Answer:
there should be a picture to go with this question. it will give you the mass which is needed to calculate the density.
When a 10 newton force is applied to move 30 meters with an angle of displacement of 25 degrees, the work done is calculated using the formula W= F*d*sin ∅ .Substituting the given dimensions, the answer to this problem is 126.79 joules.
Answer:
517.3 K
Explanation:
Initial volume of gas V1= 114 L
Initial temp. T1= 273 K
Final volume V2= 216 L
Final temp. T2= ?
From Charles law, Volume is directly proportional to temperature provided pressure is kept constant
V1/T1 = V2/T2
T2 = V2T1/V1
T2 = (216×273)/114
T2 = 517.3 K
Answer:
Q < K because K increased
The system will SHIFT TO THE RIGHT
Explanation:
First, the reaction is endothermic. That is, a reaction in which heat is absorbed from the surroundings. ΔH is positive for endothermic reactions.
At the addition of temperature, the system absorbed more heat causing more products to be formed, shifting the equilibrium to the right.
The equilibrium constant k will therefore increase as the concentration of product increases
K = [B] / [A].
Advantages of using tidal energy:
-Environment-friendly
-A highly predictable energy source
-High energy density
-Operational and maintenance costs are low
-An inexhaustible source of energy
Disadvantages of using tidal energy:
-High tidal power plant construction costs.
-Negative influence on marine life forms.
-Location limits.
-The variable intensity of sea waves.