Which of the following pairs share the same empirical formula?

Select one:

a. CH4 and C2H4

b. PbCl2 and PbCl4

c. N2O5 and NO2

d. C2H6 and C4H12

After constructing the circuit, Aliyah and Jeremy noticed that the light bulb stays on all the time. This means the batteries will get used up when the flashlight does not need to be on.

Saturated hydrocarbons are major components of ... [A] vegetable oil. [B] alcohol. [C] gasoline. [D] salt crystals.

8. A sample of chloroform is found to contain 24.0 g of carbon, 212.8 g of chlorine, and 2.02 g of hydrogen. If a second sample of chloroform is found to contain 60.0 g of carbon, what is the total mass of chloroform in the second sample?

Separating fluids, such as blood, is best accomplished using: evaporation crystallization centrifugation adsorption

If the temperature of 33.4g of ethanol increases from 25.0°c to 78.8°c how much heat has been absorbed by the ethanol?

Find the mass of 3.65 x 10^-2 mol K2SO4

What two factors determine the thermal energy in a substance

What is the name of the hybrid orbitals used by chlorine in clf3?

Is beryllium a non metal or metal or metalloid

9.86 x 10²⁸ O-atoms require what volume (L) N₂O₂ at STP?