Answer:
An LED light uses one-third the energy of an incandescent bulb to produce the same amount of light.
Step-by-step explanation:
A typical 100 W incandescent bulb produces about <em>5 % visible light</em>, 83 % IR radiation, and 12 % heat (it is the IR radiation that makes the bulb feel hot).
It produces about 5 J of light energy for every 100 J of energy input.
A typical LED bulb produces about <em>15 % visible light</em> and 85 % heat (LEDs feel cool, because they don't produce IR radiation).
It produces about 15 J of light energy for every 100 J of energy input.
Thus, an LED light is about three times as efficient at converting electrical energy into light
2 meters per second. You do 10 divided by 5 to find your answer, which is 2.
<span>35.0 mL of 0.210 M
KOH
molarity = moles/volume
find moles of OH
do the same thing for: 50.0 mL of 0.210 M HClO(aq) but for H+
they will cancel out: H+ + OH- -> H2O
but you'll have some left over,
pH=-log[H+]
pOH
=-log[OH-]
pH+pOH
=14</span>
Answer:
1.33 atm
Explanation:
use general gas equation P1 V1/ T1 = P2 V2/ T2
rearrange and make P2 the subject then solve,it should give you 1.33 atm
Mass of H2C2O4 :
mm = 90.04 g/mol
number of moles : 0.0223 moles
m = n * mm
m = 0.0223 * 90.04
m = 2.007 g
hope this helps!.
