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what is the mass of 3,987 mil of AI? (27.00 g/mol)
What are the selection rules for vibration-rotation Raman spectra?
How many moles of magnesium chloride should be taken
to prepare 400ml of a solution with a concentration of 0.2 mol / L?
R: 0.08 mol MgCl2
Calculate the amounts of solids Na2HPO4 and NaH2PO4 needed to prepare 0.40 M, 1.5L of phosphate buffer with pH of 7.0.
calculate the net energy of a na+ and ci ion pair separated 1.275 nm apart with net force 5.759x10^-12
calculate the net energy of a na+ and ci ion pair separated 1.275 nm apart
32.0 g of hydrogen, H2, is allowed to react with 16.0 g of oxygen, O2, to produce water, H2O, according to the following reaction:
2 H2 + O2 → 2 H2O
The limiting reagent is/are
FeCl2 NiSO4 CuSO4 Cr(NO3)3
which of the compound cointains an ion with 2+ Charge? And why?
A mixture of CCl4 and water is immiscible,showing two layers of colorless liquids.What happens to the layer of H2O and CCl4 if a crystal of KMnO4 is added?
A mixture of CCl4 and water is immiscible,showing two layers of colorless liquids.What happens to the layer of H2O and CCl4 if a crystal of KMnO4 is added?
#340153 on Dec 2023