30 ml KMnO4 solution is required to titrate 25 ml M/50 oxalic acid solution.find the molarity of KMnO4 solution and g/L also.
Each day, a lion in South Africa spends 1/6 of the day watching gnus and 1/4 hours chasing gnus. Then the lion takes 4 times as much time consuming the gnus as chasing the gnus. What is the number of minutes that a lion spends a day watching, chasing and consuming gnus?
Old McDonald has cows and chickens on his farm. If the animals on his farm have a total of 197 heads and 634 legs, how many cows does Old McDonald have? Note: A cow has 1 head and 4 legs. A chicken has 1 head and 2 legs.
Three environmental health hazards that cause ill health
what value of k makes the given expression a perfect square?M square -8m+k
find the 8th term of an A.P -3,-1,1
Explain how to find 14 x 19 by breaking apart the factors in tens and ones and finding the sum of the four parts
Draw the graph of the following function on the given interval. [4 marks] y=1.8cos(2x+〖30〗^o ) -〖180〗^o≤x<〖180〗^o 4. Draw the graph of the following function on the given interval. [4 marks] y=1.8cos(2x+〖...
2. A propeller on a gas turbine rotates 64° every 2.70 minutes. What is the angular velocity in rev/s? What is the linear speed of a point at the tip of the blade if the diameter of the blade is 5.37 ft?
1. Find the area of a segment of height 22.1 inches in a circle of radius 6.42 ft. Draw a rough sketch of a circle showing the height and radius. Consider significant digits.