Other Chemistry Answers

If lithium and fluorine react, which has more attraction for an electron? Why?
In a bond between fluorine and iodine, which has more attraction for an electron? Why?

Why burning in an open air is preferred?

Suppose the container is fabricated from steel having a thickness of .500 inch and an average density of 7.85 g/cm3. (You may assume that the container is cylindrical with hemispherical ends.) What is the mass of the filled container assuming that liquid propane has a density of .585 g/cm3. The total length is 10 ft, the height is 4 ft, and each hemispherical end is 2 ft.

what is harness of water?explain various units and their relation.

Q-Draw a Lewis structures of PCl4+ and PCl6- .
predict the shapes of these ions using VSPER thoery and hybridization states of phosphorus atom in these two ions .
Q2-Draw a rough sketch of total molar polarization verusus 1/temperture curve for CO2 and SnCl2.

how many moles of potassium chlorate to be heated to produce 11.2 litre oxygen ?

10 gms of sodium cabonate is dissolved in 36 ml of water. Volume percentage of solution is ?

Phosphorous burns in a limited amount of Oxygen to produce a compound whose composition is 56.4% Phosphorous and 43.6% Oxygen by mass. Suppose that 10 grams of Phosphorous are burned in 5 grams of Oxygen and that all of one element is consumed. Which element is the limiting reagent?

Barium chloride has the formula BaCl2. x H2O. On heating 4.88g of barium chloride crystals, 4.16g of anhydrous barium chloride remain. Calculate the value of x in BaCl2. x H2O.

A beaker is half filled with water. A thermometer is placed in the water and the temperature is notes to be 25°C. The beaker is placed on a tripod and, instead of using a Bunsen Burner, a spirit burner filled with ethanol, C2H5OH, is lit and placed underneath the beaker.

a)Why can the ethanol be used as a fuel in the spirit burner?
b)After about ten minutes, the reading on the thermometer is checked. What should one observe?