Chemistry Answers

2𝑁𝑎 + 𝐻₂ → 2𝑁𝑎𝐻

If 10 grams of 𝑁𝑎 reacts with 8 grams of 𝐻₂, how many grams of the product will be formed? Which reactant is limiting? 

A safety valve in the reaction vessel is temporarily opened to release the high

pressure gasses. Describe the effect it has on the equilibrium position and the

equilibrium constant K.

ii) Calculate the concentration of methanol produced by the reaction in b), with the following reactant concentrations:

CO: 2.13 x 10^-3 mol L ^-1. H: 1.4 x 10^-3 mol L^-1

A gas expands from 12m3 to 14m3, against a constant pressure of 1 bar, at 298 K. What is the work done on the gas

How many moles of oxygen is produced if 25 moles of water reacted based on the chemical equation 6 CO2 + 6 H2O =C6H12O6+6 O2

calculate the molarity of a solution with a final volume of 500ml prepared by dissolving 25.0ml of methonal (CH3OH density =0.791ml) in choloroform

Label the parts of heating and cooling curve

A colloidal solution of AgI is prepared by two different methods shown in figure: What is the name of the process when two colloidal solutions obtained in two test tubes (A) and (B) are mixed together?

Determine the Weight f the Sample, if

it Used 24.9ml of 0.1Normal Sodium

Hydroxide of Titrant {33.29% of

Busulfan (C7H6O2)} with solution

Determine the Weight f the Sample, if it Used 24.9ml of 0.1Normal Sodium Hydroxide of Titrant {33.29% of Busulfan (C7H6O2)}