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dezoksy [38]
3 years ago
15

Boyle's Law Problems Charles' Law Problems ​

Chemistry
1 answer:
zysi [14]3 years ago
8 0

Answer:

here are the answers babe. Feel free to ask for more

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1.What is the specific heat capacity of granite when 20 kg absorbs 237 000 J of heat energy, causing its temperature to increase
Natalka [10]

<u>Given</u> :

  • Amount = 20 kg
  • Heat energy absorbed = 237,000 J
  • Temperature change = 15 °C

<u>Formula applied</u> :

\boxed {Q = mc \triangle T}

  • Q = absorbed heat
  • m = mass
  • c = specific heat capacity
  • ΔT = temperature change

Let's solve for c !

⇒ 237,000 = 20 × c × 15

⇒ c = 237,000 ÷ 300

⇒ \boxed {c = 790 J kg^{-1} K^{-1}}

∴ The specific heat capacity of granite is <u>790 J kg⁻¹ K⁻¹</u>.

5 0
1 year ago
The best definition of a proxy record is:
Rashid [163]
I believe the answer is option D !!
3 0
3 years ago
When a liquid is placed inside a GRADUATED cylinder, and it has a dipped look in the center. what do we call this?
valentina_108 [34]

❤Bree here! I hope this helps you hun!❤

Graduated cylinder or measuring cylinder, commonly used in the laboratories, is a large cylindrical column used to measure the quantity of a solvent or a liquid. The liquid is poured in the  measuring cylinder to the desired amount. The gradations marked over the measuring cylinder give the exact amount of liquid poured. This gradation or scale is read by recording the line on the scale touched by the bottom of the meniscus of a liquid. Meniscus is the concave shaped surface of the liquid.  

(Please mark me brainliest)

卍THANKS! :P卐

5 0
3 years ago
Discovered in the late 1800s and fundamental to important technological advances of the 20th century, _______ silently transmit
kozerog [31]

Radio waves. Microwaves would cook the earth, seismic waves would just cause earthquakes everywhere, and infrared waves would also cook the earth.

7 0
3 years ago
Read 2 more answers
1. ice cream melting
FrozenT [24]

Answer:

Physical.

Explanation:

It is not becoming or making a new substance.

6 0
3 years ago
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