Answer:
1) F1
Explanation:
As the air resistant force depends on the speed of object and its orientation as it falls, it does not depend on the mass of the object. Therefore, air resistant force on 1 coffee filter is the same as the air resistant force on 3 coffee filters.
Liquids don't have a definite shape, but solids do.
Answer:
The specific heat capacity of molybdenum is
0.2696 joule/gram
Explanation:
Step one
Given that
Mass of molybdenum Mm =237g
Temperature of molybdenum
T1=100°c
Mass of water MW =244g
Temperature of water T2= 10°c
Final temperature T3 =15.3°c
Step two :
We know that the specific heat capacity of water Cw 4.186 joule/gram
But Specific heat capacity of molybdenum Cm?
We know that the quantity of heat transfered can be expressed as
Q=Mm*Cm(T1-T3)+MW*Cw(T2-T3)
since the system attained thermal equilibrium then the expression
Is
=Mm*Cm(T1-T3)=MW*Cw(T3-T2)
Substituting our values into the equation we have
237*Cm(100-15.3)=244*4.186(15.310)
20073.9Cm=5413.3352
Cm=0.2696 joule/gram
Specific heat capacity of molybdenum is 0.2696 joule/gram
This reaction would be classified as a double displacement or replacement reaction. This is because the atoms/groups of atoms within each compound are swapped or have broken bonds and reformed with other atoms/groups, where each of them has been replaced with their counter metal or nonmetal in the equation.