Answer:
28.7 grams of water
Explanation:
Calorimetry problem:
Q = C . m . ΔT
2400 J = 4.18 J/g°C . m . (30°C - 10°C)
2400 J = 4.18 J/g°C . m . 20°C
2400J = 83.6 J/g . m
2400J / 83.6 g/J = m
28.7 g = m
yes
race, religion, sex, if they are 40 or older, have a disability, pregnancy/childbirth. hope that helped
Ionic compounds are those compounds which form an ion or dissociates into ions when placed in a solution. These compounds are made up of a metal and non metal. From the choices, here are the ionic compounds:
na2so4
h2so4
cacl2
<span>ca3(po4)2</span>