Other Chemistry Answers

methanol is burned in a camp stove to provide heat for cooking if 18 g of methanol is burned what will the volume of oxygen measured at 37°C and 98.8 KPA required for complete combustion

Explain briefly the reasons for the following observations supporting your discussion, wherever possible by means of balanced chemical or ionic equations or structures
i) When mineral pyrolusite, MnO2, is mixed with sodium carbonate and the mixture melted in presence of air, the melt is coloured green. When the cooled melt is dissolved in water, the solution formed made just acidic, a brown precipitate forms. The solution that results is purple coloured

Which nuclear radiation has speed equal to the speed of light?

You fill a rigid steel cylinder that has a volume of 20.0 L with nitrogen gas to a final pressure of
2.00 x 104 kPa at 28°C. Calculate the number of moles for the nitrogen gas, as described by the ideal gas law

How many kilotons are present in 9250 centigrams?

“Galvanized iron” is steel sheet that has been coated with zinc; “tin” cans are made of steel sheet coated with tin. Discuss the functions of these coatings and the electrochemistry of the corrosion reactions that occur if an electrolyte contacts the scratched surface of a galvanized iron sheet or a tin can.

How much heat is absorbed by a sample of metal with a mass of 40.7 g, whose temperature raises from 20.0°C to 32.4°C, with a specific heat capacity of 0.472 J/g°C?

Hydrated strontium chloride has a molar mass of 266.6 A student heats 5.332g of SrCl2

How many grams of NO are needed to produce 20g of NO2?