1) Give the balanced chemical equation that shows reactions between Aluminum sulfide reacts with water to...
8. Balanced chemical equation for the formation of copper sulfide from copper and sulfur QUESTIONS 1. Can you determine the molecular formula of a substance from its percent composition? 2. Given that zinc chloride has a formula weight of 136.28 amu, what is its formula? 3. Can you determine the atomic weights of zine or copper by the methods used in this experiment? If so, how? What additional information is necessary to do this? 4. How many grams of zinc...
Write a balanced chemical equation for each of the following reactions: 1. Hydrogen + chlorine hydrogen chloride 2. Hydrogen + nitrogen — ammonia 3. Carbon + steam → carbon monoxide + hydrogen 4. Calcium oxide + water calcium hydroxide 5. Phosphorus + oxygen → diphosphorus pentoxide 6. Aluminum sulfate + calcium hydroxide → aluminum hydroxide + calcium sulfate 7. Aluminum + oxygen aluminum oxide 8. Sodium peroxide + water sodium hydroxide + oxygen 9. Copper + concentrated sulfuric acid →...
CHIOMETRY: CHEMICAL REACTION CALCUATIONS: merical relationship among the reactants and products in a balanced equation (Chemic- For example: Two magnesium atoms (a solid) when ignited, reacts with oxygen atoms to form eaction) The Balanced equation A balanced equation shows a chemical reaction in shorthand: magnesium oxide The meaning of a balanced Chemical Equation: A bookkeeping system The balanced equation- mole to mole ratios These mole to mole ratios are exact numbers. II. The Stoichiometric Pathway: # of particles of Known...
Chromium(III) oxide reacts with hydrogen sulfide (H2S) gas to form chromium(III) sulfide and water: Cr2O3(s) + 3H2S(g) → Cr2S3(s) + 3H2O(l) To produce 63.7 g of Cr2S3,(a) how many moles of Cr2O3 are required? and (b) how many grams of Cr2O3 are required?
Show your work. Use the correct number of significant figures in your answers. Aluminum metal reacts with chlorine gas to form solid aluminum chloride. 1. Write the balanced equation including states of matter. 2. If 70.0 grams of aluminum reacts with excess chlorine gas, how many grams of aluminum chloride will form? 3. How many grams of chlorine will react completely with 85.6g of aluminum? Sodium hydroxide reacts with sulfuric acid to produce water and sodium sulfate. 4. Write the...
4. How many grams of zinc chloride could be formed from the reaction of 3.57 g of zinc with excess HCl? 5. Aluminum sulfide reacts with water to form aluminum hydroxide and hydrogen sulfide. (a) Write a balanced equation for this reaction. (b) How many grams of aluminum hydroxide can be obtained from 5.50 g of aluminum sulfide?
When solid lead(II) sulfide reacts with oxygen gas, the products are solid lead(II) oxide and sulfur dioxide gas. A. Write the balanced equation for the reaction. Express your answer as a chemical equation. Identify all of the phases in your answer. B. How many grams of oxygen are required to react with 25.3 g of lead(II) sulfide? C. How many grams of sulfur dioxide can be produced when 56.8 g of lead(II) sulfide reacts? D. How many grams of lead(II)...
If 8.23 moles of oxygen reacts with excess phosphorus according to the balanced chemical equation below, how many grams of P2Os will be produced? 4P + 502 --> 2P205
6. Write a balanced equation describing each of the following chemical reactions. (a) Solid potassium chlorate, KClO3, decomposes to form solid potassium chloride and diatomic oxygen gas. (b) Solid aluminum metal reacts with solid diatomic iodine to form solid Al2I6. (c) When solid sodium chloride is added to aqueous sulfuric acid, hydrogen chloride gas and aqueous sodium sulfate are produced. (d) Aqueous solutions of phosphoric acid and potassium hydroxide react to produce aqueous potassium dihydrogen phosphate and liquid water.
Write a balanced equation for each reaction. Combination 1. Iron reacts with oxygen to form iron (II) oxide. 2. Nitrogen reacts with hydrogen to form ammonia. 3. Phosphorus reacts with bromine to produce phosphorus tribromid 4. Barium oxide reacts with water to form barium hydroxide.