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.
- Predict the product of: Zn+CuCl_(2)arrow no reaction ZnCu+Cl_(2) ZnCl_(2)+Cu
- The formula of magnesium chloride is MgCl_(2) The relative formula mass of magnesium chloride is 95. The relative atomic mass of magnesium is 24. (i) Use the equation to calculate the percentage mass of magnesium in magnesium chloride. Percentage mass of magnesium=(frac (mass of magnesium)/(mass of magnestum chloride)times 100% )(100% ) Percentage mass of magnesium in magnesium chlaride=underline ( )%
- Use the information in this table to answer questions about hydroxides and oxides. Name of chemical & Can it neutralise an acid? & Does it dissolve in water? Sodium hydroxide & Yes & Yes Copper oxide & Yes & No Calcium hydroxide & Yes & Yes Silicon dioxide & No & No a) Which of the substances are alkalis? Select all correct answers Sodium hydroxide Copper oxide Calcium hydroxide Silicon diox b) Which of the substances are bases? Select all correct answers Sodium hydroxide Copper oxide Calcium hydroxide Silicon diox
- 6 Carbon C 12.011 Based on the diagram how many protons would a carbon atom have? A. 1 B. 3 C. 6 D. 12 E. 12.011
- 4 What mass of sodium fluoride is formed when 2.30 g of sodium reacts with 2.85 g of fluorine?