3 years ago

Is ink a homogeneous mixture

2 answers:

5 0

Ink is a mixture of a fluid (typically, water) and some colouring pigment(s). If these components are perfectly mixed, the ink with be homogeneous (i.e. the same all the way through); otherwise it won't!

denis23 [38]3 years ago

4 0

It's homogeneous because you only see one phase.

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Given :

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

Formula applied :

$\boxed {Q = mc \triangle T}$

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 790 J kg⁻¹ K⁻¹.

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