If we are tying to heat 90 g of water to a boil starting at 22 degrees C, how much energy in joules will we need?
The 'c' value for water is 4.18J/gC
Q=mC(delta)T
08276)
O 8000 K)
1932)
0 433)

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.

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

An atomic nucleus is composed ofa)protons. b)protons and neutrons. c)protons and electrons. d)protons, neutrons, and electrons.