A sealed flask contains 1.3 x 10^25 molecules of CO2. How many moles of CO2 are in the flask?

Consider the following mechanism for the reaction between t-butyl chloride and water: (CH_3) _3 CCl (aq) rightarrow (CH_3) _3 C^ + (aq) + Cl^ - (aq) (CH_3) _3 C^ + (aq) + H_2O (l) rightarrow (CH_3) _3 CHOH^ + (aq) (CH_3) _3 CHOH^ + (aq) + H_2O (l)

Clarify the compounds as strong acid or weak acid HNO3, H2SO4, H2CO3, HCl, HF

There are questions in the math section of the Aspire test.

What is the molality of a solution in which 0.32 moles AlCl3 has been dissolved in 2,200 g water? What mass of water is needed to prepare a 1.20 molal solution using 0.60 mol propyleneglycol? What is the molality of a solution in which 0.

Hazardous waste recycling facilities will only collect batteries. True False

How many nitrate ions are in 387.4 grams of calcium nitrate?

Tin or silver more reactive

Chemical reactions that release energy possess reactants with lower energy than their products. True or False Heat is the most common form of energy absorbed or released in chemical reactions. True or False

What is the reason for the low solubility of LiF (0.27 g per100 ml H2O) compared to CsF (367 g per 100 ml H2O) ?

Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? A.) increasing temperature B.) increasing pressure C.) decreasing surface area D.) decreasing temperature