General Chemistry Answers

Solve the problem with complete solutions.

How much faster does oxygen gas escape through a porous container than carbon monoxide?

Calculate the problem with complete solutions.

An amount of 0.450 mole of an unknown hydrocarbon was subjected to combustion. The process produced 980.0 mL of CO2 at STP. (a) Find the volume of CO2 formed at STP from one mole of the unknown hydrocarbon. (b) Compute the number of carbon atoms present in one molecule of the unknown hydrocarbon.

Calculate the problem with complete solution.

Chlorine pentafluoride (CIF5) is formed by reacting chlorine gas (Cl2) and fluorine gas (F2). Calculate the volume (in L) of CIF5 that can be formed from 9.80 L of F2 at 100 degree Celsius and a pressure of 1.00 atm.

Differentiate effusion from diffusion.

Do gases have mass? Why do you say so?

Find the mass of sodium trioxocarbonate iv needed to give a volume of 22.4dm at stp

Element

C

Cl

Mg

O

Ca

Li

S

K

What are their total electron of neutral, number of energy level and number of valence electrons?

Draw a real life scenario or situation in which the concept of ionic or covalent bonding is demonstrated.

Write atleast five sentences describing your output and explain how the situation is related to the concept of the type of chemical bond you choose.

PROBLEM: The following were obtained in the Boy's gas calorimeter experiments

Volume of gas used = 0.1 m² at NTP Weight of water heated = 25 Kg

Temp. of inlet water = 20 °C

Temp. of outlet water = 33 "C

Weight of steam condensed = 0.025 kg Calculate the gross and net calorific value per m³ at NTP. Take the heat

liberated in condensing water is 580 Kcal/Kg

Write the orbital notation

1. Sodium (11 electrons)

2. Neon (10 electrons)

3. Titanium ( 22 electrons)