General Chemistry Answers

A 25ml aliquot of kph prepared required 23.85ml of NaOh solution to reach the endpoint during titration. What is the balances equation?

A 15.0 L closed vessel contains sulfur trioxide, sulfur dioxide, and oxygen gases that are in equilibrium at 350°C, with K_P equal to 1.8x10^-5.

2SO_{3 (g)} ⇌ 2SO_{2 (g)} + O_{2 (g)}

If the equilibrium partial pressures of SO₂ and O₂ are 0.024 atm and 0.057atm, respectively, how many grams of SO₃ (MM=80 g/mol) are present in the container? (Hint: Use the ideal gas equation.) 

The equilibrium constant K_C for the formation of ozone from oxygen is 1.7x10^-56 at 25°C. If the concentration of oxygen in the air (21% oxygen) about 8x10^-3 M, how much ozone is approximately present at ground level?

3O_{2 (g)} ⇌ 2O_{3 (g)}

Predict the geometry of the [CoCl4] 2 complex showing their hybridized orbitals.

If 0.65 mole of N₂ occupies 18.0 L at a fixed particular temperature and pressure, how much volume would the gas occupy if the number of moles increased to 1.20?

PLEASE HELP

individual bond EN difference of Dichloromethane and verdict if non-polar or polar covalent

How many grams of NaN3 must be used to produce 85.5 L of N2 gas at 28 C and 95.0 psi of

pressure?

Three fluids are poured from a beaker onto a lab table. Fluid A hits the table in 10 seconds, fluid B in 12 seconds, fluid C in 4 seconds, and fluid D in 15 seconds. Which fluid has the highest viscosity?

Empirical formula for copper sulfide(show calculation)

A student is attempting to make up 500.0 mL of a 0.492 M solution of CuSO₄ from a stock solution which has a molarity of 1.00 M. How many mL of the stock solution will they need to add to a 500.0 mL volumetric flask to make up the 0.492 M solution?