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does anyone know where we can get a copy of the paper?

Hey there! Does anyone know where to find any 2017 chem Trial papers? Thanks

Is proof by contradiction an okay to show an inequality statement is true? Or should you try other ways first?

Quick questions guys. Say for ancient history in section II i need more paper and I get another booklet, and then i also need more paper for Scetion III, would i use the same extra booklet as before or do you have to get a new one?

school rank in 2016: 397 ancient: rank 1/5 with an average mark of 90% 3u maths: rank 1/8. average mark: 76% 4u maths: rank 1/2 average mark: 74% chemistry: rank 1/20. average mark: 73% advanced English: 1/20ish. average mark: 88%

if I have 25 ml of 1.0 M NaOH, and I add 225ml of distilled water to that, does that mean I now have a 250 ml of 0.1M solution NaOH?

hey guys, so I have a titration prac this week and the only thing we got told it was on was that it would be cordial. from this, I'm assuming that it would be citric acid. So when i'm setting it up, do i rinse the concial flask and pipette with distilled water or with the acid solution...

Sand is poured into a pile in the shape of a right circular cone whose height is always equal to the radius of the base, at a constant rate of 4 cubic centimeters per minute. When the pile is 10cm high, how fast is: i ) the height increasing ii) the area of the base increasing

the answer is 210. sorry for the late reply

Nine persons gather to play football by forming two teams of four to play each other, the remaining person acts as referee. if 2 particular people are not to be in the same team, how many ways are there to choose the teams?

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the length and breadth of the base of a rectangular pyramid are a and b units respectively. its height is h units. use the methods of slicing to find its volume

1. in the expansion of (2 +3x)^n, the coefficients of x^3 and x^4 are in the ratio 8:15. Find n 2. in the expansion of (x+a)^3(x+b)^5, the coefficients of x^7 and x^6 are 9 and 12 respectively. Find the values of a and b.

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ahh yeah sorry, it does say theta

A and B take turns at throwing two dice, and a prize is won by the first player to throw a total of 8. A throws first. i) What is the probability that A wins on his second throw? ii) Show that the probability that A wins the prize is 36/67

so i have two tangents, and I have to find the point of intersection but i cant get anywhere when i do it tangents: y(3cosx)-x(2sinx)=6 and y(3sinx) +x(2cosx)=6

1. At what angle should a particle be projected with a velocity of 50m/s to pass through a point 22.5m horizontally from and 11.25m vertically above the point of projection. Find the angle of projection and the speed of projection. 2. a stone is projected from a cliff with a speed of 30 m/s...

That's just what the question says, so I'm not sure tbh. the book has the answer as velocity = the square root of k(6400-x)/3200x