Tolong bantu ya makasih
Penjelasan:
X –> TTB -10⁰, TTA 110⁰
CELCIUS –> TTB 0⁰, TTA 100⁰ (SUDAH KETENTUAN), suhu 30⁰C
DIT. SUHU term. X?
JAWAB :
X – TTB C – TTB
————— = —————
TTA – TTB TTA – TTB
X – (-10) 30 – 0
—————- = ————-
110 – (-10) 100 – 0
X + 10 3
————– = ——
110 + 10 10
X + 10 3
————- = —–
120 10
10 (X + 10) = 120 x 3
10X + 100 = 360
10X = 360 + 100
10X = 460
X = 460 : 10
X = 46
Suhu pd term. X menunjukkan 46⁰X
dik. m = 50 gram
∆T = 50⁰C – 10⁰C = 40⁰C
c = 0,25 kal/⁰C
dit. Q?
jawab :
Q = m x c x ∆T
= 50 x 0,25 x 40
= 500 Joule