1) Ca-37, with a half-life of 181.1(10) ms.
<span>Force of the helicopter is equivalent to weight for this case. </span>Weight is calculated by multiplying the mass of
the object and the acceleration. For this case, the acceleration would be the
acceleration due to gravity which is equal to 9.81 m/s^2. We calculate as
follows:<span>
W = mg
<span>W = 1500 kg ( 9.81 m/s^2 )</span></span>
<span><span>W = 14715 N </span></span>
Answer:
The Answer is 88%
Explanation:
The balanced ionic equation of the reaction



Looking at the above reactions
The original number of moles of
= 3 × number of moles of 
= 3 × volume × concentration of
Note: The formula for number of moles is volume × concentration
mol
The number of moles of
left after its reaction with ascorbic acid
=
x moles of 
=
x volume x concentration of 

Note: The division by 1000 is to convert mill liter to liter
Moles of ascorbic acid = moles of
reacted



Hence
Mass of ascorbic acid = moles of ascorbic acid × molar mass of ascorbic acid


Weight% of ascorbic acid = mass of ascorbic acid/mass of sample x 100%
= 70.55/80 × 100%
= 88.1%
For a reaction system at equilibrium, LeChatelier's principle can be used to predict the "effect of a stress on the system".
<u>Option: C</u>
<u>Explanation:</u>
Le Chatelier's theory can be implemented to forecast a system's behavior due to variations in pressure, temperature, or concentration that will lead in predictable and contested variations in the system adjustments to establish a new state of equilibrium. This means that adding heat to a process would favor the endothermic path of a reaction, because this decreases the amount of heat generated in the system.
Here shift in equilibrium take place when volume increase, the total pressure decreases, which have potential to reverse the reaction, while on increasing pressure of system, the total volume decreases of the gaseous system, which can shift an equilibrium in the direction of the fewer molecules.
Answer:
0.250L of solution. 0.250 moles of solute.
Explanation:
As you can see in the image, there is a beaker with an amount of solution. 1/2L are 500mL and each line of the beaker represents 100mL. That means the volume of the solution is approximately 250mL = 0.250L
Molarity is an unit of concentration defined as the moles of solute per liter of solution. A solution that is 1.000M contains 1.000 moles of solute per liter of solution.
As the volume of the solution is 0.250L, the moles are:
0.250L * (1.000mol/L) = 0.250 moles of solute