analysis of a 12.04g sample of liquid compound compoed of carbon, hydrogen and nitrogen showed it to contain 7.34g carbon, 1.85g hydrogen and 2.85g nitrogrn. what is the percent composition of this compound?

If the pH of a solution is 5, what is the pOH?

Redox reactions are characterized by?

The surface area and depth of the Pacific Ocean are 1.8 X 10^8 km^2 and 3.9 X10^3 m respectively, Calculate the volume of the Pacific Ocean in liters.

Why Is Water A Polar Molecule? Does It Have Something To Do With The Dipoles Not Cancelling Each Other Out?

Suppose you conduct an experiment to determine how temperature affects the amount of salt which can be dissolved in 100 ml of water. what is the independent variable?

What is true about empathy? Most anyone can learn this skill. Not everyone can learn this skill. It is a desirable attribute. choices A and C

What effect can new observations have on a scientific theory

The total number of valence electrons in the phosphate ion is

The reaction below has an equilibrium constant kp=2.2*106 at 298 k. 2cof2 (g) ⇌co2 (g) + cf4 (g) calculate kp for the reaction below. cof2 (g) ⇌12co2 (g) + 12cf4 (g)

The electrical conductivities of the following 0.100 M solutions were measured in an apparatus that contained a light bulb as the indicator of conductivity. Rank the solutions in order of decreasing intensity (brightest to dimmest) of the light bulb.