Ask a New Question
Search
Questions and answers by
Joseph Kulame
Questions (37)
Why are lithium ion batteries preferred for portable electronics
1 answer
8 views
What is the role of anode in a battery
1 answer
6 views
A bag contains 3 blue 5 red 4 green and 2 white balls. Find the chance of drawing at random one ball without replacement which
1 answer
10 views
A data set has 300 values. What is the number of values between the first and third quartile
1 answer
8 views
Bauxite is an important ore for the metal aluminium. After water is removed only Al2O3 is obtained. Al2O3 is used in
1 answer
17 views
Bauxite is an important ore for the metal aluminium. After water is resolved only Al2O3 is obtained. Al2O3 is used in
1 answer
19 views
A dilute solution of sodium chloride is electrolyzed using graphite electrodes.Write half equations for the reactions as the
1 answer
14 views
Metal key
1 answer
15 views
In order to electroplate a metal key with copper, what can be connected as a cathode and anode in the electrolytic cell?
1 answer
12 views
In order to electroplate a metal key with a copper what should be connected as the cathode in the electrolytic cell?
1 answer
14 views
What is the anode product of aqueous copper ll sulphate solution?
1 answer
6 views
What is the cathode product of molten sodium chloride?
1 answer
9 views
What is the cathode product of dilute aqueous sodium chloride solution?
1 answer
11 views
What is the anode product ofconcentrated aqueous sodium chloride solution?
1 answer
11 views
What does aqueous copper (ll) sulphate solution gives as product?
1 answer
6 views
In a fume cupboard molten lead(ll) bromide is electrolyzed using graphite.Write half equations (states are required) for the
1 answer
12 views
In a fume cupboard molten lead (ll) bromide is electrolyzed using graphite electrodes.
Write half equations for the reactions at
1 answer
14 views
Prove that sin+sin 90=cosine
1 answer
29 views
What is the exact value for cosec330 Degrees
1 answer
20 views
What is the table of value for the function y=4cos3x+7
1 answer
27 views
Draw the graph of the function y=3x+7
1 answer
25 views
Write cos(237) as positive or negative sine , cosine or tangent of an acute angle
1 answer
45 views
Write sin(342) as positive or negative sine , cosine, or tangent of an acute angle
1 answer
41 views
Evaluate sin 300 degrees and leaving the answer in surd
1 answer
32 views
Convert 8*3.14/3 into degrees
1 answer
29 views
Convert 300 degrees into radian measure
1 answer
31 views
A rock is thrown 28 degrees above the horizontal with an initial velocity of of at 8 meters per second off a 50m high cliff.
1 answer
41 views
A motorbike is driven off a cliff at a horizontal velocity of 25 meters per second and takes 5 seconds to reach the ground
1 answer
24 views
A golf ball is thrown horizontally off a cliff at a velocity of 20 meters per second and takes 4 seconds to reach the ground
1 answer
30 views
A golf ball is thrown horizontally off a cliff at a velocity of 20 meters per second and takes 4 seconds to reach the ground
1 answer
35 views
A golf ball is thrown horizontally off a cliff at a velocity of 20 meters per second and takes 4 seconds to reach the ground
1 answer
41 views
A man at A observes the angle of elevation of a balloon to be 30 degrees. He then walks 1000 meters towards the balloon to a
1 answer
48 views
An aircraft starts to fly from A to B a distance of 140 kilometres, B being due north of A. The aircraft flies on a course 18
1 answer
37 views
A man at A observes the angle of elevation of a balloon to be 30 degrees.He then walks 1000 meters towards the balloon to a
1 answer
55 views
A man at A observes the angle of elevation of a balloon to be 30 degrees . He then walks 1000 meters towards the balloon to a
1 answer
34 views
An aircraft starts to fly from A to B a distance of 140 kilometres, B being due north of A. The aircraft flies on a course 18
1 answer
40 views
A ship sails on a course bearing 036 degrees is 5500meters due south of a lighthouse.If the ship continues in this course, what
1 answer
77 views
