102 grams.
Equation:
Quantify of heat = mass x specific heat x difference in temperature
We have: quantity of heat : 2300J
specific heat: .449 J/g
difference in t: 80 - 30 = 50
Solve for mass: 2300 = mass x 0.449 x 50
mass = 102.449
2 sig-figs --> 102 grams
Your answer would be c
hope this helps
1. No two magnetic lines intersect
2.They always form closed loops
3. Outside they seems to travel from north to south and inside south to north
4. It is vector quantity.
D: urethra
20 characters necessary for answer so that's what this typing Is for
Answer:
Alpha particles, Beta particles, Gamma rays
Alpha Is the least harmful
Beta is second most harmful
Gamma is most dangerous
Explanation: