A student is conducting a laboratory experiment with sulfur hexafluoride with a molar mass of 146.07 g/mol. However, the student did not complete the required pre-laboratory notes. SF6235.7 g Which selection would help the student complete the chart? A. 1.6 moles, 9.72 x1023 particles B. 0.62 moles, 2.65 x1022 particles C. 0.62 moles, 9.72 x1023 particles D. 1.6 moles, 2.65 x1022 particles

c is the answer because when something is left after something evaporates that shows the chemical change.

you gotta add the following molecules so we can give u an answer

explanation:

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

: )

(newtons first law)

conservation of momentum law states :

momentum before collision = momentum after collision

momentum p (kg-m/s)= mass * velocity

say moving car=1 000 kg, velocity = 10 m/s then p = 1 000*10= 10 000 kg-m/s

say still car = 2 000 kg, velocity = 0 m/s then p = 2 000* 0 = 0 kg-m/s

total momentum prior to collision = 10 000 + 0 = 10 000 kg-m/s

momentum after collision = 10 000 kg-m/s

mass now = 1 000 kg+2 000 kg = 3 000 kg

10 000 = 3 000 kg* velocity m/s

10 000/3 000 = velocity

3.33 m/s = velocity after collision

an impulse is a force applied over time , momentum is exclusive of external forces and a perfect collision is implied