Holly D

Can you please help me do this problem?

The value of Keq for the equilibrium

H2 (g) + I2 (g) <=> 2 HI (g)

is 54.0 at 427 degrees C

Can you please help me with this problem?

Pyridine, C5H5N, is a weak base with

Kb = 1.7 x 10^-9

Can you please show me how to do this problem step by step?

Phenol is an organic compound that behaves as a weak acid. In water it ionizes as shown below

C6H5OH <=> C6H5O^- + H^+

Can you please help me with this problem?

Kb for NH3 is equal to 1.8 x 10^-5

What is the pH of a 0.50 M solution of ascorbic acid?

vitamin C is H2C6H6O6

Kal = 7.9 x 10^-5, Ka2 = 1.6 x 10^-12

I owe Discover $2,300 that I cannot pay.. I have a vehicle that is in my name but I have not paid for yet. Can they take my vehicle?

A 262.mL sample of a sugar solution containing 1.22 g of the sugar has an osmotic pressure of 30.3 mm Hg at 35 degrees C.

A soft drink is made by dissolving CO2 gas at 3.00 atm in a flavored solution and sealing the solution in aluminum cans at 20.0 degrees C. At 20.00 degrees C Henry's Law constant for CO2 is 2.3 x 10^-2 mol/L-atm

When 1.32 g of nonpolar solute was dissolved in 50.0 g of phenol, the latter's freezing point was lowered by 1.454 degrees C. Calculate the molar mass of the solute. Kf for phenol is 7.27 degrees C/m (degrees-kg/mol)

What is the normal boiling point of an aqueous solution that has a freezing point of -1.04 degrees C. Kf for water 1.86 degrees C/m (degrees C-kg/mol). Hint: Calculate the molality from the freezing point depression and use it to calculate the normal boiling point.

The vapor pressure of pure water at 40 degrees Celsius is 55.3 torr. Calculate the mass of propylene glycol (C3H8O2) that must be added to 0.340 kg of water to reduce the vapor pressure by 2.88 torr at 40 degrees Celsius.

The vapor pressure of water at 65 degrees celsius is 187.5 torr. Calculate the vapor pressure of water above the solution prepared by adding 22.5 g of lactose (C12H22O11) to 200.0 g of water at 338 K

Ascorbis acid (vitamin C, C6H8O6) is a water-soluable vitamin. A solution containing 80.5 g of absorbic acid dissolved in 210.0 g of water has a density of 1.22 g/L at 55 degrees celcius

Can you please show me how to calculate the mass percentage, the mole fraction, the molality, and the molarity of absorbic acid in the solution?

A quantity of ice at 0.0 degrees Celsius is added to 64.3 g of water in a glass at 55 degrees Celsius, after the ice melted, the temperature of the water in the glass was 15 degrees Celsius. The heat of fusion of water is 6.01 kJ/mol and the specific heat is 4.18 J/g-degrees Celsius. How much ice was added?

1. Solid hydroxide

2. Solid ethane

3. Nickel

4. Solid silane

Calculate the amount of heat needed to convert 54.0 grams of solid elemental bromine at -7.31 degrees Celsius to gaseous elemental bromine at 59.2 degrees Celsius. Heat of fusion for bromine is 10.57 kJ/mol. Heat of vaporization: 29.5 kJ/mol; specific heat of liquid bromine: 0.113 cal/g-K; Melting point: -7.31 degrees Celsius; boiling point: 59.2 degrees Celsius; 1 cal = 4.184 J.