An unknown substance has a mass of 56.8 g and a volume of 23.4 ml. what is the density of this unknown substance?

Its common allotropes are red and white

A solution of H 2 SO 4 (aq) H2SO4 (aq) with a molal concentration of 8.01 m 8.01 m has a density of 1.354 g / mL. 1.354 g/mL. What is the molar concentration of this solution?

How can you get rock salt to dissolve in water quickly?

Which of the following is a geographic example of a transform fault boundary?

What power source uses the earth's internal heat? solar geothermal hydroelectric nuclear

Benzene, C6H8, has an enthalpy of fusion = 10.19 kJ/mol. Calculate the amount of energy which is needed to change 88.0 g of solid benzene at 5.53°C into liquid benzene, also at 5.53°C?

What is the H3O + ion concentration of a solution that has an OH - ion concentration of 1.0 * 10^-3M? A) 1.0 * 10^-3M B) 1.0 * 10^-7M C) 1.0 * 10^-11M D) 1.0 * 10^-14M

Given the following chemical reaction: 2 O2 + CH4 CO2 + 2 H2O In the reaction of 6 moles of CH4 with excess oxygen, how many moles of water could be produced? 6 C 12.01 Carbon 1 H 1.01 Hydrogen 8 O 16.00 Oxygen A. 4 B. 6 C. 8 D. 12

Most mutagens have what kind of an effect on an organism?

According to the hess's law, the enthalpy of solution is: δhsoln = δhsolute + δhsolvent + δhmix. considering dissolving a small drop of nonpolar pentane oil in water which term (s) in the equation will experience the largest enthalpy change.