Please help Predict which precipitate, if any, will form in the following double replacement reactions or write “None”.
a. AgNO3(aq) + NaCl(aq) →
b. CaCl2(aq) + Na2CO3(aq) →
c. Fe(NO3)3(aq) + KCl(aq) →
d. Pb(NO3)2(aq) + HCl(aq) →
e. Cu(NO3)2 + Na2S →

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.

What is the vapor pressure of a solution with a benzene to octane?

Total the mass on the syringe. record it in the correct row of the data table. kg done click and drag weights to change the pressure. click the syringe to zoom in and see the volume. intro