The diagram below shows light striking a pane of glass. some of the light is reflected and some of the light is transmitted. the letters represent six different angles. what is the value of angles f and a in degrees?

a. 45 degrees
b. 30 degrees
c. 55 degrees
d. 90 degrees

Along wire of diameter 1 mm is submerged in an oil bath of temperature ∞ 31°c. the wire has an electrical resistance per unit length of 0.01 ω/m. if a current of 103 a flows through the wire and the convection coefficient is 500 w/m2·k, what is the steady-state temperature of the wire? from the time the current is applied, how long does it take for the wire to reach a temperature that is within 1°c of the steady-state value? the properties of the wire are 8000 kg/m3, 500 j/kg·k, and 20 w/m·k.

What ions are formed when hcl dissolves in water?

Which of the following could represent a single-replacement reaction? a. element + compound = element + compound b. element + element = compound c. compound +compound = compound + compound d. compound = element + element