How did obsidian form

The density of an aqueous solution of sulfuric acid is 1.36 g/mL and the concentration is 3.43 M. What is the concentration of this solution in percent by mass?

During science, Jim's teacher gives this simple rule to use as a first attempt to increase solubility of the solute and the rate of solution. A) Decrease the temperature of water. B) Agitate the solute in the solvent.

15 ml of mixture of c2h4 and ch4 after oxidation with o2 gave 20ml ofco2 gas express the composition of the mixture in volume measure all volume measurements are at the same temperature and pressure?

How much heat must be absorbed by 125 g of ethanol to change its temperature from 21.5 ∘C to 34.8 ∘C? (Specific heat capacity of ethanol is 2.42 J/g∘C) a. 86.6 kJ b. 4.02*103kJ c. 6.95 kJ d. 4.02 kJ

Based on the values you obtained for δh∘rxn, which of the reactions would you expect to be thermodynamically favorable and which would be unfavorable? no. reactions δh∘f (kj) 1 ag + (aq) + li (s) →ag (s) + li + (aq) - 384.

Why are some compounds that contain carbon not considered as organic compounds?

When ions having a positive charge form bonds with ions having a negative charge, the charge on the resulting compound is what

WHY IS THE OCEAN SALTY ALSO I CANT TAKE OF CAP LOCKS ON A CROME BOOK

Compare and contrast steak and juice

Which of the following laboratory tools would be most appropriate for determining the volume of and irregular shape A) ruler B) triple beam balance C) graduated cylinder D) answers b and c