It makes the bronze stronger and harder than either of the other two medals
Answer:
filter the hot mixture.
Explanation:
Solid is stayed undissolved since the arrangement is gotten super saturated. On the off chance that solid molecule is available recrysallization won't happen in this way we need expel the solid molecule by filtarion in hot condition itself . Subsequently, arrangement become totally homogenous and recrysallization item will shaped by moderate cooling
Answer:
The answer to your question is It will be formed 0.39 moles of H₂
Explanation:
Data
moles of H₂ = ?
moles of HCl = 0.78
moles of Zinc = excess
Balanced chemical reaction
2 HCl + Zn ⇒ 1 H₂ + ZnCl₂
Process
1.- Use proportions to solve this problem. Consider the coefficients of the balanced reaction.
2 moles of HCl ---------------------- 1 mol of H₂
0.78 moles of HCl ----------------- x
x = (0.78 x 1) / 2
- Simplification
x = 0.78 / 2
- Result
x = 0.39 moles of H₂
Answer:
volume of carbon dioxide gas would be collected during a one-year period.
Explanation:
Mass of carbon dioxide gas collected in a day = 31,000 Tonn
1 Tonn = 1000 kilogram
31,000 Tonn = 
Specific volume of the carbon dioxide gas = 

Volume of carbon dioxide gas collected in a day = V


1 year = 365 days
Volume of carbon dioxide gas collected in a year = V'

volume of carbon dioxide gas would be collected during a one-year period.