Describing
Experiments
and
A Simple Distillation Experiment
Figure 10.1 shows the apparatus for the
separation of solution of water and ethanol. The equipment needed for the experiment consists of the following: a bunsen burner, a florence flask, a thermometer, a condensor and a beaker.
First, set up the experiment as in Figure 10.1.
Place a solution of 30cc water and 20cc ethanol in the florence flask. Heat the solution.
When ethanol begins to evaporate, note the
temperature. Collect the distilled ethanol in the beaker. Continue the process untill all the
Pola 1. 1. Set up the equipment. 2. Weight the samples.
(Biasanya digunakan dalam pembuatan buku praktikum (laboratory manual)
Pola 2. 1. The equipment is set up. 2. The samples are weighed.
Lengkapi deskripsi berikut berdasarkan proses Distillation di atas. Gunakan bentuk pasif dari kata kerja.
First, the experiment ………. as in …….... Then, the ethanol/water solution ……… flask, and ……… heated. When the
ethanol has begun to ……….., the temperature………. The distilled
ethanol………, and the process…….. ……….. all the ethanol has
How the Volume of an Irregular Solid is Measured
To determine the density of a solid,
1.Obtain two or three pieces of the solid. 2.Weight the pieces.
3.Partly fill a graduated cylinder with water, and note the water level.
4.Place the pieces in the graduated cylinder.
6. Calculate the volume of water displaced by the solid.
Buatlah deskripsi tentang percobaan di atas.
1.Two or three pieces ………. 2.………weighed.
3.A graduated cylinder is partly ………. ……. Is ………
Beberapa Contoh:
(1). After the solid is weighed, it is placed in the graduated cylinder.
= After the solid has been weighed, it is placed in the graduated cylinder.
(2). When the pieces are weighed, they are placed in the graduated cylinder. = When the pieces have been
HUBUNGAN ANTAR KALMAT: RESULT
Sulphuric acid (H2SO4) is powerful and
cheap.
As a result, Therefore,
Consequently, So,
HUBUNGAN ANTAR KALMAT: CAUSE
Sulphuric acid (H2SO4) is commondly
used in many industries.
BECAUSE, AS,
SINCE,
1. The leaves develop in the dark, as a result, they are yellow.
= The leaves are yellow because they
are developed in the dark. 2. The demand has increase,
as a result, so,
therefore,
as a consequence, consequently,
thus,
2. The demand has increase, as a result, the prices are higher.
= The prices are higher
since/because the demand has
