What mass of zinc reacting with hydrochloric acid will provide 1.0g of hydrogen gas? Write a balanced equation first, then use stoichiometry.

Q: lead metal is dropped into an Erlenmeyer flask containing a solution of magnesium nitrite  a)…

A: A chemical equation is written in the symbolic form of the compound involved in a chemical reaction.…

Q: What is the oxidation number of H in NaH?

A: Given :-  Chemical formula = NaH  To determine :-  Oxidation number of H in NaH

Q: What happens if emitted sulfur dioxide is oxidized to sulfur trioxide? Explain in detail.

A: If emitted sulfur dioxide is oxidized to sulfur trioxide what will happen has to be explained.

Q: what happens when lead sulphide is heated in the presence of air?

A: When lead sulphide is heated in presence of air i.e in presence of oxygen, it produces lead oxide…

Q: How many grams of nitrogen are required to fully react with 2.79 g of hydrogen to produce ammonia?

A: Given,Hydrogen = 2.79 gMolar mass of ammonia = 17.031 g/molMolar mass of hydrogen = 1.007 g/molMolar…

Q: provide the correct balanced equation to represent the reaction described. Aluminium bromide…

A: Given -> Reagents are -> Aluminium bromide= AlBr3 Chlorine gas = Cl2

Q: What is the oxidation number of the sulfur atom in potassium sulfite?

A: Chemical formula of Potassium sulfite is K2SO3. The oxidation numbers of potassium (K) and oxygen…

Q: draw the structures of nitrous oxide and nitric oxide.

A: The structure of nitrous oxide is drawn as,

Q: A sample of 70.5 mg of potassium phosphate is added to 15.0 mL of 0.050 M silver nitrate, resulting…

A: The molecular equation for the reaction between potassium phosphate and silver nitrate is to be…

Q: Write a chemical equation representing the decompositionof water into two gaseous products. What…

A: The chemical equation for the decomposition of water has to be given and the products has to be…

Q: phosphoric acid reacts

A: 3Cu + 2H3PO4>>>>Cu3(PO4)2 + 3H2

Q: Why does hydrogen not exhibit an oxidation state of 1− when bonded to nonmetals?

A: The long form of the periodic table is a tabular arrangement of all known elements. Here the…

Q: How many moles of hydrogen gas would be produced for every moleof magnesium added into the HCl…

A: When a reaction takes place, it is represented by writing a chemical equation. The number of…

Q: Write a balanced equations for the following redox processes; a. When sodium sulfite is added to an…

A: Balanced chemical reaction is the reaction in which all the elements are balanced in reactant or…

Q: How many moles of oxygen are needed to react with 160 gg of hydrazine?

A: Hydrazene is N2H4  and oxygen is O2  There is single replacemet reaction possible  N2H4 + O2 = N2 +…

Q: What is the net ionic equation for whenever sodium sulfide reacts with lead (II) acetate??

A: Lead(II) Acetate reacts with Sodium Sulfide to give a precipitate of Lead (II) sulfide and an…

Q: Explain how fossil fuels, which are made of carbon and hydrogen, contain sulfur compounds.

A: Solution : Fossil fuels are found in the Earth's crust and contain carbon and hydrogen…

Q: Nitric acid and phosphoric acid are two major chemical products of the chemical industry. Describe…

A: The phosphoric and nitric acids are two major chemical products. There uses are shown as follows,

Q: Using the following balanced equation, determine how many moles of hydrogen gas should be produced…

A: Magnesium is strong alkali metal when it reacts with any acid reaction is vigorously flammable…

Q: to produce gaseon

A:

Q: balanced equation for the reaction. if any, at standard condition of cadmium with hydrochloric acid.

A: Cadmium reacts with hydrochloric acid forming CdCl2.

Q: D. The oxidation of a phosphine to phosphorous pentoxide is given by the chemical equation: PH, + 0,…

A:

Q: How many ammonia molecules must react to produce 1.25 kg of ammonium sulfate?

A: The formation of ammonium sulfate will take place when 2 moles of ammonia will react with 1 mole of…

Q: Why do boiling potatoes react to hydrogen peroxide whereas raw potatoes do not?

A: It is an experiment that is performed in the lab.

Q: (a) Heavy fuel oils may contain sulphur and vanadium as impunties. Write a balanced chemical…

A: (a)  1) Combustion of Sulphur to produce Sulphur dioxide : 2) Oxidation of Sulphur dioxide to…

Q: Calculate the volume of CO2  released from heating and decomposing 88 g of sodium bicarbonate.…

A: The general reaction on decomposition of sodium bicarbonate is as follows,

Q: What physical evidence indicates the formation of water during a chemical reaction?

A: The following physical evidence of the formation of water during a chemical reaction is -

Q: What is a hazard of concentrated sulfuric acid?

A: Concentrated sulphuric acid contains more amount of H2SO4 and it is extremely difficult to handle…

Q: What volume of hydrogen (STP) is produced by dissolving 1.1 moles of aluminum in sulfuric acid? 2…

A: Ans is 40.36L

Q: What is the use of evaporating the solution with concentrated sulfuric acid?

A: Evaporation is process by which substance convert from its liquid state to its gaseous state.

Q: why oxygen exists as gas and sulphur exists as solids?

A: Oxygen and sulphur both belong to same group that is group 16. The size of atoms increases going…

Q: How many miles of zinc are required to react with four moles of iodine?

A: zinc metal reacts with iodide to form the zinc iodide. The oxidation state of zinc is +2 hence the…

Q: how many grams of calcium phosphate can be produced from the reaction of 3.0 L of 0.230 M calcium…

A: Moles of CaCl2 = molarity x volume of solution                          = 0.230 x 3.0…

Q: Name two poisonous gases which can be prepared from chlorine gas.

A: The names of two poisonous gases which can be prepared from chlorine gas are phosgene gas and…

Q: Carbon reacts with steam,H2O at high temperatures to produce hydrogen and carbon monoxide

A: C + H2O ----> CO + H2 this reaction occurs at the high temperature that further helps in…

Q: What volume of hydrogen (STP) is produced by dissolving 1.2 moles of aluminum in sulfuric acid? 2…

A: The given reaction is expressed as, 2Als+3H2SO4→Al2SO43+3H2......(1) The number of moles of aluminum…

Q: How many moles of oxygen are needed to react with 165 g of hydrazine?

A: As we know that the one mole of hydrazine reacts with the 3 moles of oxygen that is 1 N2H4(l) + 3…

Q: What is the ratio between the amount of hydrogen and the amount of oxygen released during…

A: The process of decomposition of ionic compounds into their elements through the passage of electric…

Q: hy do oxides of phosphorus and sulfur have varied oxidation number?

A: The oxidation state of an element is the representation of the charge acquired by that element after…

Q: What is the oxidation number of nitrogen in hydrazine, N2H4?

A:

Q: Give an example of oxygen use in industry and medicine.

A: Oxygen is the most versatile element early in 1800 it was only a source for respiration in living…

Q: What are the uses of chlorine is it used as refrigerant or explosives, what are the uses?

A: It is used to disinfect water and is part of the sanitation process for sewage and industrial waste.…

Q: . Write the balanced equation of the reaction between chlorine dioxide and water.

A:

Q: How many grams of oxygen are needed to react with 165 g of hydrazine?

A: Given  mass of hydrazine = 165 g    Required data -  molar mass of hydrazine = 32.05 g/mol  molar…