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40cm3 of hydrocarbon was exploded with 120cm3 of oxygen to give 80cm3 of CO2 determine the empirical formula of the hydrocarbon
A balloon contains 7.5 L of helium gas at 25°C under atmosphere pressure. If the balloon is placed in a freezer that has temperature of -4.6°C inside, to what volume will the balloon shrinks
What do you mean by osmatic pressure ? Write it's expression and describe any one method for its determination. Calculate the osmotic pressure due to 25% of cane sugar solution at 20° C .(Mol wt. of sugar = 342)
You use 33.2 mL of NaOH to titrate 100.0 mL of HCI and 17.1 mL of NaOH to titrate 50.0 mL of 0.0689 M H2SO4. Calculate the unknown concentrations.
Convert 7.6 cm^3 to m^3 step by step
- Calculate the total heat energy needed to convert 100g of ice at -100C to steam at 1100
How much table salt should be added to 300 g water to lower its freezing point to -2.00°C?
Identify label the compound which is bronsted acid, base, and conjugate acid, conjugate base of H2CO3 + H2O _____H3O+ + HCO3–
What is the systematic name for Cu(CH3CO2)2
A sample of benzoic acid solution in soda is 0.50% by mass. What is the benzoic acid is present in 150 g solution?
