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.
- Select the correct answer. Sodium phosphate and calcium chloride react to form sodium chloride and calcium phosphate. If you have 379.4 grams of calcium chloride and an excess of sodium phosphate, how much calcium phosphate can you make?Use the periodic table and the polyatomic ion resource. A. 353.59 B. 379.49 402.29 D. 863.49 E. 1,060 g
- Q4. Which element has a first ionisation energy lower than that of sulfur? A Chlorine B Oxygen C Phosphorus D Selenium
- Nitrogen atoms have 5 electrons in their outer shell. What type of bond forms between 2 nitrogen atoms? Single covalent bond Triple covalent bond Double covalent bond
- (a) The mixture of chemicals contains sodium azide (NaN_(3)) which decomposes on heating to form sodium and nitrogen. 2NaN_(2)arrow 2Na+3N_(2) A typical air bag contains 130 g of sodium azide. (i) Calculate the mass of nitrogen that would be produced when 130 g of sodium azide decomposes. Relative atomic masses (A_(i)):N=14;Na=23 __ Mass of nitrogen=
- Net dipole moment of CH_(2)Cl_(2) No net polarity