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trasher [3.6K]
4 years ago
8

Which statement illustrates how engineering has influenced society?

Chemistry
2 answers:
just olya [345]4 years ago
6 0

Answer: It’s A.

A New, high-tech materials are used to make prosthetic limbs for

people who need them

Explanation: Took the test

Amanda [17]4 years ago
4 0

Answer:

i think O.C is correct answer

Explanation:

<h2>hope it's helps you </h2>

hello hi bye bye item until you know Nana Nana Nana Nana Nana Nana Nana Nana Nana Nana

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A piece of material with a mass of 755 g is heated to 84.5 c and added to 50 g of water at 5
lana [24]
Alright sorry you're getting the answer hours later, but i can help with this.
so you're looking for specific heat, the equation for it is <span>macaΔTa = - mbcbΔTb with object a and object b. that's mass of a times specific heat of a times final minus initial temperature of a equals -(mass of b times specific heat of b times final minus initial temperature of b)
</span>so putting in your values is, 755g * ca * (75 celsius - 84.5 celsius) = -(50g * cb * (75 celsius - 5 celsius))
well we know the specific heat of water is always 4180J/kg celsius, so put that in for cb
with a bit of simplification to the equation by doing everything on each side first you have, -7172.5 * ca = -14630000
divide both sides by -7172.5 so you can single out ca and you get, ca= 2039.74
add units for specific heat which are J/kg celsius and the specific heat of the material is 2039.74 J/kg celsius

6 0
4 years ago
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