the system=-P\Delta V  {Work is done by the system is negative as the final volume is greater than initial volume}

w = -855 Joules = 0.855 kJ     (1kJ=1000J)

q = -65.0 kJ  {Heat released by the system is negative}

\Delta E=-65.0J-(-0.855J)=-64.1kJ

Thus the change internal energy (ΔE) for a system that is giving off 65.0 kJ of heat and is performing 855 J of work on the surroundings is -64.1 kJ.  

6 0
3 years ago
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