Which is true about batteries?
a. they all contain graphite rods and zinc electrodes.
b. they all contain parallel cells that increase energy output.
c. they always contain different cells that work together to produce energy.
d. they often have identical cells in series to increase energy output

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

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.

What is the correct name for the compound cocl3? a) cobalt(i) chloride b) cobalt(i) chlorate c) cobalt(ii) chlorate d) cobalt(iii) chloride