Which of these statements is not true about chemical reaction rates? a. the reaction rates can change. b. the reaction rates can increase. c. the reaction rates can decrease. d. the reaction rates are always constant.

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.