21 Answered Questions for the topic Reactions
what is the Net Ionic Equation for Aqueous ammonium chloride and aqueous lead (II) nitrate react to form solid lead (II) chloride and aqueous ammonium nitrate.
This chemical reaction is a two-step reaction. What type of reaction occurs in each step? How did you determine your answer?
The products of step 1 are sodium acetate and carbonic acid. Step 2, which occurs immediately after step 1, produces carbon dioxide and water.The balanced chemical equations are:NaHCO3(s)... more
What are some ways that companies are speeding up reactions?
I know that there could increase concentration/pressure and increase the temperature. But the question was asking for examples of ways companies speed up reactions, so I'm guessing real life examples. more
Predict the products, balance, and write the FULL and NET ionic equations when given the reaction equation: Na₂CO₃ (aq) + Al(NO₃)₃ (aq) ->
Balance the equation and write the FULL and NET ionic equations when given the reaction equation: HCl (aq) + Sr(OH)₂ (aq) -> SrCl₂ (aq) + H₂O (l)
I need to balance an equation between two molecules.
I need to write out and fully balance a complete combustion reaction between these two molecules.
What volume of each acid will react completely with 60.0 mL of 0.125 M Potassium Hydroxide?a.) .150 M Nitric Acidb.) .200 M Phosphoric Acid
A coffee cup has a heat capacity of 62.6J∘C. If the coffee cup's temperature increases by 1.20∘C, how much heat has it absorbed?
Round your answer to the nearest tenth.
Butane and propane a total of 3 litres on combustion produces 10 litres of CO2.what is the ratio of butane and propane
aqueous potassium chloride will react with which of the following?
aqueous potassium chloride will react with which of the following? A. calcium nitrate B. sodium bromide C.lead nitrate D.barium nitrate E. sodium chloride I know the answer is lead nitrate... more
Aspirin Synthesis Lab - What chemicals are present in each step?
Aspirin is prepared from salicylic acid via an esterification reaction, which involves forming an ester (ASA) from an alcohol (salicylic acid) and carboxylic acid derivative (acetic anhydride), in... more
How many mL of 0.15 M magnesium chloride are required to completely precipitate the silver ion in 25.0 mL of .25 M silver nitrate?
Consider the reaction between aqueous magnesium chloride and aqueous silver nitrate. How many mL of 0.15 M magnesium chloride are required to completely precipitate the silver ion in 25.0 mL of .25... more
In the explosion of a hydrogen-filled balloon, 0.46 g of hydrogen reacted with 4.1 g of oxygen to form how many grams of water vapor? (Water vapor is the only product.)
Why doesn't NaCl and HCl have the same effect on an equilibrium reaction
Recently in my AP Chem class we did a simple reaction demonstrating equilibrium: [Co(H2O)6]2+(aq)(pink) + 4Cl-(aq) <--> [CoCl4]2-(aq)(blue) + 6H2O(l) (in an ethanol solution). The reaction... more
General Chemistry Reactant question
I have no idea how to do the following problem... "If you wish to prepare 2.00 g of BaSO4 (233.43 g/mol) from 1.5 M Na2SO4 (142.04 g/mol) and 1.0 M BaCl2 (208.23 g/mol) how many milliliters... more
finding final temperature from the heat of a reaction.
1.20 grams of Mg is burned producing MgO. The heat from the reaction is used to warm 500 grams water at 5 degrees Celsius. Find the final temperature of the water.
Reversible reaction problem
1) What would happen to the amount of products formed in the following equilibrium in the following circumstances (explain your answers)? The forward reaction is endothermic. CH4(g) + H2O(g) ?... more
The molar mass of salicylic acid (SA) is 138.12 g/mol. How many theoretical mols are there in the 4.02 g of the SA reactant the student started the reaction wit
The molar mass of salicylic acid (SA) is 138.12 g/mol. How many theoretical mols are there in the 4.02 g of the SA reactant the student started the reaction with?
Gas Laws and stoichiometry
Assume that 18.4 g of Al react with HCl according to the equation Al(s) + HCl(aq) −→ AlCl3(aq) + H2(g) at STP. How many moles of Al react? Remember to balance the equation first. Answer in units of... more
1.) Elemental phosphorus reacts with chlorine gas according to the equation: P4(s)+6Cl2(g)→4PCl3(l) A reaction mixture initially contains 45.09g P4 and 131.1g Cl2. Once the reaction has... more
Where does the mass to energy conversion take place?
As I understand, the nuclear bomb "little boy" detonated over Hiroshima converted about the mass of a paper clip into energy during the explosion. Now, as far as I understand what was going on,... more