Chemistry Answers

If 4.9g of nitrogen gas is placed in a 2 L container at 31 degrees, what is the pressure in the container?

 What do you notice about the distribution of the electrons?

Titanium is a transition metal used in many alloys because it is extremely strong and lightweight. Titanium tetrachloride (TiCl4) is extracted from titanium oxide (TiO2) using chlorine and coke (carbon). what mass of C is needed to react with 1.25 mol of Tio2?

Calculate the molality of a solution prepared from 15.25 g of NaCl in 1.50 kg of water.

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.

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?