Blog

The dH for the solution process when solid sodium hydroxide dissolves in water is -44.4 kJ/mol. When a13.9 g sample of NaOH dissolves in 250.0 g of water in a coffee-cup calorimeter, the temperature increasesfrom 23.0oC to ________eC. Assume that the solution has the same specific heat as liquid water, i.e., 4.18 J/g-K.

_____ is the failure to act as another reasonable, prudent professional would have acted in a similar circumstance.

1.4 The San men chewed Hoodia while hunting because …… (1)

QUESTION 4: File-upload question   Draw a picture of your own rock art showing any of the everyday duties of the San people.  *Hint – Remember what the men and women’s responsibilities were and pick one to draw. Your rock art drawing needs to resemble the technique and colours that were used back then. Scan or take a picture of your drawing, save it as a PDF and upload it in the space provided below. (3)

2.3 Who had the least cattle in the village? (1)

Extra File-upload If there is anything you would like to upload, please do so here

QUESTION 2: Contextual question Look at the picture and answer all the following questions in full sentences Click on the button below to open the text for this question (Section B Question 2). The image will open in a new Internet tab DO NOT close THIS tab with your quiz on it, and carefully navigate between this tab and the tab with the image on it.  

8.2 Early African farmers spoke Portuguese. (1)

In the late 19th century, ____________________ solution was created and used to prevent gonococcal infections in a newborn’s eyes after exposure to the mother’s infected birth canal.

8.1 A Sangoma is a healer (1)