Nadz
This page lists questions and answers that were posted by visitors named Nadz.
Questions
The following questions were asked by visitors named Nadz.
Phosphorus pentachloride, PCl5, reacts with water to form phosphoric acid, H3PO4, and hydrochloric acid, HCl. PCl5(s) + 4H2O() → H3PO4(aq) + 5HCl(aq) (a) What mass of PCl5 is needed to react with an excess quantity of H2O to produce 23.5 g of H3PO4? (b)...
11 years ago
A motorist drives at a constant speed of X km/h for 40k and then increases the speed by 20km/h to travel the next 250km. If the whole journey takes 3 hours,calculate X.
9 years ago
Answers
The following answers were posted by visitors named Nadz.