The answer is (4) heptane. Saturated hydrocarbon means that there is no double bonds between the carbon atoms. For propene and butene, there is double bond. For ethyne, there is triple bond.
Answer: 252.5 kPa
Explanation:
Given that:
initial volume of gas V1 = 5.00 L
initial pressure of gas P1 = 101 kPa.
new Volume V2 = 2.00 L
new pressure P2 = ?
Since, only pressure and volume are involved, apply the formula for Boyle's law
P1V1 = P2V2
101 kPa x 5.0L = P2 x 2.00L
505 = P2 x 2.00L
P2 = 505/2.00
P2 = 252.5 kPa
Thus, the new pressure of gas inside the piston is 252.5 kPa
Answer: c
Explanation:
Dependent Variable is what you measure, he's measuring the amount of snot that can be held
Answer:
[MgCl₂] = 0.036 M
Explanation:
Molarity are the moles of solute in 1L of solution.
For this case, our solution's volume is 2L
First of all, we convert the mass of solute (MgCl₂) to moles
6.92 g . 1mol / 95.2 g = 0.0727 moles
Now, we make a rule of three:
In 2L of solution we have 0.0727 moles of solute
Then, in 1L of solution we may have, 1L . 0.0727 mol / 2L = 0.036 M
Answer:
The work done by the system is 100 J
Explanation:
Given details
The cross sectional area of the of the container is A = 100.0 cm^2 = 0.01m²
The total distance pushed by the piston is d = 10 cm = 0.10m
The total external pressure by which piston pushed is P = 100 kPa
From above data, the following relation can be used to determine the change in volume of the container
∆V = A * d
∆V = 0.01 * 0.10 = 0.001 m³
By using the following relation, the work done by the system is calculated as;
Work done W = P * ∆V
W = 100 * 0.001 = 0.1 kJ = 100 J
The work done by the system is 100 J
