How many moles of water will be formed if you start with 25.0 grams of sodium hydroxide? NaOH+H2SO4=H2O+NaSO4

Embryos of different species look very similar, which shows that the organisms share a ancestor.

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride