Discover Questions

One number is 2 more than 2 times another. their product is 12. find the numbers? How many molecules of c2h6 are present in 2.8 dm3 of c2h6 at STP? What are the principle behind measuring and laying out using tape too long and too short? If x-1, x+2, and x+4 are factors of a polynomial p(x), which of the following must be equal to 0?
A) p(-2)
B) p(-1)
C) p(2)
D) p(4)? What is the normality of an acid if 21.18 mL were needed to titrate 0.1369 g Na2CO3?