the gold smith used a subtance which reacted with the old cuasing its wieght loss Sorry please dont get mad at me if i don't do it correct i think this is the correct answer :Shy nervous: :C :O
Answer:
is this done on a chrombook? it looks like it pls i need points to get to 1000 points so please just leave my answer
Explanation:
When the Heat gain or lose = the mass * specific heat * ΔT
and when we have the mass of gold coin= 40 g
and the specific Heat of gold= 0.13 J/g°
and ΔT = (Tf- Ti) = 10°C - 50°C = -40 °C
so by substitution:
∴Heat H = 40 g * 0.13 J/g° * -40
= - 208 J
Answer:
Electrons in a metal that aren't bonded with only one atom
Answer:
See below.
Explanation:
1 H (hydrogen) has a nucleus of just 1 proton.
2 H (deuterium) has a nucleus of 1 proton and 1 neutron
3 H (tritium) has a nucleus of 1 proton and 2 neutrons.