When a sponge gets wet, does it become more massive

Determine the molecular weight of H2O. 18 g 18.0 g 18.01 g 18.016 g

When titrating a strong monoprotic acid and koh at 25°c, the ph will be equal too?

What are the empirical and molecular formulas for a compound related?

What group of elements do the noble gases belong metals, nonmetals, or metalloids explain

Find the value of the solubility product ksp for a saturated solution of mercury bromide, hgbr2, using the solubility of mercury bromide. the solubility, s, of mercury bromide is 2.66*10-7 m.

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.