2. Calculate the AH for the reaction:
CS2 (1) + 2 O2 (g) CO2 (g) + 2 SO2 (g)
Given:
AHCO2 (g) = -393.5 kJ/
mol;
AHSO2 = -296.8 kJ/mol;
AHCS2 (1) = 87.9kJ/mol
2. Calculate the AH for the reaction:
CS2 (1) + 2 O2 (g) CO2 (g) + 2 SO2 (g)
Given:
AHCO2 (g) = -393.5 kJ/
mol;
AHSO2 = -296.8 kJ/mol;
AHCS2 (1) = 87.9kJ/mol
1. One of the features of human language is the use of the vocal auditory channel
a. Name four vocal organs of speech that are used in the production of speech.
b. Name one auditory organ that is used for hearing
2. The grammatical concept of case is realized by nouns and pronouns in English in three forms. Identify the form of words written in capital letters in the following sentences
a) HIS parents live in Soweto.
b) jOE BIDEN is the newly elected president of the united states'of America
c) Gloria addressed THEM
d) The teacher taught BONGANI in grade two
e) These are MICHAEL'S books
3. Explain why the verb "to be" is realized as "am" and "were" in the following sentences:
a) I am a student
b) we were tired
c) what is the grammatical concept that can be used to explain the changes in the form of the verb "to be" in a) and b) above?
Name the type of force that acts on a structure when a moving object
strikes it.
How to write minutes of the meeting
The corona disease has been led to many deaths per week increases by 9.2% every week.Suppose this trend does not change and 82 deaths have been recorded this week.Determined the number of deaths that: a)were recorded 4 weeks ago b) will be recorded in 3 weeks time c) will be recorded in 6 weeks time
new café has been set up in addition to new coffee machines in your organization. The
new machines, besides dispensing regular coffee also dispense Cappuccino, Latte, and
clear vegetable soup. This has made the workplace more interesting for the employees.
However, it has been observed by the management that the employees are frequently
taking the breaks and are often found relishing snacks at the new café. This has seriously
hampered the productivity of the employees. Most of them are now not able complete the
usual tasks in the stipulated time. Draft a memo to address the situation politely,
requesting the employees to restrict the duration of coffee breaks to a maximum of 10
minutes and to limit the number of breaks to two coffee breaks a day.
Lindiwe de
ides that she would like to buy her daughter, Mbali, a
ar when she turns 21 in six years' time.
She deposits R6 000 ea
h month into an a
ount earning 8,94% interest per year,
ompounded monthly. The
amount that Lindiwe (rounded to the nearest rand) will have available six years from now is
What is the capacitance of an empty parallel-plate capacitor with metal plates that each 2
have an area of 1.00 m , separated by 1.00 mm?. How much charge is stored in this
capacitor if a voltage of 3.00 x 103 V is applied to it?
A 250.0 mL of a 0.500 M HCl solution needs to be made from concentrated HCl. How much water would you add to make the final solution?