Answer:
The battery in the Tesla weighs more
Explanation:
Mass = Density × volume
Density of gasoline = 748.90002 Kg/m³
Volume of tank in m³ = 83.2791/1000 = 0.0832791 m³
Mass of gasoline in F-150 = 748.90002 × 0.0832791 = 62.3771 Kg
Converting mass in Kg to lb
Mass of gasoline (lb) = 62.3771 × 2.204623
Mass of gasoline (lb) = 137.51 lb
Weight of battery in Tesla = 1062 lb
Comparing the two shows that the battery of the Tesla weighs more.
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Answer:
Mass of hydrogen produced =2.28 g
Explanation:
Given data:
Mass of tin = 67.3 g
Mass of hydrogen produced = ?
Solution:
Chemical equation:
Sn + 2H₂O → SnO₂+ 2H₂
Number of moles of Sn:
Number of moles = mass/ molar mass
Number of moles = 67.3 g/ 118.71 g/mol
Number of moles = 0.57 mol
Now we will compare the moles of tin with hydrogen from balance chemical equation.
Sn : H₂
1 : 2
0.57 : 2×0.57 = 1.14
Mass of hydrogen:
Mass = number of moles ×molar mass
Mass = 1.14 mol × 2 g/mol
Mass = 2.28 g
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