In what type of reaction or process does heat flow into the system? combustion
exothermic
condensation
endothermic

Select the atomic models that belong to the same element

When the volume and number of particles of a gas are constant which of the following is also constant

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.