Chemistry Homework Assistance
QuestionAI's chemistry problem solver is a middle school chemistry tutoring tool that summarises key chemical reactions and equations in real-time, featuring a robust learning system to empower even those with a weak foundation in chemistry.
You needn't fret over the elemental properties of the periodic table anymore. Here, you can effortlessly access chemical reactions and reaction principles corresponding to each element. Deductive reasoning from microscopic phenomena to discern the original structure of molecules and atoms is a research technique we staunchly champion.
- A container is filled with mathrm(H)_(2) , and mathrm(H)_(2) mathrm(O) . Calculate the partial pressure of mathrm(H)_(2) when the pressure of water is 17torr. The tot pressure of the gases is 750 torr. 42.86torr 733torr 767.5torr
- Chlorine is used to sterilise water. The reaction between chlorine and water is reversible. Complete the sentence. Equilibrium is reached when the forward and reverse reactions occur at the same __
- 6 Hydrogen gas is a product of cracking. What is used in the test for hydrogen gas? Tick (surd ) one box. Burning splint square Glowing splint square Limewater square
- The hydrocarbons in crude oil are separated into fractions using fractional distillation. Complete the sentences. Choose answers from the box [2 marks] condense evaporate freeze melt In fractional distillation the crude oil is heated so the hydrocarbons __ The fractions collect as the hydrocarbons cool and __ Question 1 continues on the next page
- (c) The product sodium chloride is dissolved in water to separate it from titanium. At 30^circ C the solubility of sodium chloride is 36 kg per 100dm^3 Calculate the minimum volume of water in dm^3 at 30^circ C needed to dissolve 1989 kg sodium chloride. __ Volume of water =underline ( )dm^3