Balanced or unbalanced

CH4+O2=CO2+2H2O

After cloud droplets form, what must happen to them for precipitation to occur?

What are transitions between a liquid and a solid called? identify which way they are transitioning

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.