Answer:
2:3
You'd need 33.3 moles of potassium chlorate, KClO3 , to produce that much oxygen. Notice that you have a 2:3. mole ratio between potassium chlorate and oxygen gas, which means that, regardless of how many moles of the former react, you'll always produce 3/2 times more moles of the latter.
Explanation:
Frequency = speed of light
---------------------------
wavelength
= 3 x 10^8
------------------------
344 x 10^-9
= 8.72 x 10^14 Hz.
Hope this helps!
Answer:
B.
Explanation:
This is physical change as the popcorn has expanded in size.
Answer:
A latching relay
Explanation:
A latching relay is a subtype of electromechanical or electromagnet switch. It is a type of relay that maintains its position even after the power is removed. The reason why its used is because they allow a control of circuit by simply providing a single pulse to the relay control circuit.
