Explanation:
First, get both values into the same units
To covert from Kelvin to degrees C, subtract 273.15
1210 - 273.15 =936.85
Melting point of germanium=936.85 degrees C
Melting point of gold= 1064 degrees C
Therefore germanium would melt first because it has the lower melting point.
Answer:
0.6425 moles of 
is required to react with 25.7 grams of 
.
Explanation:
mas of oxygen gas = 25.7 g
moles of oxygengas = 
According to reaction given above, 5 moles of oxygen gas reacts with 4 moles of ammonia gas.
Then 0.8031 moles of oxygen gas will react with :
of ammonia gas
0.6425 moles of is required to react with 25.7 grams of .
Answer:
<u>2RbNO³ --> 2Rb + N² + 30²</u>
Hope this helps!
Simon Cowel lolololololololololol simp AHHAHAHA míos
H₂:
M=2g/mol
m=10g
n = m/M = 10g/2g/mol = 5mol
O₂:
M = 32g/mol
m = 80g
n = m/M = 80g/32g/mol = 2,5mol
2H₂ + O₂ ⇒ 2H₂O
2mol : 1mol : 2mol
5mol : 2,5mol : 5mol
10g : 80g : 10g+80g=90g
B
