Speed (m) at 80"
Speed (mis)
at 20°c
Speed (m)
at 120°c
2,214
1
1,551
1,912
2
1,565
1,097
1,352
3
?
414
510
4.
553
388
478
472
CUT
5
331
407
The table shows the mean speed of the molecules of five different gases. Which value is the most
reasonable for Gas 3 at 120°C?
O A. 1,201 m/s
OB. 1,059 m/s
O C. 590 m/s
OD. 536 m/s

Calculate the concentration of all species in a 0.165 m solution of h2co3.

Which of the following is described by the equation h2o(s)+ heat=h2o(i) a freezing melting condensing evaporating

Which of these describes how heat is transferred by convection* a. sunlight travels through space without the aid of fluids or solids. b. warm air rises and takes the heat with it, eventually, it cools and sinks c. air at the equator rises and sinks at the poles. d. air molecules touch the warm ground, heating them up *not conduction