A boat sailed for 7 hours at the speed of 80 km/h (killometers per hour). It changed speed to 95 km/h for the next 6 hours.

How have the greenhouse gasses increased from the year 2000 to 2018

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.

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.