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 .

A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll