What is the chemical formula for ammonium sulfate?

A certain liquid sample has a volume of 14.7 mL and a mass of 22.8 grams. Calculate the density. 3.45 g/mL 2.25 g/mL 1.55 g/mL 4.15 g/mL

How much heat is lost when 350g of iron cools from 54.1 to 22.4oC? (The specific heat of iron is 0.450 J/g oC)

Write the acid-base reaction that occurs when an aqueous solution of HCl is added to an aqueous solution of NaOH. (Use the lowest possible coefficients. Omit states-of-matter in your answer.

Which of the following is an example when an uncontrolled experiment is best? A. When working with the han body B. When testing plant growth C. When testing the effect of water on a lawn D. when testing the effect of sugar on a starch

Design a synthesis of 2-chloro-4-nitroanisole from benzene or any mono-substituted benzene. choose the best option for the immediate precursor to the target molecule.

What is the total number of valence electrons in a sulfide ion in the ground state? (1) 8 (3) 16 (2) 2 (4) 18

Write the name and formula of the compound made of magnesium and fluorine

How was or wasn't the scientific method followed in this experment

1‑propanol (nn ‑propanol) and 2‑propanol (isopropanol) form ideal solutions in all proportions. Calculate the partial pressure and the mole fraction (yy) of the vapor phase of each component in equilibrium with each of the given solutions at 25 °C.

4. suppose you are setting up a reaction that requires an iodide salt and are planning to use sodium iodide. however, at the last minute you find that you are out of sodium iodide, so you must use potassium iodide instead.