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how can the mixture of iron fillings and sulphur be separated?

the sum of the length and width of a rectangle is more than 20 units. the length is 5 units more than twice the width,x.

9/z^5w^2-8/zw^7 simplify

in a class 2fifthy were girls, 27 were boys, how many girls were there

in a class 7, 2 fifthy were girls . boys were 27. how many boys were there

write a balanced equation to show the reaction that occurs when: a) carbon react with bromine b) germanium react with fluorine c) tin with oxygen d) lead with hot concentrated hydrochloric acid. e) silicon react with steam

A 1150 Kg wrecking ball is released from a height 13.0 meters above its resting point and hits a wall at the lowest point of its swing. If the ball makes a .5 meter indentation in the wall, what is the average force the ball applies to the wall? (Hint - A...

a square piece of metal 18cm in each side n made a box without a top,by cutting a square from each corner folding up d flaps to form d side.what size corner should b cut in order volume of d box as large as possible?

Discuss the impacts of the following environmental harzad

need help to solve them

A copper calorimeter of mass 150g,was heated filled with water of mass 300g at temperature 0 degree celsius,5g of ice at 0 degree was added to the content,later some quantity of steam was passed into the mixture and the temperature rose by 20 degree celsi...

Solution for: A copper calorimeter of mass 150g was half filled with water of mass 300g and temperature 0^C. 5g of ice at 0^C was added to the content, later some steam was passed into the mixture and the temperature rose by 20^C. Calculate the quantity o...