For each of the following cases, decide whether the pH is less than 7, equal to 7, or greater than 7. Equal volumes of 0.45 M acetic acid, , and 0.45 M are mixed. The pH is . 25 mL of 13 M is mixed with 13 mL of 0.026 M . The pH is . 100 mL of 0.10 M is mixed with 50 mL of 0.20 M . The pH is . 48 mL of 0.20 M is mixed with 48 mL of 0.40 M .

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%

  the mississippians were considered to be  horticulturalists, which means they were