How many property of gases increases with increasing the temperature. Viscosity, mean free path, collision frequency, rate pressure, molar volume at constant pressure, molar concentration at constant pressure, van der waals parameter a.
Is PH 7 acidic, basic or neutral? What affect PH?
A hydrocarbon,W with a mass 10.50 g has 17.35% hydrogen. W
undergoes complete combustion.
Calculate the molecular formula of W with the molar mass
58.12gmol -1 .
A hydrocarbon,W with a mass 10.50 g has 17.35% hydrogen. W
undergoes complete combustion.
Calculate the mass (g) of H 2 O formed.
Which of the following has more atoms, 2.00 g of hydrogen gas or 48.00 g
of titanium?
A metal sulfide with the empirical formula of MS 2 , contains 40.06 % sulfur
by mass. Calculate the molar mass of M.
Calculate the number of atoms of 4.55 x 10 23 molecules of sulfur dioxide.
Discuss the significance of chemistry as a quantitative science in a daily life
gold has a density of 19.3 g/mL. what mass would 5ml of gold have